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Chest reconstruction surgeries up nearly fourfold among adolescents
The number of chest reconstruction surgeries performed for adolescents rose nearly fourfold between 2016 and 2019, researchers report in a study published in JAMA Pediatrics.
“To our knowledge, this study is the largest investigation to date of gender-affirming chest reconstruction in a pediatric population. The results demonstrate substantial increases in gender-affirming chest reconstruction for adolescents,” the authors report.
The researchers, from Vanderbilt University School of Medicine, Nashville, Tenn., used the Nationwide Ambulatory Surgery Sample to identify youth with gender dysphoria who underwent top surgery to remove, or, in rare cases, to add breasts.
The authors identified 829 chest surgeries. They adjusted the number to a weighted figure of 1,130 patients who underwent chest reconstruction during the study period. Of those, 98.6% underwent masculinizing surgery to remove breasts, and 1.4% underwent feminizing surgery. Roughly 100 individuals received gender-affirming chest surgeries in 2016. In 2019, the number had risen to 489 – a 389% increase, the authors reported.
Approximately 44% of the patients in the study were aged 17 years at the time of surgery, while 5.5% were younger than 14.
Around 78% of the individuals who underwent chest surgeries in 2019 were White, 2.7% were Black, 12.2% were Hispanic, and 2.5% were Asian or Pacific Islander. Half of the patients who underwent surgery had a household income of $82,000 or more, according to the researchers.
“Most transgender adolescents had either public or private health insurance coverage for these procedures, contrasting with the predominance of self-payers reported in earlier studies on transgender adults,” write the researchers, citing a 2018 study of trends in transgender surgery.
Masculinizing chest reconstruction, such as mastectomy, and feminizing chest reconstruction, such as augmentation mammaplasty, can be performed as outpatient procedures or as ambulatory surgeries, according to another study .
The study was supported by a grant from the National Center for Advancing Translational Sciences Clinical and Translational Science Awards Program. One author has reported receiving grant funding from Merck.
A version of this article first appeared on Medscape.com.
The number of chest reconstruction surgeries performed for adolescents rose nearly fourfold between 2016 and 2019, researchers report in a study published in JAMA Pediatrics.
“To our knowledge, this study is the largest investigation to date of gender-affirming chest reconstruction in a pediatric population. The results demonstrate substantial increases in gender-affirming chest reconstruction for adolescents,” the authors report.
The researchers, from Vanderbilt University School of Medicine, Nashville, Tenn., used the Nationwide Ambulatory Surgery Sample to identify youth with gender dysphoria who underwent top surgery to remove, or, in rare cases, to add breasts.
The authors identified 829 chest surgeries. They adjusted the number to a weighted figure of 1,130 patients who underwent chest reconstruction during the study period. Of those, 98.6% underwent masculinizing surgery to remove breasts, and 1.4% underwent feminizing surgery. Roughly 100 individuals received gender-affirming chest surgeries in 2016. In 2019, the number had risen to 489 – a 389% increase, the authors reported.
Approximately 44% of the patients in the study were aged 17 years at the time of surgery, while 5.5% were younger than 14.
Around 78% of the individuals who underwent chest surgeries in 2019 were White, 2.7% were Black, 12.2% were Hispanic, and 2.5% were Asian or Pacific Islander. Half of the patients who underwent surgery had a household income of $82,000 or more, according to the researchers.
“Most transgender adolescents had either public or private health insurance coverage for these procedures, contrasting with the predominance of self-payers reported in earlier studies on transgender adults,” write the researchers, citing a 2018 study of trends in transgender surgery.
Masculinizing chest reconstruction, such as mastectomy, and feminizing chest reconstruction, such as augmentation mammaplasty, can be performed as outpatient procedures or as ambulatory surgeries, according to another study .
The study was supported by a grant from the National Center for Advancing Translational Sciences Clinical and Translational Science Awards Program. One author has reported receiving grant funding from Merck.
A version of this article first appeared on Medscape.com.
The number of chest reconstruction surgeries performed for adolescents rose nearly fourfold between 2016 and 2019, researchers report in a study published in JAMA Pediatrics.
“To our knowledge, this study is the largest investigation to date of gender-affirming chest reconstruction in a pediatric population. The results demonstrate substantial increases in gender-affirming chest reconstruction for adolescents,” the authors report.
The researchers, from Vanderbilt University School of Medicine, Nashville, Tenn., used the Nationwide Ambulatory Surgery Sample to identify youth with gender dysphoria who underwent top surgery to remove, or, in rare cases, to add breasts.
The authors identified 829 chest surgeries. They adjusted the number to a weighted figure of 1,130 patients who underwent chest reconstruction during the study period. Of those, 98.6% underwent masculinizing surgery to remove breasts, and 1.4% underwent feminizing surgery. Roughly 100 individuals received gender-affirming chest surgeries in 2016. In 2019, the number had risen to 489 – a 389% increase, the authors reported.
Approximately 44% of the patients in the study were aged 17 years at the time of surgery, while 5.5% were younger than 14.
Around 78% of the individuals who underwent chest surgeries in 2019 were White, 2.7% were Black, 12.2% were Hispanic, and 2.5% were Asian or Pacific Islander. Half of the patients who underwent surgery had a household income of $82,000 or more, according to the researchers.
“Most transgender adolescents had either public or private health insurance coverage for these procedures, contrasting with the predominance of self-payers reported in earlier studies on transgender adults,” write the researchers, citing a 2018 study of trends in transgender surgery.
Masculinizing chest reconstruction, such as mastectomy, and feminizing chest reconstruction, such as augmentation mammaplasty, can be performed as outpatient procedures or as ambulatory surgeries, according to another study .
The study was supported by a grant from the National Center for Advancing Translational Sciences Clinical and Translational Science Awards Program. One author has reported receiving grant funding from Merck.
A version of this article first appeared on Medscape.com.
FROM JAMA PEDIATRICS
FDA OKs Medtronic lead for left bundle branch pacing
Labeling for a Medtronic pacing lead, already indicated for stimulation of the His bundle, has been expanded to include the left bundle branch (LBB), the company announced on Oct. 17.
The U.S. Food and Drug Administration previously expanded the Medtronic SelectSecure MRI SureScan Model 3830 lead’s approval in 2018 to include His-bundle pacing. “Now this cardiac lead is approved for pacing and sensing at the bundle of His or in the left bundle branch area as an alternative to apical pacing in the right ventricle in a single- or dual-chamber pacing system,” Medtronic states in a press release.
The Model 3830 lead was initially approved for atrial or right ventricular pacing and sensing, the announcement says, and now “has more than 20 years of proven performance and reliability.”
The newly expanded conduction system pacing indication is “based on evidence from multiple sources spanning more than 20,000 treated patients,” for which the company cited “Medtronic data on file.”
A version of this article first appeared on Medscape.com.
Labeling for a Medtronic pacing lead, already indicated for stimulation of the His bundle, has been expanded to include the left bundle branch (LBB), the company announced on Oct. 17.
The U.S. Food and Drug Administration previously expanded the Medtronic SelectSecure MRI SureScan Model 3830 lead’s approval in 2018 to include His-bundle pacing. “Now this cardiac lead is approved for pacing and sensing at the bundle of His or in the left bundle branch area as an alternative to apical pacing in the right ventricle in a single- or dual-chamber pacing system,” Medtronic states in a press release.
The Model 3830 lead was initially approved for atrial or right ventricular pacing and sensing, the announcement says, and now “has more than 20 years of proven performance and reliability.”
The newly expanded conduction system pacing indication is “based on evidence from multiple sources spanning more than 20,000 treated patients,” for which the company cited “Medtronic data on file.”
A version of this article first appeared on Medscape.com.
Labeling for a Medtronic pacing lead, already indicated for stimulation of the His bundle, has been expanded to include the left bundle branch (LBB), the company announced on Oct. 17.
The U.S. Food and Drug Administration previously expanded the Medtronic SelectSecure MRI SureScan Model 3830 lead’s approval in 2018 to include His-bundle pacing. “Now this cardiac lead is approved for pacing and sensing at the bundle of His or in the left bundle branch area as an alternative to apical pacing in the right ventricle in a single- or dual-chamber pacing system,” Medtronic states in a press release.
The Model 3830 lead was initially approved for atrial or right ventricular pacing and sensing, the announcement says, and now “has more than 20 years of proven performance and reliability.”
The newly expanded conduction system pacing indication is “based on evidence from multiple sources spanning more than 20,000 treated patients,” for which the company cited “Medtronic data on file.”
A version of this article first appeared on Medscape.com.
Nonblanching Rash on the Legs and Chest
The Diagnosis: Leukemia Cutis
Hematoxylin and eosin staining revealed an infiltration of monomorphic atypical myeloid cells with cleaved nuclei within the dermis, with a relatively uninvolved epidermis (Figure, A). The cells formed aggregates in single-file lines along dermal collagen bundles. Occasional Auer rods, which are crystal aggregates of the enzyme myeloperoxidase, a marker unique to cells of the myeloid lineage (Figure, B) were appreciated.
Immunohistochemical staining for myeloperoxidase was weakly positive; however, flow cytometric evaluation of the bone marrow aspirate revealed that approximately 20% of all CD45+ cells were myeloid blasts. These findings confirmed the diagnosis of recurrent acute myeloid leukemia (AML). The diagnosis of AML can be confirmed with a bone marrow biopsy demonstrating more than 20% of the total cells in blast form as well as evidence that the cells are of myeloid origin, which can be inferred by the presence of Auer rods, positive myeloperoxidase staining, or immunophenotyping. In our patient, the Auer rods, myeloperoxidase staining, and atypical myeloid cells on skin biopsy, in conjunction with the bone marrow biopsy results, confirmed leukemia cutis.
Leukemia cutis is the infiltration of neoplastic proliferating leukocytes in the epidermis, dermis, or subcutis from a primary or more commonly metastatic malignancy. Leukemic cutaneous involvement is seen in up to 13% of leukemia patients and most commonly is seen in monocytic or myelomonocytic forms of AML.1 It may present anywhere on the body but mostly is found on the back, trunk, and head. It also may have a predilection for areas with a history of trauma or inflammation. The lesions most often are firm, erythematous to violaceous papules and nodules, though leukemia cutis can present with hemorrhagic ulcers, purpura, or other cutaneous manifestations of concomitant thrombocytopenia such as petechiae and ecchymoses.2 Involvement of the lower extremities mimicking venous stasis dermatitis has been described.3,4
Treatment of leukemia cutis requires targeting the underlying leukemia2 under the guidance of hematology and oncology as well as the use of chemotherapeutic agents.5 The presence of leukemia cutis is a poor prognostic sign, and a discussion regarding goals of care often is appropriate. Our patient initially responded to FLAG (fludarabine, cytarabine, filgrastim) chemotherapy induction and consolidation, which was followed by midostaurin maintenance. However, she ultimately regressed, requiring decitabine and gilteritinib treatment, and died 9 months later from the course of the disease.
Although typically asymptomatic and presenting on the lower limbs, capillaritis (also known as the pigmented purpuric dermatoses) consists of a set of cutaneous conditions that often are chronic and relapsing in nature, as opposed to our patient’s subacute presentation. These benign conditions have several distinct morphologies; some are characterized by pigmented macules or pinpoint red-brown petechiae that most often are found on the legs but also are seen on the trunk and upper extremities.6 Of the various clinical presentations of capillaritis, our patient’s skin findings may be most consistent with pigmented purpuric lichenoid dermatitis of Gougerot and Blum, in which purpuric red-brown papules coalesce into plaques, though her lesions were not raised. The other pigmented purpuric dermatoses can present with cayenne pepper–colored petechiae, golden-brown macules, pruritic purpuric patches, or red-brown annular patches,6 which were not seen in our patient.
Venous stasis dermatitis also favors the lower extremities7; however, it classically includes the medial malleolus and often presents with scaling and hyperpigmentation from hemosiderin deposition.8 It often is associated with pruritus, as opposed to the nonpruritic nonpainful lesions in leukemia cutis. Other signs of venous insufficiency also may be appreciated, including edema or varicose veins,7 which were not evident in our patient.
Leukocytoclastic vasculitis, a small vessel vasculitis, also appears as palpable or macular purpura, which classically is asymptomatic and erupts on the shins approximately 1 week after an inciting exposure,9 such as medications, pathogens, or autoimmune diseases. One of the least distinctive vasculitides is polyarteritis nodosa, a form of medium vessel vasculitis, which presents most often with palpable purpura or painful nodules on the lower extremities and may be accompanied by livedo reticularis or digital necrosis.9 Acute leukemia may be accompanied by inflammatory paraneoplastic conditions including vasculitis, which is thought to be due to leukemic cells infiltrating and damaging blood vessels.10
Pretibial myxedema is closely associated with Graves disease and shares some features seen in the presentation of our patient’s leukemia cutis. It is asymptomatic, classically affects the pretibial regions, and most commonly affects older adults and women.11,12 Pretibial myxedema presents with thick indurated plaques rather than patches. Our patient did not demonstrate ophthalmopathy, which nearly always precedes pretibial myxedema.12 The most common form of pretibial myxedema is nonpitting, though nodular, plaquelike, polypoid, and elephantiasic forms also exist.11 Pretibial myxedema classically favors the shins; however, it also can affect the ankles, dorsal aspects of the feet, and toes. The characteristic induration of the skin is believed to be the result of excess fibroblast production of glycosaminoglycans in the dermis and subcutis likely triggered by stimulation of fibroblast thyroid stimulating hormone receptors.11
- Bakst RL, Tallman MS, Douer D, et al. How I treat extramedullary acute myeloid leukemia. Blood. 2011;118:3785-3793.
- Bolognia JL, Schaffer JV, Duncan KO, et al. Other lymphoproliferative and myeloproliferative diseases. In: Bolognia JL, Schaffer JV, Duncan KO, et al, eds. Dermatology Essentials. 2nd ed. Elsevier; 2014:973-977.
- Papadavid E, Panayiotides I, Katoulis A, et al. Stasis dermatitis-like leukaemic infiltration in a patient with myelodysplastic syndrome. Clin Exp Dermatol. 2008;33:298-300.
- Chang HY, Wong KM, Bosenberg M, et al. Myelogenous leukemia cutis resembling stasis dermatitis. J Am Acad Dermatol. 2003;49:128-129.
- Aguilera SB, Zarraga M, Rosen L. Leukemia cutis in a patient with acute myelogenous leukemia: a case report and review of the literature. Cutis. 2010;85:31-36.
- Kim DH, Seo SH, Ahn HH, et al. Characteristics and clinical manifestations of pigmented purpuric dermatosis. Ann Dermatol. 2015;27:404-410.
- Bolognia JL, Schaffer JV, Duncan KO, et al. Other eczematous eruptions. In: Bolognia JL, Schaffer JV, Duncan KO, et al, eds. Dermatology Essentials. 2nd ed. Elsevier; 2014:103-108.
- Krooks JA, Weatherall AG. Leukemia cutis in acute myeloid leukemia signifies a poor prognosis. Cutis. 2018;102:266, 271-272.
- Wetter DA, Dutz JP, Shinkai K, et al. Cutaneous vasculitis. In: Bolognia JL, Schaffer JV, Lorenzo C, eds. Dermatology. 4th ed. Elsevier; 2018:409-439.
- Jones D, Dorfman DM, Barnhill RL, et al. Leukemic vasculitis: a feature of leukemia cutis in some patients. Am J Clin Pathol. 1997;107:637-642.
- Fatourechi V. Pretibial myxedema: pathophysiology and treatment options. Am J Clin Dermatol. 2005;6:295-309.
- Fatourechi V, Pajouhi M, Fransway AF. Dermopathy of Graves disease (pretibial myxedema). review of 150 cases. Medicine (Baltimore). 1994;73:1-7.
The Diagnosis: Leukemia Cutis
Hematoxylin and eosin staining revealed an infiltration of monomorphic atypical myeloid cells with cleaved nuclei within the dermis, with a relatively uninvolved epidermis (Figure, A). The cells formed aggregates in single-file lines along dermal collagen bundles. Occasional Auer rods, which are crystal aggregates of the enzyme myeloperoxidase, a marker unique to cells of the myeloid lineage (Figure, B) were appreciated.
Immunohistochemical staining for myeloperoxidase was weakly positive; however, flow cytometric evaluation of the bone marrow aspirate revealed that approximately 20% of all CD45+ cells were myeloid blasts. These findings confirmed the diagnosis of recurrent acute myeloid leukemia (AML). The diagnosis of AML can be confirmed with a bone marrow biopsy demonstrating more than 20% of the total cells in blast form as well as evidence that the cells are of myeloid origin, which can be inferred by the presence of Auer rods, positive myeloperoxidase staining, or immunophenotyping. In our patient, the Auer rods, myeloperoxidase staining, and atypical myeloid cells on skin biopsy, in conjunction with the bone marrow biopsy results, confirmed leukemia cutis.
Leukemia cutis is the infiltration of neoplastic proliferating leukocytes in the epidermis, dermis, or subcutis from a primary or more commonly metastatic malignancy. Leukemic cutaneous involvement is seen in up to 13% of leukemia patients and most commonly is seen in monocytic or myelomonocytic forms of AML.1 It may present anywhere on the body but mostly is found on the back, trunk, and head. It also may have a predilection for areas with a history of trauma or inflammation. The lesions most often are firm, erythematous to violaceous papules and nodules, though leukemia cutis can present with hemorrhagic ulcers, purpura, or other cutaneous manifestations of concomitant thrombocytopenia such as petechiae and ecchymoses.2 Involvement of the lower extremities mimicking venous stasis dermatitis has been described.3,4
Treatment of leukemia cutis requires targeting the underlying leukemia2 under the guidance of hematology and oncology as well as the use of chemotherapeutic agents.5 The presence of leukemia cutis is a poor prognostic sign, and a discussion regarding goals of care often is appropriate. Our patient initially responded to FLAG (fludarabine, cytarabine, filgrastim) chemotherapy induction and consolidation, which was followed by midostaurin maintenance. However, she ultimately regressed, requiring decitabine and gilteritinib treatment, and died 9 months later from the course of the disease.
Although typically asymptomatic and presenting on the lower limbs, capillaritis (also known as the pigmented purpuric dermatoses) consists of a set of cutaneous conditions that often are chronic and relapsing in nature, as opposed to our patient’s subacute presentation. These benign conditions have several distinct morphologies; some are characterized by pigmented macules or pinpoint red-brown petechiae that most often are found on the legs but also are seen on the trunk and upper extremities.6 Of the various clinical presentations of capillaritis, our patient’s skin findings may be most consistent with pigmented purpuric lichenoid dermatitis of Gougerot and Blum, in which purpuric red-brown papules coalesce into plaques, though her lesions were not raised. The other pigmented purpuric dermatoses can present with cayenne pepper–colored petechiae, golden-brown macules, pruritic purpuric patches, or red-brown annular patches,6 which were not seen in our patient.
Venous stasis dermatitis also favors the lower extremities7; however, it classically includes the medial malleolus and often presents with scaling and hyperpigmentation from hemosiderin deposition.8 It often is associated with pruritus, as opposed to the nonpruritic nonpainful lesions in leukemia cutis. Other signs of venous insufficiency also may be appreciated, including edema or varicose veins,7 which were not evident in our patient.
Leukocytoclastic vasculitis, a small vessel vasculitis, also appears as palpable or macular purpura, which classically is asymptomatic and erupts on the shins approximately 1 week after an inciting exposure,9 such as medications, pathogens, or autoimmune diseases. One of the least distinctive vasculitides is polyarteritis nodosa, a form of medium vessel vasculitis, which presents most often with palpable purpura or painful nodules on the lower extremities and may be accompanied by livedo reticularis or digital necrosis.9 Acute leukemia may be accompanied by inflammatory paraneoplastic conditions including vasculitis, which is thought to be due to leukemic cells infiltrating and damaging blood vessels.10
Pretibial myxedema is closely associated with Graves disease and shares some features seen in the presentation of our patient’s leukemia cutis. It is asymptomatic, classically affects the pretibial regions, and most commonly affects older adults and women.11,12 Pretibial myxedema presents with thick indurated plaques rather than patches. Our patient did not demonstrate ophthalmopathy, which nearly always precedes pretibial myxedema.12 The most common form of pretibial myxedema is nonpitting, though nodular, plaquelike, polypoid, and elephantiasic forms also exist.11 Pretibial myxedema classically favors the shins; however, it also can affect the ankles, dorsal aspects of the feet, and toes. The characteristic induration of the skin is believed to be the result of excess fibroblast production of glycosaminoglycans in the dermis and subcutis likely triggered by stimulation of fibroblast thyroid stimulating hormone receptors.11
The Diagnosis: Leukemia Cutis
Hematoxylin and eosin staining revealed an infiltration of monomorphic atypical myeloid cells with cleaved nuclei within the dermis, with a relatively uninvolved epidermis (Figure, A). The cells formed aggregates in single-file lines along dermal collagen bundles. Occasional Auer rods, which are crystal aggregates of the enzyme myeloperoxidase, a marker unique to cells of the myeloid lineage (Figure, B) were appreciated.
Immunohistochemical staining for myeloperoxidase was weakly positive; however, flow cytometric evaluation of the bone marrow aspirate revealed that approximately 20% of all CD45+ cells were myeloid blasts. These findings confirmed the diagnosis of recurrent acute myeloid leukemia (AML). The diagnosis of AML can be confirmed with a bone marrow biopsy demonstrating more than 20% of the total cells in blast form as well as evidence that the cells are of myeloid origin, which can be inferred by the presence of Auer rods, positive myeloperoxidase staining, or immunophenotyping. In our patient, the Auer rods, myeloperoxidase staining, and atypical myeloid cells on skin biopsy, in conjunction with the bone marrow biopsy results, confirmed leukemia cutis.
Leukemia cutis is the infiltration of neoplastic proliferating leukocytes in the epidermis, dermis, or subcutis from a primary or more commonly metastatic malignancy. Leukemic cutaneous involvement is seen in up to 13% of leukemia patients and most commonly is seen in monocytic or myelomonocytic forms of AML.1 It may present anywhere on the body but mostly is found on the back, trunk, and head. It also may have a predilection for areas with a history of trauma or inflammation. The lesions most often are firm, erythematous to violaceous papules and nodules, though leukemia cutis can present with hemorrhagic ulcers, purpura, or other cutaneous manifestations of concomitant thrombocytopenia such as petechiae and ecchymoses.2 Involvement of the lower extremities mimicking venous stasis dermatitis has been described.3,4
Treatment of leukemia cutis requires targeting the underlying leukemia2 under the guidance of hematology and oncology as well as the use of chemotherapeutic agents.5 The presence of leukemia cutis is a poor prognostic sign, and a discussion regarding goals of care often is appropriate. Our patient initially responded to FLAG (fludarabine, cytarabine, filgrastim) chemotherapy induction and consolidation, which was followed by midostaurin maintenance. However, she ultimately regressed, requiring decitabine and gilteritinib treatment, and died 9 months later from the course of the disease.
Although typically asymptomatic and presenting on the lower limbs, capillaritis (also known as the pigmented purpuric dermatoses) consists of a set of cutaneous conditions that often are chronic and relapsing in nature, as opposed to our patient’s subacute presentation. These benign conditions have several distinct morphologies; some are characterized by pigmented macules or pinpoint red-brown petechiae that most often are found on the legs but also are seen on the trunk and upper extremities.6 Of the various clinical presentations of capillaritis, our patient’s skin findings may be most consistent with pigmented purpuric lichenoid dermatitis of Gougerot and Blum, in which purpuric red-brown papules coalesce into plaques, though her lesions were not raised. The other pigmented purpuric dermatoses can present with cayenne pepper–colored petechiae, golden-brown macules, pruritic purpuric patches, or red-brown annular patches,6 which were not seen in our patient.
Venous stasis dermatitis also favors the lower extremities7; however, it classically includes the medial malleolus and often presents with scaling and hyperpigmentation from hemosiderin deposition.8 It often is associated with pruritus, as opposed to the nonpruritic nonpainful lesions in leukemia cutis. Other signs of venous insufficiency also may be appreciated, including edema or varicose veins,7 which were not evident in our patient.
Leukocytoclastic vasculitis, a small vessel vasculitis, also appears as palpable or macular purpura, which classically is asymptomatic and erupts on the shins approximately 1 week after an inciting exposure,9 such as medications, pathogens, or autoimmune diseases. One of the least distinctive vasculitides is polyarteritis nodosa, a form of medium vessel vasculitis, which presents most often with palpable purpura or painful nodules on the lower extremities and may be accompanied by livedo reticularis or digital necrosis.9 Acute leukemia may be accompanied by inflammatory paraneoplastic conditions including vasculitis, which is thought to be due to leukemic cells infiltrating and damaging blood vessels.10
Pretibial myxedema is closely associated with Graves disease and shares some features seen in the presentation of our patient’s leukemia cutis. It is asymptomatic, classically affects the pretibial regions, and most commonly affects older adults and women.11,12 Pretibial myxedema presents with thick indurated plaques rather than patches. Our patient did not demonstrate ophthalmopathy, which nearly always precedes pretibial myxedema.12 The most common form of pretibial myxedema is nonpitting, though nodular, plaquelike, polypoid, and elephantiasic forms also exist.11 Pretibial myxedema classically favors the shins; however, it also can affect the ankles, dorsal aspects of the feet, and toes. The characteristic induration of the skin is believed to be the result of excess fibroblast production of glycosaminoglycans in the dermis and subcutis likely triggered by stimulation of fibroblast thyroid stimulating hormone receptors.11
- Bakst RL, Tallman MS, Douer D, et al. How I treat extramedullary acute myeloid leukemia. Blood. 2011;118:3785-3793.
- Bolognia JL, Schaffer JV, Duncan KO, et al. Other lymphoproliferative and myeloproliferative diseases. In: Bolognia JL, Schaffer JV, Duncan KO, et al, eds. Dermatology Essentials. 2nd ed. Elsevier; 2014:973-977.
- Papadavid E, Panayiotides I, Katoulis A, et al. Stasis dermatitis-like leukaemic infiltration in a patient with myelodysplastic syndrome. Clin Exp Dermatol. 2008;33:298-300.
- Chang HY, Wong KM, Bosenberg M, et al. Myelogenous leukemia cutis resembling stasis dermatitis. J Am Acad Dermatol. 2003;49:128-129.
- Aguilera SB, Zarraga M, Rosen L. Leukemia cutis in a patient with acute myelogenous leukemia: a case report and review of the literature. Cutis. 2010;85:31-36.
- Kim DH, Seo SH, Ahn HH, et al. Characteristics and clinical manifestations of pigmented purpuric dermatosis. Ann Dermatol. 2015;27:404-410.
- Bolognia JL, Schaffer JV, Duncan KO, et al. Other eczematous eruptions. In: Bolognia JL, Schaffer JV, Duncan KO, et al, eds. Dermatology Essentials. 2nd ed. Elsevier; 2014:103-108.
- Krooks JA, Weatherall AG. Leukemia cutis in acute myeloid leukemia signifies a poor prognosis. Cutis. 2018;102:266, 271-272.
- Wetter DA, Dutz JP, Shinkai K, et al. Cutaneous vasculitis. In: Bolognia JL, Schaffer JV, Lorenzo C, eds. Dermatology. 4th ed. Elsevier; 2018:409-439.
- Jones D, Dorfman DM, Barnhill RL, et al. Leukemic vasculitis: a feature of leukemia cutis in some patients. Am J Clin Pathol. 1997;107:637-642.
- Fatourechi V. Pretibial myxedema: pathophysiology and treatment options. Am J Clin Dermatol. 2005;6:295-309.
- Fatourechi V, Pajouhi M, Fransway AF. Dermopathy of Graves disease (pretibial myxedema). review of 150 cases. Medicine (Baltimore). 1994;73:1-7.
- Bakst RL, Tallman MS, Douer D, et al. How I treat extramedullary acute myeloid leukemia. Blood. 2011;118:3785-3793.
- Bolognia JL, Schaffer JV, Duncan KO, et al. Other lymphoproliferative and myeloproliferative diseases. In: Bolognia JL, Schaffer JV, Duncan KO, et al, eds. Dermatology Essentials. 2nd ed. Elsevier; 2014:973-977.
- Papadavid E, Panayiotides I, Katoulis A, et al. Stasis dermatitis-like leukaemic infiltration in a patient with myelodysplastic syndrome. Clin Exp Dermatol. 2008;33:298-300.
- Chang HY, Wong KM, Bosenberg M, et al. Myelogenous leukemia cutis resembling stasis dermatitis. J Am Acad Dermatol. 2003;49:128-129.
- Aguilera SB, Zarraga M, Rosen L. Leukemia cutis in a patient with acute myelogenous leukemia: a case report and review of the literature. Cutis. 2010;85:31-36.
- Kim DH, Seo SH, Ahn HH, et al. Characteristics and clinical manifestations of pigmented purpuric dermatosis. Ann Dermatol. 2015;27:404-410.
- Bolognia JL, Schaffer JV, Duncan KO, et al. Other eczematous eruptions. In: Bolognia JL, Schaffer JV, Duncan KO, et al, eds. Dermatology Essentials. 2nd ed. Elsevier; 2014:103-108.
- Krooks JA, Weatherall AG. Leukemia cutis in acute myeloid leukemia signifies a poor prognosis. Cutis. 2018;102:266, 271-272.
- Wetter DA, Dutz JP, Shinkai K, et al. Cutaneous vasculitis. In: Bolognia JL, Schaffer JV, Lorenzo C, eds. Dermatology. 4th ed. Elsevier; 2018:409-439.
- Jones D, Dorfman DM, Barnhill RL, et al. Leukemic vasculitis: a feature of leukemia cutis in some patients. Am J Clin Pathol. 1997;107:637-642.
- Fatourechi V. Pretibial myxedema: pathophysiology and treatment options. Am J Clin Dermatol. 2005;6:295-309.
- Fatourechi V, Pajouhi M, Fransway AF. Dermopathy of Graves disease (pretibial myxedema). review of 150 cases. Medicine (Baltimore). 1994;73:1-7.
A 67-year-old woman with history of atrial fibrillation and leukemia presented with a nonpruritic nonpainful rash of 10 days' duration that began on the distal lower extremities (top) and then spread superiorly. She reported having a sore throat and mouth, cough, night sweats, unintentional weight loss, and lymphadenopathy. Physical examination revealed pink-purple nonblanching macules and patches on the lower extremities extending from the ankles to the knees. She also had firm pink papules on the chest (bottom) and back. Punch biopsies of the skin on the chest and leg were obtained for histologic examination and immunohistochemical staining.
Insulin rationing common, ‘surprising’ even among privately insured
Insulin rationing due to cost in the United States is common even among people with diabetes who have private health insurance, new data show.
The findings from the 2021 National Health Interview Survey (NHIS) suggest that about one in six people with insulin-treated diabetes in the United States practice insulin rationing – skipping doses, taking less insulin than needed, or delaying the purchase of insulin – because of the price.
Not surprisingly, those without insurance had the highest rationing rate, at nearly a third. However, those with private insurance also had higher rates, at nearly one in five, than those of the overall diabetes population. And those with public insurance – Medicare and Medicaid – had lower rates.
The finding regarding privately insured individuals was “somewhat surprising,” lead author Adam Gaffney, MD, told this news organization. But he noted that the finding likely reflects issues such as copays and deductibles, along with other barriers patients experience within the private health insurance system.
The authors pointed out that the $35 copay cap on insulin included in the Inflation Reduction Act of 2022 might improve insulin access for Medicare beneficiaries but a similar cap for privately insured people was removed from the bill. Moreover, copay caps don’t help people who are uninsured.
And, although some states have also passed insulin copay caps that apply to privately insured people, “even a monthly cost of $35 can be a lot of money for people with low incomes. That isn’t negligible. It’s important to keep that in mind,” said Dr. Gaffney, a pulmonary and critical care physician at Harvard Medical School, Boston, and Cambridge (Mass.) Health Alliance.
“Insulin rationing is frequently harmful and sometimes deadly. In the ICU, I have cared for patients who have life-threatening complications of diabetes because they couldn’t afford this life-saving drug. Universal access to insulin, without cost barriers, is urgently needed,” Dr. Gaffney said in a Public Citizen statement.
Senior author Steffie Woolhandler, MD, agrees. “Drug companies have ramped up prices on insulin year after year, even for products that remain completely unchanged,” she noted.
“Drug firms are making vast profits at the expense of the health, and even the lives, of patients,” noted Dr. Woolhandler, a distinguished professor at Hunter College, City University of New York, a lecturer in medicine at Harvard, and a research associate at Public Citizen.
Uninsured, privately insured, and younger people more likely to ration
Dr. Gaffney and colleagues’ findings were published online in Annals of Internal Medicine.
The study is the first to examine insulin rationing across the United States among people with all diabetes types treated with insulin using the nationally representative NHIS data.
The results are consistent with those of previous studies, which have found similar rates of insulin rationing at a single U.S. institution and internationally among just those with type 1 diabetes, Dr. Gaffney noted.
In 2021, questions about insulin rationing were added to the NHIS for the first time.
The sample included 982 insulin users with diabetes, representing about 1.4 million U.S. adults with type 1 diabetes, 5.8 million with type 2 diabetes, and 0.4 million with other/unknown types.
Overall, 16.5% of participants – 1.3 million nationwide – reported skipping or reducing insulin doses or delaying the purchase of it in the past year. Delaying purchase was the most common type of rationing, reported by 14.2%, while taking less than needed was the most common practice among those with type 1 diabetes (16.5%).
Age made a difference, with 11.2% of adults aged 65 or older versus 20.4% of younger people reporting rationing. And by income level, even among those at the top level examined – 400% or higher of the federal poverty line – 10.8% reported rationing.
“The high-income group is not necessarily rich. Many would be considered middle-income,” Dr. Gaffney pointed out.
By race, 23.2% of Black participants reported rationing compared with 16.0% of White and Hispanic individuals.
People without insurance had the highest rationing rate (29.2%), followed by those with private insurance (18.8%), other coverage (16.1%), Medicare (13.5%), and Medicaid (11.6%).
‘It’s a complicated system’
Dr. Gaffney noted that even when the patient has private insurance, it’s challenging for the clinician to know in advance whether there are formulary restrictions on what type of insulin can be prescribed or what the patient’s copay or deductible will be.
“Often the prescription gets written without clear knowledge of coverage beforehand ... Coverage differs from patient to patient, from insurance to insurance. It’s a complicated system.”
He added, though, that some electronic health records (EHRs) incorporate this information. “Currently, some EHRs give real-time feedback. I see no reason why, for all the money we plug into these EHRs, there couldn’t be real-time feedback for every patient so you know what the copay is and whether it’s covered at the time you’re prescribing it. To me that’s a very straightforward technological fix that we could achieve. We have the information, but it’s hard to act on it.”
But beyond the EHR, “there are also problems when the patient’s insurance changes or their network changes, and what insulin is covered changes. And they don’t necessarily get that new prescription in time. And suddenly they have a gap. Gaps can be dangerous.”
What’s more, Dr. Gaffney noted: “The study raises concerning questions about what happens when the public health emergency ends and millions of people with Medicaid lose their coverage. Where are they going to get insulin? That’s another population we have to be worried about.”
All of this puts clinicians in a difficult spot, he said.
“They want the best for their patients but they’re working in a system that’s not letting them focus on practicing medicine and instead is forcing them to think about these economic issues that are in large part out of their control.”
Dr. Gaffney is a member of Physicians for a National Health Program, which advocates for a single-payer health system in the United States.
A version of this article first appeared on Medscape.com.
Insulin rationing due to cost in the United States is common even among people with diabetes who have private health insurance, new data show.
The findings from the 2021 National Health Interview Survey (NHIS) suggest that about one in six people with insulin-treated diabetes in the United States practice insulin rationing – skipping doses, taking less insulin than needed, or delaying the purchase of insulin – because of the price.
Not surprisingly, those without insurance had the highest rationing rate, at nearly a third. However, those with private insurance also had higher rates, at nearly one in five, than those of the overall diabetes population. And those with public insurance – Medicare and Medicaid – had lower rates.
The finding regarding privately insured individuals was “somewhat surprising,” lead author Adam Gaffney, MD, told this news organization. But he noted that the finding likely reflects issues such as copays and deductibles, along with other barriers patients experience within the private health insurance system.
The authors pointed out that the $35 copay cap on insulin included in the Inflation Reduction Act of 2022 might improve insulin access for Medicare beneficiaries but a similar cap for privately insured people was removed from the bill. Moreover, copay caps don’t help people who are uninsured.
And, although some states have also passed insulin copay caps that apply to privately insured people, “even a monthly cost of $35 can be a lot of money for people with low incomes. That isn’t negligible. It’s important to keep that in mind,” said Dr. Gaffney, a pulmonary and critical care physician at Harvard Medical School, Boston, and Cambridge (Mass.) Health Alliance.
“Insulin rationing is frequently harmful and sometimes deadly. In the ICU, I have cared for patients who have life-threatening complications of diabetes because they couldn’t afford this life-saving drug. Universal access to insulin, without cost barriers, is urgently needed,” Dr. Gaffney said in a Public Citizen statement.
Senior author Steffie Woolhandler, MD, agrees. “Drug companies have ramped up prices on insulin year after year, even for products that remain completely unchanged,” she noted.
“Drug firms are making vast profits at the expense of the health, and even the lives, of patients,” noted Dr. Woolhandler, a distinguished professor at Hunter College, City University of New York, a lecturer in medicine at Harvard, and a research associate at Public Citizen.
Uninsured, privately insured, and younger people more likely to ration
Dr. Gaffney and colleagues’ findings were published online in Annals of Internal Medicine.
The study is the first to examine insulin rationing across the United States among people with all diabetes types treated with insulin using the nationally representative NHIS data.
The results are consistent with those of previous studies, which have found similar rates of insulin rationing at a single U.S. institution and internationally among just those with type 1 diabetes, Dr. Gaffney noted.
In 2021, questions about insulin rationing were added to the NHIS for the first time.
The sample included 982 insulin users with diabetes, representing about 1.4 million U.S. adults with type 1 diabetes, 5.8 million with type 2 diabetes, and 0.4 million with other/unknown types.
Overall, 16.5% of participants – 1.3 million nationwide – reported skipping or reducing insulin doses or delaying the purchase of it in the past year. Delaying purchase was the most common type of rationing, reported by 14.2%, while taking less than needed was the most common practice among those with type 1 diabetes (16.5%).
Age made a difference, with 11.2% of adults aged 65 or older versus 20.4% of younger people reporting rationing. And by income level, even among those at the top level examined – 400% or higher of the federal poverty line – 10.8% reported rationing.
“The high-income group is not necessarily rich. Many would be considered middle-income,” Dr. Gaffney pointed out.
By race, 23.2% of Black participants reported rationing compared with 16.0% of White and Hispanic individuals.
People without insurance had the highest rationing rate (29.2%), followed by those with private insurance (18.8%), other coverage (16.1%), Medicare (13.5%), and Medicaid (11.6%).
‘It’s a complicated system’
Dr. Gaffney noted that even when the patient has private insurance, it’s challenging for the clinician to know in advance whether there are formulary restrictions on what type of insulin can be prescribed or what the patient’s copay or deductible will be.
“Often the prescription gets written without clear knowledge of coverage beforehand ... Coverage differs from patient to patient, from insurance to insurance. It’s a complicated system.”
He added, though, that some electronic health records (EHRs) incorporate this information. “Currently, some EHRs give real-time feedback. I see no reason why, for all the money we plug into these EHRs, there couldn’t be real-time feedback for every patient so you know what the copay is and whether it’s covered at the time you’re prescribing it. To me that’s a very straightforward technological fix that we could achieve. We have the information, but it’s hard to act on it.”
But beyond the EHR, “there are also problems when the patient’s insurance changes or their network changes, and what insulin is covered changes. And they don’t necessarily get that new prescription in time. And suddenly they have a gap. Gaps can be dangerous.”
What’s more, Dr. Gaffney noted: “The study raises concerning questions about what happens when the public health emergency ends and millions of people with Medicaid lose their coverage. Where are they going to get insulin? That’s another population we have to be worried about.”
All of this puts clinicians in a difficult spot, he said.
“They want the best for their patients but they’re working in a system that’s not letting them focus on practicing medicine and instead is forcing them to think about these economic issues that are in large part out of their control.”
Dr. Gaffney is a member of Physicians for a National Health Program, which advocates for a single-payer health system in the United States.
A version of this article first appeared on Medscape.com.
Insulin rationing due to cost in the United States is common even among people with diabetes who have private health insurance, new data show.
The findings from the 2021 National Health Interview Survey (NHIS) suggest that about one in six people with insulin-treated diabetes in the United States practice insulin rationing – skipping doses, taking less insulin than needed, or delaying the purchase of insulin – because of the price.
Not surprisingly, those without insurance had the highest rationing rate, at nearly a third. However, those with private insurance also had higher rates, at nearly one in five, than those of the overall diabetes population. And those with public insurance – Medicare and Medicaid – had lower rates.
The finding regarding privately insured individuals was “somewhat surprising,” lead author Adam Gaffney, MD, told this news organization. But he noted that the finding likely reflects issues such as copays and deductibles, along with other barriers patients experience within the private health insurance system.
The authors pointed out that the $35 copay cap on insulin included in the Inflation Reduction Act of 2022 might improve insulin access for Medicare beneficiaries but a similar cap for privately insured people was removed from the bill. Moreover, copay caps don’t help people who are uninsured.
And, although some states have also passed insulin copay caps that apply to privately insured people, “even a monthly cost of $35 can be a lot of money for people with low incomes. That isn’t negligible. It’s important to keep that in mind,” said Dr. Gaffney, a pulmonary and critical care physician at Harvard Medical School, Boston, and Cambridge (Mass.) Health Alliance.
“Insulin rationing is frequently harmful and sometimes deadly. In the ICU, I have cared for patients who have life-threatening complications of diabetes because they couldn’t afford this life-saving drug. Universal access to insulin, without cost barriers, is urgently needed,” Dr. Gaffney said in a Public Citizen statement.
Senior author Steffie Woolhandler, MD, agrees. “Drug companies have ramped up prices on insulin year after year, even for products that remain completely unchanged,” she noted.
“Drug firms are making vast profits at the expense of the health, and even the lives, of patients,” noted Dr. Woolhandler, a distinguished professor at Hunter College, City University of New York, a lecturer in medicine at Harvard, and a research associate at Public Citizen.
Uninsured, privately insured, and younger people more likely to ration
Dr. Gaffney and colleagues’ findings were published online in Annals of Internal Medicine.
The study is the first to examine insulin rationing across the United States among people with all diabetes types treated with insulin using the nationally representative NHIS data.
The results are consistent with those of previous studies, which have found similar rates of insulin rationing at a single U.S. institution and internationally among just those with type 1 diabetes, Dr. Gaffney noted.
In 2021, questions about insulin rationing were added to the NHIS for the first time.
The sample included 982 insulin users with diabetes, representing about 1.4 million U.S. adults with type 1 diabetes, 5.8 million with type 2 diabetes, and 0.4 million with other/unknown types.
Overall, 16.5% of participants – 1.3 million nationwide – reported skipping or reducing insulin doses or delaying the purchase of it in the past year. Delaying purchase was the most common type of rationing, reported by 14.2%, while taking less than needed was the most common practice among those with type 1 diabetes (16.5%).
Age made a difference, with 11.2% of adults aged 65 or older versus 20.4% of younger people reporting rationing. And by income level, even among those at the top level examined – 400% or higher of the federal poverty line – 10.8% reported rationing.
“The high-income group is not necessarily rich. Many would be considered middle-income,” Dr. Gaffney pointed out.
By race, 23.2% of Black participants reported rationing compared with 16.0% of White and Hispanic individuals.
People without insurance had the highest rationing rate (29.2%), followed by those with private insurance (18.8%), other coverage (16.1%), Medicare (13.5%), and Medicaid (11.6%).
‘It’s a complicated system’
Dr. Gaffney noted that even when the patient has private insurance, it’s challenging for the clinician to know in advance whether there are formulary restrictions on what type of insulin can be prescribed or what the patient’s copay or deductible will be.
“Often the prescription gets written without clear knowledge of coverage beforehand ... Coverage differs from patient to patient, from insurance to insurance. It’s a complicated system.”
He added, though, that some electronic health records (EHRs) incorporate this information. “Currently, some EHRs give real-time feedback. I see no reason why, for all the money we plug into these EHRs, there couldn’t be real-time feedback for every patient so you know what the copay is and whether it’s covered at the time you’re prescribing it. To me that’s a very straightforward technological fix that we could achieve. We have the information, but it’s hard to act on it.”
But beyond the EHR, “there are also problems when the patient’s insurance changes or their network changes, and what insulin is covered changes. And they don’t necessarily get that new prescription in time. And suddenly they have a gap. Gaps can be dangerous.”
What’s more, Dr. Gaffney noted: “The study raises concerning questions about what happens when the public health emergency ends and millions of people with Medicaid lose their coverage. Where are they going to get insulin? That’s another population we have to be worried about.”
All of this puts clinicians in a difficult spot, he said.
“They want the best for their patients but they’re working in a system that’s not letting them focus on practicing medicine and instead is forcing them to think about these economic issues that are in large part out of their control.”
Dr. Gaffney is a member of Physicians for a National Health Program, which advocates for a single-payer health system in the United States.
A version of this article first appeared on Medscape.com.
FROM ANNALS OF INTERNAL MEDICINE
VA Center Dramatically Shrinks Wait Times for Bone Marrow Biopsies
SAN DIEGO–The Louis Stokes Cleveland VA Medical Center in Ohio dramatically reduced wait times for bone marrow biopsies and treatment by ditching the radiology department and opening a weekly clinic devoted to the procedures, a cancer care team reported at the annual meeting of the Association of VA Hematology/Oncology (AVAHO) September 16 to 18, 2022.
The average time from biopsy order to procedure fell by more than two-thirds from 23.1 days to 7.0 days, and the time from order to diagnosis dipped from 27.8 days to 11.6 days. The time from treatment fell from 54.8 days to 20.2 days.
The new strategy aims to avoid sending patients to the radiology department and treat them in a clinic within the cancer center instead. “It’s great to be able to keep as many hematology/oncology–related things such as infusion, scheduling, and procedures within our department. It provides continuity for the veteran, and it’s helpful for them from that aspect,” said nurse practitioner Kyle Stimpert, MSN, RN, ACNP, of VA Northeast Ohio Healthcare System.
As the cancer team reported in an abstract presented at the AVAHO meeting, “bone marrow biopsies often need to be performed expeditiously to alleviate patient concerns and quickly determine a diagnosis and treatment plan. However, with increasing subspecialization, there are fewer hematology/oncology providers available to perform this procedure.”
The Cleveland VA tried to address this problem by sending patients to interventional radiology, but it still took weeks for bone marrow biopsies to be performed: From August 4, 2020, to August 12, 2021, when 140 biopsies were performed, the average time from order to procedure was 23.1 days. The time from order to diagnosis was 27.8 days, and from order to treatment was 54.8 days.
The bone marrow biopsies provide insight into diseases such as hematologic malignancies and myelodysplastic syndromes, Stimpert said. The procedures may lead to diagnoses or reveal how treatment is progressing.
In 2021, new leadership sought to shrink the wait times. “We put together a small team and started brainstorming,” said oncology clinical nurse specialist Alecia Smalheer, MSN, APRN, OCN, in an interview. With the help of staff who’d come from other facilities, she said, “we were able to see what was being done in surrounding community hospitals and come up with a model and a checklist.”
The team modified a space to create a new weekly, half-day bone marrow biopsy clinic. They also worked on procedures, documentation, education of patients, and training of staff, Smalheer said.
After implementation in the summer of 2021, the biopsy clinic performed 89 procedures through August 31, 2022. The average time from order to procedure was 7.0 days. The time to diagnosis was 11.6 days, and the time to treatment was 20.2 days. The differences between the pre-implementation and postimplementation periods were statistically significant. (P < .001 for each).
The biopsy clinic now sees about 3 to 4 patients a week. “Just yesterday, I had a vet whose cancer was going down. I was able to just do this bone marrow right there, and it was amazing. He didn’t have to go home [and come back],” Stimpert said. “A lot of patients travel a far distance or on oxygen, or it’s hard for them to get around. Coming to the facility for repeat appointments can just take a lot out of them. So it’s really nice to be able to get it all done in one visit.”
There are multiple benefits to shortening wait times, Smalheer said. “They can start treatment much sooner… but it also alleviates some of the emotional distress of waiting. They still have some waiting to do, but it’s definitely not as long.”
And, Stimpert added, patients are familiar with the infusion center and will see faces they know.
As for cost, the biopsy clinic may save money due to several factors related to how and where the biopsy procedures are performed, Stimpert said.
No disclosures are reported.
SAN DIEGO–The Louis Stokes Cleveland VA Medical Center in Ohio dramatically reduced wait times for bone marrow biopsies and treatment by ditching the radiology department and opening a weekly clinic devoted to the procedures, a cancer care team reported at the annual meeting of the Association of VA Hematology/Oncology (AVAHO) September 16 to 18, 2022.
The average time from biopsy order to procedure fell by more than two-thirds from 23.1 days to 7.0 days, and the time from order to diagnosis dipped from 27.8 days to 11.6 days. The time from treatment fell from 54.8 days to 20.2 days.
The new strategy aims to avoid sending patients to the radiology department and treat them in a clinic within the cancer center instead. “It’s great to be able to keep as many hematology/oncology–related things such as infusion, scheduling, and procedures within our department. It provides continuity for the veteran, and it’s helpful for them from that aspect,” said nurse practitioner Kyle Stimpert, MSN, RN, ACNP, of VA Northeast Ohio Healthcare System.
As the cancer team reported in an abstract presented at the AVAHO meeting, “bone marrow biopsies often need to be performed expeditiously to alleviate patient concerns and quickly determine a diagnosis and treatment plan. However, with increasing subspecialization, there are fewer hematology/oncology providers available to perform this procedure.”
The Cleveland VA tried to address this problem by sending patients to interventional radiology, but it still took weeks for bone marrow biopsies to be performed: From August 4, 2020, to August 12, 2021, when 140 biopsies were performed, the average time from order to procedure was 23.1 days. The time from order to diagnosis was 27.8 days, and from order to treatment was 54.8 days.
The bone marrow biopsies provide insight into diseases such as hematologic malignancies and myelodysplastic syndromes, Stimpert said. The procedures may lead to diagnoses or reveal how treatment is progressing.
In 2021, new leadership sought to shrink the wait times. “We put together a small team and started brainstorming,” said oncology clinical nurse specialist Alecia Smalheer, MSN, APRN, OCN, in an interview. With the help of staff who’d come from other facilities, she said, “we were able to see what was being done in surrounding community hospitals and come up with a model and a checklist.”
The team modified a space to create a new weekly, half-day bone marrow biopsy clinic. They also worked on procedures, documentation, education of patients, and training of staff, Smalheer said.
After implementation in the summer of 2021, the biopsy clinic performed 89 procedures through August 31, 2022. The average time from order to procedure was 7.0 days. The time to diagnosis was 11.6 days, and the time to treatment was 20.2 days. The differences between the pre-implementation and postimplementation periods were statistically significant. (P < .001 for each).
The biopsy clinic now sees about 3 to 4 patients a week. “Just yesterday, I had a vet whose cancer was going down. I was able to just do this bone marrow right there, and it was amazing. He didn’t have to go home [and come back],” Stimpert said. “A lot of patients travel a far distance or on oxygen, or it’s hard for them to get around. Coming to the facility for repeat appointments can just take a lot out of them. So it’s really nice to be able to get it all done in one visit.”
There are multiple benefits to shortening wait times, Smalheer said. “They can start treatment much sooner… but it also alleviates some of the emotional distress of waiting. They still have some waiting to do, but it’s definitely not as long.”
And, Stimpert added, patients are familiar with the infusion center and will see faces they know.
As for cost, the biopsy clinic may save money due to several factors related to how and where the biopsy procedures are performed, Stimpert said.
No disclosures are reported.
SAN DIEGO–The Louis Stokes Cleveland VA Medical Center in Ohio dramatically reduced wait times for bone marrow biopsies and treatment by ditching the radiology department and opening a weekly clinic devoted to the procedures, a cancer care team reported at the annual meeting of the Association of VA Hematology/Oncology (AVAHO) September 16 to 18, 2022.
The average time from biopsy order to procedure fell by more than two-thirds from 23.1 days to 7.0 days, and the time from order to diagnosis dipped from 27.8 days to 11.6 days. The time from treatment fell from 54.8 days to 20.2 days.
The new strategy aims to avoid sending patients to the radiology department and treat them in a clinic within the cancer center instead. “It’s great to be able to keep as many hematology/oncology–related things such as infusion, scheduling, and procedures within our department. It provides continuity for the veteran, and it’s helpful for them from that aspect,” said nurse practitioner Kyle Stimpert, MSN, RN, ACNP, of VA Northeast Ohio Healthcare System.
As the cancer team reported in an abstract presented at the AVAHO meeting, “bone marrow biopsies often need to be performed expeditiously to alleviate patient concerns and quickly determine a diagnosis and treatment plan. However, with increasing subspecialization, there are fewer hematology/oncology providers available to perform this procedure.”
The Cleveland VA tried to address this problem by sending patients to interventional radiology, but it still took weeks for bone marrow biopsies to be performed: From August 4, 2020, to August 12, 2021, when 140 biopsies were performed, the average time from order to procedure was 23.1 days. The time from order to diagnosis was 27.8 days, and from order to treatment was 54.8 days.
The bone marrow biopsies provide insight into diseases such as hematologic malignancies and myelodysplastic syndromes, Stimpert said. The procedures may lead to diagnoses or reveal how treatment is progressing.
In 2021, new leadership sought to shrink the wait times. “We put together a small team and started brainstorming,” said oncology clinical nurse specialist Alecia Smalheer, MSN, APRN, OCN, in an interview. With the help of staff who’d come from other facilities, she said, “we were able to see what was being done in surrounding community hospitals and come up with a model and a checklist.”
The team modified a space to create a new weekly, half-day bone marrow biopsy clinic. They also worked on procedures, documentation, education of patients, and training of staff, Smalheer said.
After implementation in the summer of 2021, the biopsy clinic performed 89 procedures through August 31, 2022. The average time from order to procedure was 7.0 days. The time to diagnosis was 11.6 days, and the time to treatment was 20.2 days. The differences between the pre-implementation and postimplementation periods were statistically significant. (P < .001 for each).
The biopsy clinic now sees about 3 to 4 patients a week. “Just yesterday, I had a vet whose cancer was going down. I was able to just do this bone marrow right there, and it was amazing. He didn’t have to go home [and come back],” Stimpert said. “A lot of patients travel a far distance or on oxygen, or it’s hard for them to get around. Coming to the facility for repeat appointments can just take a lot out of them. So it’s really nice to be able to get it all done in one visit.”
There are multiple benefits to shortening wait times, Smalheer said. “They can start treatment much sooner… but it also alleviates some of the emotional distress of waiting. They still have some waiting to do, but it’s definitely not as long.”
And, Stimpert added, patients are familiar with the infusion center and will see faces they know.
As for cost, the biopsy clinic may save money due to several factors related to how and where the biopsy procedures are performed, Stimpert said.
No disclosures are reported.
FDA approved acalabrutinib tablet for MCL, CLL, SLL
These include adult patients with chronic lymphocytic leukemia, small lymphocytic lymphoma, and relapsed or refractory mantle cell lymphoma.
Approval of the tablet formulation of the selective Bruton tyrosine kinase inhibitor was based on the ELEVATE-PLUS trials, which showed bioequivalence with the capsule. The tablet had the same efficacy and safety profile with the same dosing strength and schedule, AstraZeneca said in a press release.
The benefit of the tablet formulation is that patients with acid reflux and other problems can take it with proton pump inhibitors, antacids, and H2-receptor antagonists, the company noted.
A version of this article first appeared on Medscape.com.
These include adult patients with chronic lymphocytic leukemia, small lymphocytic lymphoma, and relapsed or refractory mantle cell lymphoma.
Approval of the tablet formulation of the selective Bruton tyrosine kinase inhibitor was based on the ELEVATE-PLUS trials, which showed bioequivalence with the capsule. The tablet had the same efficacy and safety profile with the same dosing strength and schedule, AstraZeneca said in a press release.
The benefit of the tablet formulation is that patients with acid reflux and other problems can take it with proton pump inhibitors, antacids, and H2-receptor antagonists, the company noted.
A version of this article first appeared on Medscape.com.
These include adult patients with chronic lymphocytic leukemia, small lymphocytic lymphoma, and relapsed or refractory mantle cell lymphoma.
Approval of the tablet formulation of the selective Bruton tyrosine kinase inhibitor was based on the ELEVATE-PLUS trials, which showed bioequivalence with the capsule. The tablet had the same efficacy and safety profile with the same dosing strength and schedule, AstraZeneca said in a press release.
The benefit of the tablet formulation is that patients with acid reflux and other problems can take it with proton pump inhibitors, antacids, and H2-receptor antagonists, the company noted.
A version of this article first appeared on Medscape.com.
In VA Oncology, Discussion Groups Are Transforming the Workplace
SAN DIEGO—From coast to coast, 10 US Department of Veterans Affairs (VA) medical centers are holding meetings designed to help clinicians and colleagues talk openly about touchy workplace topics, such as compassion, burnout, and medical errors. New data suggests that “Schwartz Rounds” have tremendous power to change how medical professionals cope, communicate, and commiserate.
At the VA Connecticut Healthcare System (VACHS), nearly all (98%) respondents who took part in Schwartz Round sessions rated them as either good or excellent, 89% reported feeling less isolated in their work with patients, 98% had new insights into the perspectives and experiences of colleagues, and 93% felt more open to communicating with colleagues, reported oncologist Edward Perry, MD, of VA Connecticut and Yale University School of Medicine, in a presentation here at the annual meeting of the Association of VA Hematology/Oncology (AVAHO) held September 16 to 18, 2022.
Schwartz Rounds have been around for 25 years and are named after the late Ken Schwartz, a 40-year-old Boston health care attorney who wrote movingly in 1995 about the “exquisite compassion” he experienced while being treated for advanced lung cancer—and the risk that the rapidly evolving health care system would lose its sense of empathy.
The Boston-based nonprofit Schwartz Center for Compassionate Healthcare facilitates Schwartz Rounds, which are now held at about 600 health care organizations around the world. That number includes the 10 VA medical centers, mostly in the Northeast (Massachusetts, New York, Connecticut, and New Hampshire) but also in California, Illinois, and Minnesota.
Site teams work with the Schwartz Center to plan the rounds and gather data about their effectiveness. “Unlike traditional clinical or ethics rounds, this is not a didactic or problem-solving session. The focus is not on what happened, but how those who were involved felt. In other words, the human dimension of medicine,” Dr. Perry said. “There are no right or wrong answers. Everything that is said during short rounds is confidential. We do encourage people to continue discussion of the general themes afterward but not to share any specifics of what was discussed.”
At VACHS, Schwartz rounds began shortly before the COVID-19 pandemic, Perry said, and they’ve been held virtually since the first meeting. “Schwartz Rounds are open to all employees, trainees, and students at the institution. Anyone with a VA badge is welcome to attend,” he said. “We're averaging about 150 attendees per session.”
Speakers have addressed social/emotional topics, including delivering bad news to patients, maintaining compassion during adversity, and providing compassionate care to patients with substance use disorders.
The VACHS survey of Schwartz Rounds participants had a 50% response rate, with about 400 people responding to each question. Nearly all (98%) said they planned to attend the rounds again, and 55% agreed that a specific discussion “suggests that changes may be needed in departmental or institutional policies or practices.”
The administration has agreed to continue the Schwartz Rounds in light of the positive results, Perry said. As he noted, the Schwartz Center charges dues and initiation fees. The Marjorie Stanzler Financial Aid Fund underwrites the initiation fees for qualifying organizations, including VA facilities.
As for lessons, he said the topics of Schwartz Rounds “should be emotionally resonant. They should involve multiple disciplines and perspectives. They should illuminate an issue or experience that is not often discussed. And should inspire participants to share their own experiences and highlight instances of compassionate care—or barriers to providing compassionate care.”
Dr. Perry has no disclosures.
SAN DIEGO—From coast to coast, 10 US Department of Veterans Affairs (VA) medical centers are holding meetings designed to help clinicians and colleagues talk openly about touchy workplace topics, such as compassion, burnout, and medical errors. New data suggests that “Schwartz Rounds” have tremendous power to change how medical professionals cope, communicate, and commiserate.
At the VA Connecticut Healthcare System (VACHS), nearly all (98%) respondents who took part in Schwartz Round sessions rated them as either good or excellent, 89% reported feeling less isolated in their work with patients, 98% had new insights into the perspectives and experiences of colleagues, and 93% felt more open to communicating with colleagues, reported oncologist Edward Perry, MD, of VA Connecticut and Yale University School of Medicine, in a presentation here at the annual meeting of the Association of VA Hematology/Oncology (AVAHO) held September 16 to 18, 2022.
Schwartz Rounds have been around for 25 years and are named after the late Ken Schwartz, a 40-year-old Boston health care attorney who wrote movingly in 1995 about the “exquisite compassion” he experienced while being treated for advanced lung cancer—and the risk that the rapidly evolving health care system would lose its sense of empathy.
The Boston-based nonprofit Schwartz Center for Compassionate Healthcare facilitates Schwartz Rounds, which are now held at about 600 health care organizations around the world. That number includes the 10 VA medical centers, mostly in the Northeast (Massachusetts, New York, Connecticut, and New Hampshire) but also in California, Illinois, and Minnesota.
Site teams work with the Schwartz Center to plan the rounds and gather data about their effectiveness. “Unlike traditional clinical or ethics rounds, this is not a didactic or problem-solving session. The focus is not on what happened, but how those who were involved felt. In other words, the human dimension of medicine,” Dr. Perry said. “There are no right or wrong answers. Everything that is said during short rounds is confidential. We do encourage people to continue discussion of the general themes afterward but not to share any specifics of what was discussed.”
At VACHS, Schwartz rounds began shortly before the COVID-19 pandemic, Perry said, and they’ve been held virtually since the first meeting. “Schwartz Rounds are open to all employees, trainees, and students at the institution. Anyone with a VA badge is welcome to attend,” he said. “We're averaging about 150 attendees per session.”
Speakers have addressed social/emotional topics, including delivering bad news to patients, maintaining compassion during adversity, and providing compassionate care to patients with substance use disorders.
The VACHS survey of Schwartz Rounds participants had a 50% response rate, with about 400 people responding to each question. Nearly all (98%) said they planned to attend the rounds again, and 55% agreed that a specific discussion “suggests that changes may be needed in departmental or institutional policies or practices.”
The administration has agreed to continue the Schwartz Rounds in light of the positive results, Perry said. As he noted, the Schwartz Center charges dues and initiation fees. The Marjorie Stanzler Financial Aid Fund underwrites the initiation fees for qualifying organizations, including VA facilities.
As for lessons, he said the topics of Schwartz Rounds “should be emotionally resonant. They should involve multiple disciplines and perspectives. They should illuminate an issue or experience that is not often discussed. And should inspire participants to share their own experiences and highlight instances of compassionate care—or barriers to providing compassionate care.”
Dr. Perry has no disclosures.
SAN DIEGO—From coast to coast, 10 US Department of Veterans Affairs (VA) medical centers are holding meetings designed to help clinicians and colleagues talk openly about touchy workplace topics, such as compassion, burnout, and medical errors. New data suggests that “Schwartz Rounds” have tremendous power to change how medical professionals cope, communicate, and commiserate.
At the VA Connecticut Healthcare System (VACHS), nearly all (98%) respondents who took part in Schwartz Round sessions rated them as either good or excellent, 89% reported feeling less isolated in their work with patients, 98% had new insights into the perspectives and experiences of colleagues, and 93% felt more open to communicating with colleagues, reported oncologist Edward Perry, MD, of VA Connecticut and Yale University School of Medicine, in a presentation here at the annual meeting of the Association of VA Hematology/Oncology (AVAHO) held September 16 to 18, 2022.
Schwartz Rounds have been around for 25 years and are named after the late Ken Schwartz, a 40-year-old Boston health care attorney who wrote movingly in 1995 about the “exquisite compassion” he experienced while being treated for advanced lung cancer—and the risk that the rapidly evolving health care system would lose its sense of empathy.
The Boston-based nonprofit Schwartz Center for Compassionate Healthcare facilitates Schwartz Rounds, which are now held at about 600 health care organizations around the world. That number includes the 10 VA medical centers, mostly in the Northeast (Massachusetts, New York, Connecticut, and New Hampshire) but also in California, Illinois, and Minnesota.
Site teams work with the Schwartz Center to plan the rounds and gather data about their effectiveness. “Unlike traditional clinical or ethics rounds, this is not a didactic or problem-solving session. The focus is not on what happened, but how those who were involved felt. In other words, the human dimension of medicine,” Dr. Perry said. “There are no right or wrong answers. Everything that is said during short rounds is confidential. We do encourage people to continue discussion of the general themes afterward but not to share any specifics of what was discussed.”
At VACHS, Schwartz rounds began shortly before the COVID-19 pandemic, Perry said, and they’ve been held virtually since the first meeting. “Schwartz Rounds are open to all employees, trainees, and students at the institution. Anyone with a VA badge is welcome to attend,” he said. “We're averaging about 150 attendees per session.”
Speakers have addressed social/emotional topics, including delivering bad news to patients, maintaining compassion during adversity, and providing compassionate care to patients with substance use disorders.
The VACHS survey of Schwartz Rounds participants had a 50% response rate, with about 400 people responding to each question. Nearly all (98%) said they planned to attend the rounds again, and 55% agreed that a specific discussion “suggests that changes may be needed in departmental or institutional policies or practices.”
The administration has agreed to continue the Schwartz Rounds in light of the positive results, Perry said. As he noted, the Schwartz Center charges dues and initiation fees. The Marjorie Stanzler Financial Aid Fund underwrites the initiation fees for qualifying organizations, including VA facilities.
As for lessons, he said the topics of Schwartz Rounds “should be emotionally resonant. They should involve multiple disciplines and perspectives. They should illuminate an issue or experience that is not often discussed. And should inspire participants to share their own experiences and highlight instances of compassionate care—or barriers to providing compassionate care.”
Dr. Perry has no disclosures.
Vaccinium myrtillus (bilberry seed oil) extract
A member of the Ericaceae family, bilberry (Vaccinium myrtillus) is native to northern Europe and North America, and its fruit is known to contain myriad polyphenols that display potent antioxidant and anti-inflammatory activity.1,2 Also known as European blueberry or whortleberry, this perennial deciduous shrub is also one of the richest sources of the polyphenolic pigments anthocyanins.3-5 Indeed, anthocyanins impart the blue/black color to bilberries and other berries and are thought to be the primary bioactive constituents of berries associated with numerous health benefits.3,6 They are also known to confer anti-allergic, anticancer, and wound healing activity.4 Overall, bilberry has also been reported to exert anti-inflammatory, lipid-lowering, and antimicrobial activity.3 In this column, the focus will be on the chemical constituents and properties of V. myrtillus that indicate potential or applicability for skin care.
Active ingredients of bilberry
Bilberry seed oil contains unsaturated fatty acids such as linoleic acid and alpha-linolenic acid, which exhibit anti-inflammatory activity and contribute to the suppression of tyrosinase. For instance, Ando et al. showed, in 1998, that linoleic and alpha-linolenic acids lighten UV-induced skin hyperpigmentation. Their in vitro experiments using cultured murine melanoma cells and in vivo study of the topical application of either acid to the UV-induced hyperpigmented dorsal skin of guinea pigs revealed pigment-lightening effects that they partly ascribed to inhibited melanin synthesis by active melanocytes and accelerated desquamation of epidermal melanin pigment.7
A 2009 comparative study of the anthocyanin composition as well as antimicrobial and antioxidant activities delivered by bilberry and blueberry fruits and their skins by Burdulis et al. revealed robust functions in both fruits. Cyanidin was found to be an active anthocyanidin in bilberry. Cultivars of both fruits demonstrated antimicrobial and antioxidant activity, with bilberry fruit skin demonstrating potent antiradical activity.8
The anthocyanins of V. myrtillus are reputed to impart protection against cardiovascular disorders, age-induced oxidative stress, inflammatory responses, and various degenerative conditions, as well ameliorate neuronal and cognitive brain functions and ocular health.6
In 2012, Bornsek et al. demonstrated that bilberry (and blueberry) anthocyanins function as potent intracellular antioxidants, which may account for their noted health benefits despite relatively low bioavailability.9
Six years later, a chemical composition study of wild bilberry found in Montenegro, Brasanac-Vukanovic et al. determined that chlorogenic acid was the most prevalent phenolic constituent, followed by protocatechuic acid, with resveratrol, isoquercetin, quercetin, and hyperoside also found to be abundant. In vitro assays indicated significant antioxidant activity exhibited by these compounds.10
Activity against allergic contact dermatitis
Yamaura et al. used a mouse model, in 2011, to determine that the anthocyanins from a bilberry extract attenuated various symptoms of chronic allergic contact dermatitis, particularly alleviating pruritus.8 A year later, Yamaura et al. used a BALB/c mouse model of allergic contact dermatitis to compare the antipruritic effect of anthocyanin-rich quality-controlled bilberry extract and anthocyanidin-rich degraded extract. The investigators found that anthocyanins, but not anthocyanidins, derived from bilberry exert an antipruritic effect, likely through their inhibitory action on mast cell degranulation. They concluded that anthocyanin-rich bilberry extract could act as an effective oral supplement to treat pruritic symptoms of skin disorders such as chronic allergic contact dermatitis and atopic dermatitis.11
Antioxidant and anti-inflammatory activity
Bilberries, consumed since ancient times, are reputed to function as potent antioxidants because of a wide array of phenolic constituents, and this fruit is gaining interest for use in pharmaceuticals.12
In 2008, Svobodová et al. assessed possible UVA preventive properties of V. myrtillus fruit extract in a human keratinocyte cell line (HaCaT), finding that pre- or posttreatment mitigated UVA-induced harm. They also observed a significant decrease in UVA-caused reactive oxygen species (ROS) formation and the prevention or attenuation of UVA-stimulated peroxidation of membrane lipids. Intracellular glutathione was also protected. The investigators attributed the array of cytoprotective effects conferred by V. myrtillus extract primarily to its constituent anthocyanins.2 A year later, they found that the phenolic fraction of V. myrtillus fruits inhibited UVB-induced damage to HaCaT keratinocytes in vitro.13
In 2014, Calò and Marabini used HaCaT keratinocytes to ascertain whether a water-soluble V. myrtillus extract could mitigate UVA- and UVB-induced damage. They found that the extract diminished UVB-induced cytotoxicity and genotoxicity at lower doses, decreasing lipid peroxidation but exerting no effect on reactive oxygen species generated by UVB. The extract attenuated genotoxicity induced by UVA as well as ROS and apoptosis. Overall, the investigators concluded that V. myrtillus extract demonstrated antioxidant activity, particularly against UVA exposure.14
Four years later, Bucci et al. developed nanoberries, an ultradeformable liposome carrying V. myrtillus ethanolic extract, and determined that the preparation could penetrate the stratum corneum safely and suggested potential for yielding protection against photodamage.15
Skin preparations
In 2021, Tadic et al. developed an oil-in-water (O/W) cream containing wild bilberry leaf extracts and seed oil. The leaves contained copious phenolic acids (particularly chlorogenic acid), flavonoids (especially isoquercetin), and resveratrol. The seed oil was rife with alpha-linolenic, linoleic, and oleic acids. The investigators conducted an in vivo study over 30 days in 25 healthy volunteers (20 women, 5 men; mean age 23.36 ± 0.64 years). They found that the O/W cream successfully increased stratum corneum hydration, enhanced skin barrier function, and maintained skin pH after topical application. The cream was also well tolerated. In vitro assays also indicated that the bilberry isolates displayed notable antioxidant capacity (stronger in the case of the leaves). Tadic et al. suggested that skin disorders characterized by oxidative stress and/or xerosis may be appropriate targets for topically applied bilberry cream.1
Early in 2022, Ruscinc et al. reported on their efforts to incorporate V. myrtillus extract into a multifunctional sunscreen. In vitro and in vivo tests revealed that while sun protection factor was lowered in the presence of the extract, the samples were safe and photostable. The researchers concluded that further study is necessary to elucidate the effect of V. myrtillus extract on photoprotection.16
V. myrtillus has been consumed by human beings for many generations. Skin care formulations based on this ingredient have not been associated with adverse events. Notably, the Environmental Working Group has rated V. myrtillus (bilberry seed) oil as very safe.17
Summary
While research, particularly in the form of randomized controlled trials, is called for,
because the fatty acids it contains have been shown to suppress tyrosinase. Currently, this botanical agent seems to be most suited for sensitive, aging skin and for skin with an uneven tone, particularly postinflammatory pigmentation and melasma.Dr. Baumann is a private practice dermatologist, researcher, author, and entrepreneur in Miami. She founded the division of cosmetic dermatology at the University of Miami in 1997. The third edition of her bestselling textbook, “Cosmetic Dermatology,” was published in 2022. Dr. Baumann has received funding for advisory boards and/or clinical research trials from Allergan, Galderma, Johnson & Johnson, and Burt’s Bees. She is the CEO of Skin Type Solutions, an SaaS company used to generate skin care routines in office and as an ecommerce solution. Write to her at [email protected].
References
1. Tadic VM et al. Antioxidants (Basel). 2021 Mar 16;10(3):465.
2. Svobodová A et al. Biofactors. 2008;33(4):249-66.
3. Chu WK et al. Bilberry (Vaccinium myrtillus L.), in Benzie IFF, Wachtel-Galor S, eds., “Herbal Medicine: Biomolecular and Clinical Aspects,” 2nd ed. (Boca Raton, Fla.: CRC Press/Taylor & Francis, 2011, Chapter 4).
4. Yamaura K et al. Pharmacognosy Res. 2011 Jul;3(3):173-7.
5. Stefanescu BE et al. Molecules. 2019 May 29;24(11):2046.
6. Smeriglio A et al. Mini Rev Med Chem. 2014;14(7):567-84.
7. Ando H et al. Arch Dermatol Res. 1998 Jul;290(7):375-81.
8. Burdulis D et al. Acta Pol Pharm. 2009 Jul-Aug;66(4):399-408.
9. Bornsek SM et al. Food Chem. 2012 Oct 15;134(4):1878-84.
10. Brasanac-Vukanovic S et al. Molecules. 2018 Jul 26;23(8):1864.
11. Yamaura K et al. J Food Sci. 2012 Dec;77(12):H262-7.
12. Pires TCSP et al. Curr Pharm Des. 2020;26(16):1917-28.
13. Svobodová A et al. J Dermatol Sci. 2009 Dec;56(3):196-204.
14. Calò R, Marabini L. J Photochem Photobiol B. 2014 Mar 5;132:27-35.
15. Bucci P et al. J Cosmet Dermatol. 2018 Oct;17(5):889-99.
16. Ruscinc N et al. J Cosmet Dermatol. 2022 Jan 13.
17. Environmental Working Group’s Skin Deep website. Vaccinium Myrtillus Bilberry Seed Oil. Accessed October 18, 2022.
A member of the Ericaceae family, bilberry (Vaccinium myrtillus) is native to northern Europe and North America, and its fruit is known to contain myriad polyphenols that display potent antioxidant and anti-inflammatory activity.1,2 Also known as European blueberry or whortleberry, this perennial deciduous shrub is also one of the richest sources of the polyphenolic pigments anthocyanins.3-5 Indeed, anthocyanins impart the blue/black color to bilberries and other berries and are thought to be the primary bioactive constituents of berries associated with numerous health benefits.3,6 They are also known to confer anti-allergic, anticancer, and wound healing activity.4 Overall, bilberry has also been reported to exert anti-inflammatory, lipid-lowering, and antimicrobial activity.3 In this column, the focus will be on the chemical constituents and properties of V. myrtillus that indicate potential or applicability for skin care.
Active ingredients of bilberry
Bilberry seed oil contains unsaturated fatty acids such as linoleic acid and alpha-linolenic acid, which exhibit anti-inflammatory activity and contribute to the suppression of tyrosinase. For instance, Ando et al. showed, in 1998, that linoleic and alpha-linolenic acids lighten UV-induced skin hyperpigmentation. Their in vitro experiments using cultured murine melanoma cells and in vivo study of the topical application of either acid to the UV-induced hyperpigmented dorsal skin of guinea pigs revealed pigment-lightening effects that they partly ascribed to inhibited melanin synthesis by active melanocytes and accelerated desquamation of epidermal melanin pigment.7
A 2009 comparative study of the anthocyanin composition as well as antimicrobial and antioxidant activities delivered by bilberry and blueberry fruits and their skins by Burdulis et al. revealed robust functions in both fruits. Cyanidin was found to be an active anthocyanidin in bilberry. Cultivars of both fruits demonstrated antimicrobial and antioxidant activity, with bilberry fruit skin demonstrating potent antiradical activity.8
The anthocyanins of V. myrtillus are reputed to impart protection against cardiovascular disorders, age-induced oxidative stress, inflammatory responses, and various degenerative conditions, as well ameliorate neuronal and cognitive brain functions and ocular health.6
In 2012, Bornsek et al. demonstrated that bilberry (and blueberry) anthocyanins function as potent intracellular antioxidants, which may account for their noted health benefits despite relatively low bioavailability.9
Six years later, a chemical composition study of wild bilberry found in Montenegro, Brasanac-Vukanovic et al. determined that chlorogenic acid was the most prevalent phenolic constituent, followed by protocatechuic acid, with resveratrol, isoquercetin, quercetin, and hyperoside also found to be abundant. In vitro assays indicated significant antioxidant activity exhibited by these compounds.10
Activity against allergic contact dermatitis
Yamaura et al. used a mouse model, in 2011, to determine that the anthocyanins from a bilberry extract attenuated various symptoms of chronic allergic contact dermatitis, particularly alleviating pruritus.8 A year later, Yamaura et al. used a BALB/c mouse model of allergic contact dermatitis to compare the antipruritic effect of anthocyanin-rich quality-controlled bilberry extract and anthocyanidin-rich degraded extract. The investigators found that anthocyanins, but not anthocyanidins, derived from bilberry exert an antipruritic effect, likely through their inhibitory action on mast cell degranulation. They concluded that anthocyanin-rich bilberry extract could act as an effective oral supplement to treat pruritic symptoms of skin disorders such as chronic allergic contact dermatitis and atopic dermatitis.11
Antioxidant and anti-inflammatory activity
Bilberries, consumed since ancient times, are reputed to function as potent antioxidants because of a wide array of phenolic constituents, and this fruit is gaining interest for use in pharmaceuticals.12
In 2008, Svobodová et al. assessed possible UVA preventive properties of V. myrtillus fruit extract in a human keratinocyte cell line (HaCaT), finding that pre- or posttreatment mitigated UVA-induced harm. They also observed a significant decrease in UVA-caused reactive oxygen species (ROS) formation and the prevention or attenuation of UVA-stimulated peroxidation of membrane lipids. Intracellular glutathione was also protected. The investigators attributed the array of cytoprotective effects conferred by V. myrtillus extract primarily to its constituent anthocyanins.2 A year later, they found that the phenolic fraction of V. myrtillus fruits inhibited UVB-induced damage to HaCaT keratinocytes in vitro.13
In 2014, Calò and Marabini used HaCaT keratinocytes to ascertain whether a water-soluble V. myrtillus extract could mitigate UVA- and UVB-induced damage. They found that the extract diminished UVB-induced cytotoxicity and genotoxicity at lower doses, decreasing lipid peroxidation but exerting no effect on reactive oxygen species generated by UVB. The extract attenuated genotoxicity induced by UVA as well as ROS and apoptosis. Overall, the investigators concluded that V. myrtillus extract demonstrated antioxidant activity, particularly against UVA exposure.14
Four years later, Bucci et al. developed nanoberries, an ultradeformable liposome carrying V. myrtillus ethanolic extract, and determined that the preparation could penetrate the stratum corneum safely and suggested potential for yielding protection against photodamage.15
Skin preparations
In 2021, Tadic et al. developed an oil-in-water (O/W) cream containing wild bilberry leaf extracts and seed oil. The leaves contained copious phenolic acids (particularly chlorogenic acid), flavonoids (especially isoquercetin), and resveratrol. The seed oil was rife with alpha-linolenic, linoleic, and oleic acids. The investigators conducted an in vivo study over 30 days in 25 healthy volunteers (20 women, 5 men; mean age 23.36 ± 0.64 years). They found that the O/W cream successfully increased stratum corneum hydration, enhanced skin barrier function, and maintained skin pH after topical application. The cream was also well tolerated. In vitro assays also indicated that the bilberry isolates displayed notable antioxidant capacity (stronger in the case of the leaves). Tadic et al. suggested that skin disorders characterized by oxidative stress and/or xerosis may be appropriate targets for topically applied bilberry cream.1
Early in 2022, Ruscinc et al. reported on their efforts to incorporate V. myrtillus extract into a multifunctional sunscreen. In vitro and in vivo tests revealed that while sun protection factor was lowered in the presence of the extract, the samples were safe and photostable. The researchers concluded that further study is necessary to elucidate the effect of V. myrtillus extract on photoprotection.16
V. myrtillus has been consumed by human beings for many generations. Skin care formulations based on this ingredient have not been associated with adverse events. Notably, the Environmental Working Group has rated V. myrtillus (bilberry seed) oil as very safe.17
Summary
While research, particularly in the form of randomized controlled trials, is called for,
because the fatty acids it contains have been shown to suppress tyrosinase. Currently, this botanical agent seems to be most suited for sensitive, aging skin and for skin with an uneven tone, particularly postinflammatory pigmentation and melasma.Dr. Baumann is a private practice dermatologist, researcher, author, and entrepreneur in Miami. She founded the division of cosmetic dermatology at the University of Miami in 1997. The third edition of her bestselling textbook, “Cosmetic Dermatology,” was published in 2022. Dr. Baumann has received funding for advisory boards and/or clinical research trials from Allergan, Galderma, Johnson & Johnson, and Burt’s Bees. She is the CEO of Skin Type Solutions, an SaaS company used to generate skin care routines in office and as an ecommerce solution. Write to her at [email protected].
References
1. Tadic VM et al. Antioxidants (Basel). 2021 Mar 16;10(3):465.
2. Svobodová A et al. Biofactors. 2008;33(4):249-66.
3. Chu WK et al. Bilberry (Vaccinium myrtillus L.), in Benzie IFF, Wachtel-Galor S, eds., “Herbal Medicine: Biomolecular and Clinical Aspects,” 2nd ed. (Boca Raton, Fla.: CRC Press/Taylor & Francis, 2011, Chapter 4).
4. Yamaura K et al. Pharmacognosy Res. 2011 Jul;3(3):173-7.
5. Stefanescu BE et al. Molecules. 2019 May 29;24(11):2046.
6. Smeriglio A et al. Mini Rev Med Chem. 2014;14(7):567-84.
7. Ando H et al. Arch Dermatol Res. 1998 Jul;290(7):375-81.
8. Burdulis D et al. Acta Pol Pharm. 2009 Jul-Aug;66(4):399-408.
9. Bornsek SM et al. Food Chem. 2012 Oct 15;134(4):1878-84.
10. Brasanac-Vukanovic S et al. Molecules. 2018 Jul 26;23(8):1864.
11. Yamaura K et al. J Food Sci. 2012 Dec;77(12):H262-7.
12. Pires TCSP et al. Curr Pharm Des. 2020;26(16):1917-28.
13. Svobodová A et al. J Dermatol Sci. 2009 Dec;56(3):196-204.
14. Calò R, Marabini L. J Photochem Photobiol B. 2014 Mar 5;132:27-35.
15. Bucci P et al. J Cosmet Dermatol. 2018 Oct;17(5):889-99.
16. Ruscinc N et al. J Cosmet Dermatol. 2022 Jan 13.
17. Environmental Working Group’s Skin Deep website. Vaccinium Myrtillus Bilberry Seed Oil. Accessed October 18, 2022.
A member of the Ericaceae family, bilberry (Vaccinium myrtillus) is native to northern Europe and North America, and its fruit is known to contain myriad polyphenols that display potent antioxidant and anti-inflammatory activity.1,2 Also known as European blueberry or whortleberry, this perennial deciduous shrub is also one of the richest sources of the polyphenolic pigments anthocyanins.3-5 Indeed, anthocyanins impart the blue/black color to bilberries and other berries and are thought to be the primary bioactive constituents of berries associated with numerous health benefits.3,6 They are also known to confer anti-allergic, anticancer, and wound healing activity.4 Overall, bilberry has also been reported to exert anti-inflammatory, lipid-lowering, and antimicrobial activity.3 In this column, the focus will be on the chemical constituents and properties of V. myrtillus that indicate potential or applicability for skin care.
Active ingredients of bilberry
Bilberry seed oil contains unsaturated fatty acids such as linoleic acid and alpha-linolenic acid, which exhibit anti-inflammatory activity and contribute to the suppression of tyrosinase. For instance, Ando et al. showed, in 1998, that linoleic and alpha-linolenic acids lighten UV-induced skin hyperpigmentation. Their in vitro experiments using cultured murine melanoma cells and in vivo study of the topical application of either acid to the UV-induced hyperpigmented dorsal skin of guinea pigs revealed pigment-lightening effects that they partly ascribed to inhibited melanin synthesis by active melanocytes and accelerated desquamation of epidermal melanin pigment.7
A 2009 comparative study of the anthocyanin composition as well as antimicrobial and antioxidant activities delivered by bilberry and blueberry fruits and their skins by Burdulis et al. revealed robust functions in both fruits. Cyanidin was found to be an active anthocyanidin in bilberry. Cultivars of both fruits demonstrated antimicrobial and antioxidant activity, with bilberry fruit skin demonstrating potent antiradical activity.8
The anthocyanins of V. myrtillus are reputed to impart protection against cardiovascular disorders, age-induced oxidative stress, inflammatory responses, and various degenerative conditions, as well ameliorate neuronal and cognitive brain functions and ocular health.6
In 2012, Bornsek et al. demonstrated that bilberry (and blueberry) anthocyanins function as potent intracellular antioxidants, which may account for their noted health benefits despite relatively low bioavailability.9
Six years later, a chemical composition study of wild bilberry found in Montenegro, Brasanac-Vukanovic et al. determined that chlorogenic acid was the most prevalent phenolic constituent, followed by protocatechuic acid, with resveratrol, isoquercetin, quercetin, and hyperoside also found to be abundant. In vitro assays indicated significant antioxidant activity exhibited by these compounds.10
Activity against allergic contact dermatitis
Yamaura et al. used a mouse model, in 2011, to determine that the anthocyanins from a bilberry extract attenuated various symptoms of chronic allergic contact dermatitis, particularly alleviating pruritus.8 A year later, Yamaura et al. used a BALB/c mouse model of allergic contact dermatitis to compare the antipruritic effect of anthocyanin-rich quality-controlled bilberry extract and anthocyanidin-rich degraded extract. The investigators found that anthocyanins, but not anthocyanidins, derived from bilberry exert an antipruritic effect, likely through their inhibitory action on mast cell degranulation. They concluded that anthocyanin-rich bilberry extract could act as an effective oral supplement to treat pruritic symptoms of skin disorders such as chronic allergic contact dermatitis and atopic dermatitis.11
Antioxidant and anti-inflammatory activity
Bilberries, consumed since ancient times, are reputed to function as potent antioxidants because of a wide array of phenolic constituents, and this fruit is gaining interest for use in pharmaceuticals.12
In 2008, Svobodová et al. assessed possible UVA preventive properties of V. myrtillus fruit extract in a human keratinocyte cell line (HaCaT), finding that pre- or posttreatment mitigated UVA-induced harm. They also observed a significant decrease in UVA-caused reactive oxygen species (ROS) formation and the prevention or attenuation of UVA-stimulated peroxidation of membrane lipids. Intracellular glutathione was also protected. The investigators attributed the array of cytoprotective effects conferred by V. myrtillus extract primarily to its constituent anthocyanins.2 A year later, they found that the phenolic fraction of V. myrtillus fruits inhibited UVB-induced damage to HaCaT keratinocytes in vitro.13
In 2014, Calò and Marabini used HaCaT keratinocytes to ascertain whether a water-soluble V. myrtillus extract could mitigate UVA- and UVB-induced damage. They found that the extract diminished UVB-induced cytotoxicity and genotoxicity at lower doses, decreasing lipid peroxidation but exerting no effect on reactive oxygen species generated by UVB. The extract attenuated genotoxicity induced by UVA as well as ROS and apoptosis. Overall, the investigators concluded that V. myrtillus extract demonstrated antioxidant activity, particularly against UVA exposure.14
Four years later, Bucci et al. developed nanoberries, an ultradeformable liposome carrying V. myrtillus ethanolic extract, and determined that the preparation could penetrate the stratum corneum safely and suggested potential for yielding protection against photodamage.15
Skin preparations
In 2021, Tadic et al. developed an oil-in-water (O/W) cream containing wild bilberry leaf extracts and seed oil. The leaves contained copious phenolic acids (particularly chlorogenic acid), flavonoids (especially isoquercetin), and resveratrol. The seed oil was rife with alpha-linolenic, linoleic, and oleic acids. The investigators conducted an in vivo study over 30 days in 25 healthy volunteers (20 women, 5 men; mean age 23.36 ± 0.64 years). They found that the O/W cream successfully increased stratum corneum hydration, enhanced skin barrier function, and maintained skin pH after topical application. The cream was also well tolerated. In vitro assays also indicated that the bilberry isolates displayed notable antioxidant capacity (stronger in the case of the leaves). Tadic et al. suggested that skin disorders characterized by oxidative stress and/or xerosis may be appropriate targets for topically applied bilberry cream.1
Early in 2022, Ruscinc et al. reported on their efforts to incorporate V. myrtillus extract into a multifunctional sunscreen. In vitro and in vivo tests revealed that while sun protection factor was lowered in the presence of the extract, the samples were safe and photostable. The researchers concluded that further study is necessary to elucidate the effect of V. myrtillus extract on photoprotection.16
V. myrtillus has been consumed by human beings for many generations. Skin care formulations based on this ingredient have not been associated with adverse events. Notably, the Environmental Working Group has rated V. myrtillus (bilberry seed) oil as very safe.17
Summary
While research, particularly in the form of randomized controlled trials, is called for,
because the fatty acids it contains have been shown to suppress tyrosinase. Currently, this botanical agent seems to be most suited for sensitive, aging skin and for skin with an uneven tone, particularly postinflammatory pigmentation and melasma.Dr. Baumann is a private practice dermatologist, researcher, author, and entrepreneur in Miami. She founded the division of cosmetic dermatology at the University of Miami in 1997. The third edition of her bestselling textbook, “Cosmetic Dermatology,” was published in 2022. Dr. Baumann has received funding for advisory boards and/or clinical research trials from Allergan, Galderma, Johnson & Johnson, and Burt’s Bees. She is the CEO of Skin Type Solutions, an SaaS company used to generate skin care routines in office and as an ecommerce solution. Write to her at [email protected].
References
1. Tadic VM et al. Antioxidants (Basel). 2021 Mar 16;10(3):465.
2. Svobodová A et al. Biofactors. 2008;33(4):249-66.
3. Chu WK et al. Bilberry (Vaccinium myrtillus L.), in Benzie IFF, Wachtel-Galor S, eds., “Herbal Medicine: Biomolecular and Clinical Aspects,” 2nd ed. (Boca Raton, Fla.: CRC Press/Taylor & Francis, 2011, Chapter 4).
4. Yamaura K et al. Pharmacognosy Res. 2011 Jul;3(3):173-7.
5. Stefanescu BE et al. Molecules. 2019 May 29;24(11):2046.
6. Smeriglio A et al. Mini Rev Med Chem. 2014;14(7):567-84.
7. Ando H et al. Arch Dermatol Res. 1998 Jul;290(7):375-81.
8. Burdulis D et al. Acta Pol Pharm. 2009 Jul-Aug;66(4):399-408.
9. Bornsek SM et al. Food Chem. 2012 Oct 15;134(4):1878-84.
10. Brasanac-Vukanovic S et al. Molecules. 2018 Jul 26;23(8):1864.
11. Yamaura K et al. J Food Sci. 2012 Dec;77(12):H262-7.
12. Pires TCSP et al. Curr Pharm Des. 2020;26(16):1917-28.
13. Svobodová A et al. J Dermatol Sci. 2009 Dec;56(3):196-204.
14. Calò R, Marabini L. J Photochem Photobiol B. 2014 Mar 5;132:27-35.
15. Bucci P et al. J Cosmet Dermatol. 2018 Oct;17(5):889-99.
16. Ruscinc N et al. J Cosmet Dermatol. 2022 Jan 13.
17. Environmental Working Group’s Skin Deep website. Vaccinium Myrtillus Bilberry Seed Oil. Accessed October 18, 2022.
Pulse oximetry unreliable for carbon monoxide diagnoses
researchers said at the annual European Emergency Medicine Congress.
A review of the literature found that the approach, while simple and easy to do, does not identify carbon monoxide poisoning almost a quarter of the time.
“This method is not accurate enough and should not be used in clinical practice,” said Mathilde Papin, MD, a researcher in the emergency department at Nantes (France) University.
Carbon monoxide poisoning is one of the world’s most common causes of poisoning deaths. When people are exposed to the colorless, odorless carbon monoxide, it enters their bloodstream and attaches to hemoglobin, a transporter of oxygen, thereby starving the body of oxygen. It can be treated with oxygen, but the problem is that its symptoms can be similar to infections, such as the flu, and can be difficult to diagnose.
A blood test is available, measuring the amount of hemoglobin that’s attached to carbon dioxide. But, the researchers said, a test is needed that can be done quickly right in the ambulance or emergency room.
“A blood test is reliable, but not practical,” Dr. Papin said.
One quick and simple method is pulse oximetry, in which a device is placed on the finger. A lower level of oxygen saturation could be a sign of oxygen displacement from carbon monoxide poisoning. However, the approach has delivered mixed results.
Researchers led a systematic review and meta-analysis and searched for all trials that compared pulse oximetry with blood tests. They found 19 and were able to combine the results of 11 of them, which amounted to data on more than 2,000 people, some with carbon monoxide poisoning and some healthy.
Pulse oximetry had a sensitivity of 77% and a specificity of 83%, with an overall accuracy of 86%. Dr. Papin said this is not good enough, pointing to the relatively low sensitivity.
“At 23%, the false negative rate with pulse oximetry is too high for reliably triaging patients with suspected carbon monoxide poisoning,” she said.
Dr. Papin noted that the findings were not all that surprising, given the experience at her own center.
“The idea of this meta-analysis came from the clinical impression that this device was not as accurate as it should be in everyday use in our ED,” she said. Pulse oximetry is also routinely used in prehospital care, she said, adding to the importance of finding an alternative approach. Dr. Papin and her team are now planning to evaluate a method of faster screening of carbon monoxide levels in the capillaries.
James Chenoweth, MD, of the department of emergency medicine at the University of California, Davis, who has researched carbon monoxide treatment, said the findings show how the clinical value of pulse oximetry is limited in this context.
“In the right clinical setting” – such as smoking inhalation – “a low oxygen saturation on pulse oximetry may suggest the need for definitive testing for CO poisoning, but it can’t be used to definitively rule in or out the presence of carboxyhemoglobin,” he said. “I wouldn’t say that it should not be used, but clinicians should be aware of the potential pitfall of being falsely reassured if the pulse oximetry is normal.”
This study did not receive any specific funding. Dr. Papin and Dr. Chenoweth have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
researchers said at the annual European Emergency Medicine Congress.
A review of the literature found that the approach, while simple and easy to do, does not identify carbon monoxide poisoning almost a quarter of the time.
“This method is not accurate enough and should not be used in clinical practice,” said Mathilde Papin, MD, a researcher in the emergency department at Nantes (France) University.
Carbon monoxide poisoning is one of the world’s most common causes of poisoning deaths. When people are exposed to the colorless, odorless carbon monoxide, it enters their bloodstream and attaches to hemoglobin, a transporter of oxygen, thereby starving the body of oxygen. It can be treated with oxygen, but the problem is that its symptoms can be similar to infections, such as the flu, and can be difficult to diagnose.
A blood test is available, measuring the amount of hemoglobin that’s attached to carbon dioxide. But, the researchers said, a test is needed that can be done quickly right in the ambulance or emergency room.
“A blood test is reliable, but not practical,” Dr. Papin said.
One quick and simple method is pulse oximetry, in which a device is placed on the finger. A lower level of oxygen saturation could be a sign of oxygen displacement from carbon monoxide poisoning. However, the approach has delivered mixed results.
Researchers led a systematic review and meta-analysis and searched for all trials that compared pulse oximetry with blood tests. They found 19 and were able to combine the results of 11 of them, which amounted to data on more than 2,000 people, some with carbon monoxide poisoning and some healthy.
Pulse oximetry had a sensitivity of 77% and a specificity of 83%, with an overall accuracy of 86%. Dr. Papin said this is not good enough, pointing to the relatively low sensitivity.
“At 23%, the false negative rate with pulse oximetry is too high for reliably triaging patients with suspected carbon monoxide poisoning,” she said.
Dr. Papin noted that the findings were not all that surprising, given the experience at her own center.
“The idea of this meta-analysis came from the clinical impression that this device was not as accurate as it should be in everyday use in our ED,” she said. Pulse oximetry is also routinely used in prehospital care, she said, adding to the importance of finding an alternative approach. Dr. Papin and her team are now planning to evaluate a method of faster screening of carbon monoxide levels in the capillaries.
James Chenoweth, MD, of the department of emergency medicine at the University of California, Davis, who has researched carbon monoxide treatment, said the findings show how the clinical value of pulse oximetry is limited in this context.
“In the right clinical setting” – such as smoking inhalation – “a low oxygen saturation on pulse oximetry may suggest the need for definitive testing for CO poisoning, but it can’t be used to definitively rule in or out the presence of carboxyhemoglobin,” he said. “I wouldn’t say that it should not be used, but clinicians should be aware of the potential pitfall of being falsely reassured if the pulse oximetry is normal.”
This study did not receive any specific funding. Dr. Papin and Dr. Chenoweth have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
researchers said at the annual European Emergency Medicine Congress.
A review of the literature found that the approach, while simple and easy to do, does not identify carbon monoxide poisoning almost a quarter of the time.
“This method is not accurate enough and should not be used in clinical practice,” said Mathilde Papin, MD, a researcher in the emergency department at Nantes (France) University.
Carbon monoxide poisoning is one of the world’s most common causes of poisoning deaths. When people are exposed to the colorless, odorless carbon monoxide, it enters their bloodstream and attaches to hemoglobin, a transporter of oxygen, thereby starving the body of oxygen. It can be treated with oxygen, but the problem is that its symptoms can be similar to infections, such as the flu, and can be difficult to diagnose.
A blood test is available, measuring the amount of hemoglobin that’s attached to carbon dioxide. But, the researchers said, a test is needed that can be done quickly right in the ambulance or emergency room.
“A blood test is reliable, but not practical,” Dr. Papin said.
One quick and simple method is pulse oximetry, in which a device is placed on the finger. A lower level of oxygen saturation could be a sign of oxygen displacement from carbon monoxide poisoning. However, the approach has delivered mixed results.
Researchers led a systematic review and meta-analysis and searched for all trials that compared pulse oximetry with blood tests. They found 19 and were able to combine the results of 11 of them, which amounted to data on more than 2,000 people, some with carbon monoxide poisoning and some healthy.
Pulse oximetry had a sensitivity of 77% and a specificity of 83%, with an overall accuracy of 86%. Dr. Papin said this is not good enough, pointing to the relatively low sensitivity.
“At 23%, the false negative rate with pulse oximetry is too high for reliably triaging patients with suspected carbon monoxide poisoning,” she said.
Dr. Papin noted that the findings were not all that surprising, given the experience at her own center.
“The idea of this meta-analysis came from the clinical impression that this device was not as accurate as it should be in everyday use in our ED,” she said. Pulse oximetry is also routinely used in prehospital care, she said, adding to the importance of finding an alternative approach. Dr. Papin and her team are now planning to evaluate a method of faster screening of carbon monoxide levels in the capillaries.
James Chenoweth, MD, of the department of emergency medicine at the University of California, Davis, who has researched carbon monoxide treatment, said the findings show how the clinical value of pulse oximetry is limited in this context.
“In the right clinical setting” – such as smoking inhalation – “a low oxygen saturation on pulse oximetry may suggest the need for definitive testing for CO poisoning, but it can’t be used to definitively rule in or out the presence of carboxyhemoglobin,” he said. “I wouldn’t say that it should not be used, but clinicians should be aware of the potential pitfall of being falsely reassured if the pulse oximetry is normal.”
This study did not receive any specific funding. Dr. Papin and Dr. Chenoweth have disclosed no relevant financial relationships.
A version of this article first appeared on Medscape.com.
FROM EUSEM 2022
Diabetes becoming less potent risk factor for CVD events
Diabetes persists as a risk factor for cardiovascular events, but where it once meant the same risk of heart attack or stroke as cardiovascular disease itself, a large Canadian population study reports that’s no longer the case. Thanks to advances in diabetes management over the past quarter century, diabetes is no longer considered equivalent to CVD as a risk factor for cardiovascular events, researchers from the University of Toronto reported.
The retrospective, population-based study used administrative data from Ontario’s provincial universal health care system. The researchers created five population-based cohorts of adults at 5-year intervals from 1994 to 2014, consisting of 1.87 million adults in the first cohort and 1.5 million in the last. In that 20-year span, the prevalence of diabetes in this population tripled, from 3.1% to 9%.
“In the last 25 years we’ve seen wholesale changes in the way people approach diabetes,” lead study author Calvin Ke, MD, PhD, an endocrinologist and assistant professor at the University of Toronto, said in an interview. “Part of the findings show that diabetes and cardiovascular disease were equivalent for risk of cardiovascular events in 1994, but by 2014 that was not the case.”
However, Dr. Ke added, “Diabetes is still a very strong cardiovascular risk factor.”
The investigators for the study, reported as a research letter in JAMA, analyzed the risk of cardiovascular events in four subgroups: those who had both diabetes and CVD, CVD only, diabetes only, and no CVD or diabetes.
Between 1994 and 2014, the cardiovascular event rates declined significantly among people with diabetes alone, compared with people with no disease: from 28.4 to 12.7 per 1,000 person-years, or an absolute risk increase (ARI) of 4.4% and a relative risk (RR) more than double (2.06), in 1994 to 14 vs. 8 per 1,000 person-years, and an ARI of 2% and RR less than double (1.58) 20 years later.
Among people with CVD only, those values shifted from 36.1 per 1,000 person-years, ARI of 5.1% and RR of 2.16 in 1994 to 23.9, ARI of 3.7% and RR still more than double (2.06) in 2014.
People with both CVD and diabetes had the highest CVD event rates across all 5-year cohorts: 74 per 1,000 person-years, ARI of 12% and RR almost four times greater (3.81) in 1994 than people with no disease. By 2014, the ARI in this group was 7.6% and the RR 3.10.
The investigators calculated that event rates from 1994 to 2014 declined across all four subgroups, with rate ratios of 0.49 for diabetes only, 0.66 for CVD only, 0.60 for both diabetes and CVD, and 0.63 for neither disease.
Shift in practice
The study noted that the shift in diabetes as a risk factor for heart attack and stroke is “a change that likely reflects the use of modern, multifactorial approaches to diabetes.”
“A number of changes have occurred in practice that really focus on this idea of a multifactorial approach to diabetes: more aggressive management of blood sugar, blood pressure, and lipids,” Dr. Ke said. “We know from the statin trials that statins can reduce the risk of heart disease significantly, and the use of statins increased from 28.4% in 1999 to 56.3% in 2018 in the United States,” Dr. Ke said. He added that statin use in Canada in adults ages 40 and older went from 1.2% in 1994 to 58.4% in 2010-2015. Use of ACE inhibitors and angiotensin receptor blockers for hypertension followed similar trends, contributing further to reducing risks for heart attack and stroke, Dr. Ke said.
Dr. Ke also noted that the evolution of guidelines and advances in treatments for both CVD and diabetes since 1994 have contributed to improving risks for people with diabetes. SGLT2 inhibitors have been linked to a 2%-6% reduction in hemoglobin A1c, he said. “All of these factors combined have had a major effect on the reduced risk of cardiovascular events.”
Prakash Deedwania, MD, professor at the University of California, San Francisco, Fresno, said that this study confirms a trend that others have reported regarding the risk of CVD in diabetes. The large database covering millions of adults is a study strength, he said.
And the findings, Dr. Deedwania added, underscore what’s been published in clinical guidelines, notably the American Heart Association scientific statement for managing CVD risk in patients with diabetes. “This means that, from observations made 20-plus years ago, when most people were not being treated for diabetes or heart disease, the pendulum has swung,” he said.
However, he added, “The authors state clearly that it does not mean that diabetes is not associated with a higher risk of cardiovascular events; it just means it is no longer equivalent to CVD.”
Managing diabetes continues to be “particularly important,” Dr. Deedwania said, because the prevalence of diabetes continues to rise. “This is a phenomenal risk, and it emphasizes that, to really conquer or control diabetes, we should make every effort to prevent diabetes,” he said.
Dr. Ke and Dr. Deedwania have no relevant financial relationships to disclose.
Diabetes persists as a risk factor for cardiovascular events, but where it once meant the same risk of heart attack or stroke as cardiovascular disease itself, a large Canadian population study reports that’s no longer the case. Thanks to advances in diabetes management over the past quarter century, diabetes is no longer considered equivalent to CVD as a risk factor for cardiovascular events, researchers from the University of Toronto reported.
The retrospective, population-based study used administrative data from Ontario’s provincial universal health care system. The researchers created five population-based cohorts of adults at 5-year intervals from 1994 to 2014, consisting of 1.87 million adults in the first cohort and 1.5 million in the last. In that 20-year span, the prevalence of diabetes in this population tripled, from 3.1% to 9%.
“In the last 25 years we’ve seen wholesale changes in the way people approach diabetes,” lead study author Calvin Ke, MD, PhD, an endocrinologist and assistant professor at the University of Toronto, said in an interview. “Part of the findings show that diabetes and cardiovascular disease were equivalent for risk of cardiovascular events in 1994, but by 2014 that was not the case.”
However, Dr. Ke added, “Diabetes is still a very strong cardiovascular risk factor.”
The investigators for the study, reported as a research letter in JAMA, analyzed the risk of cardiovascular events in four subgroups: those who had both diabetes and CVD, CVD only, diabetes only, and no CVD or diabetes.
Between 1994 and 2014, the cardiovascular event rates declined significantly among people with diabetes alone, compared with people with no disease: from 28.4 to 12.7 per 1,000 person-years, or an absolute risk increase (ARI) of 4.4% and a relative risk (RR) more than double (2.06), in 1994 to 14 vs. 8 per 1,000 person-years, and an ARI of 2% and RR less than double (1.58) 20 years later.
Among people with CVD only, those values shifted from 36.1 per 1,000 person-years, ARI of 5.1% and RR of 2.16 in 1994 to 23.9, ARI of 3.7% and RR still more than double (2.06) in 2014.
People with both CVD and diabetes had the highest CVD event rates across all 5-year cohorts: 74 per 1,000 person-years, ARI of 12% and RR almost four times greater (3.81) in 1994 than people with no disease. By 2014, the ARI in this group was 7.6% and the RR 3.10.
The investigators calculated that event rates from 1994 to 2014 declined across all four subgroups, with rate ratios of 0.49 for diabetes only, 0.66 for CVD only, 0.60 for both diabetes and CVD, and 0.63 for neither disease.
Shift in practice
The study noted that the shift in diabetes as a risk factor for heart attack and stroke is “a change that likely reflects the use of modern, multifactorial approaches to diabetes.”
“A number of changes have occurred in practice that really focus on this idea of a multifactorial approach to diabetes: more aggressive management of blood sugar, blood pressure, and lipids,” Dr. Ke said. “We know from the statin trials that statins can reduce the risk of heart disease significantly, and the use of statins increased from 28.4% in 1999 to 56.3% in 2018 in the United States,” Dr. Ke said. He added that statin use in Canada in adults ages 40 and older went from 1.2% in 1994 to 58.4% in 2010-2015. Use of ACE inhibitors and angiotensin receptor blockers for hypertension followed similar trends, contributing further to reducing risks for heart attack and stroke, Dr. Ke said.
Dr. Ke also noted that the evolution of guidelines and advances in treatments for both CVD and diabetes since 1994 have contributed to improving risks for people with diabetes. SGLT2 inhibitors have been linked to a 2%-6% reduction in hemoglobin A1c, he said. “All of these factors combined have had a major effect on the reduced risk of cardiovascular events.”
Prakash Deedwania, MD, professor at the University of California, San Francisco, Fresno, said that this study confirms a trend that others have reported regarding the risk of CVD in diabetes. The large database covering millions of adults is a study strength, he said.
And the findings, Dr. Deedwania added, underscore what’s been published in clinical guidelines, notably the American Heart Association scientific statement for managing CVD risk in patients with diabetes. “This means that, from observations made 20-plus years ago, when most people were not being treated for diabetes or heart disease, the pendulum has swung,” he said.
However, he added, “The authors state clearly that it does not mean that diabetes is not associated with a higher risk of cardiovascular events; it just means it is no longer equivalent to CVD.”
Managing diabetes continues to be “particularly important,” Dr. Deedwania said, because the prevalence of diabetes continues to rise. “This is a phenomenal risk, and it emphasizes that, to really conquer or control diabetes, we should make every effort to prevent diabetes,” he said.
Dr. Ke and Dr. Deedwania have no relevant financial relationships to disclose.
Diabetes persists as a risk factor for cardiovascular events, but where it once meant the same risk of heart attack or stroke as cardiovascular disease itself, a large Canadian population study reports that’s no longer the case. Thanks to advances in diabetes management over the past quarter century, diabetes is no longer considered equivalent to CVD as a risk factor for cardiovascular events, researchers from the University of Toronto reported.
The retrospective, population-based study used administrative data from Ontario’s provincial universal health care system. The researchers created five population-based cohorts of adults at 5-year intervals from 1994 to 2014, consisting of 1.87 million adults in the first cohort and 1.5 million in the last. In that 20-year span, the prevalence of diabetes in this population tripled, from 3.1% to 9%.
“In the last 25 years we’ve seen wholesale changes in the way people approach diabetes,” lead study author Calvin Ke, MD, PhD, an endocrinologist and assistant professor at the University of Toronto, said in an interview. “Part of the findings show that diabetes and cardiovascular disease were equivalent for risk of cardiovascular events in 1994, but by 2014 that was not the case.”
However, Dr. Ke added, “Diabetes is still a very strong cardiovascular risk factor.”
The investigators for the study, reported as a research letter in JAMA, analyzed the risk of cardiovascular events in four subgroups: those who had both diabetes and CVD, CVD only, diabetes only, and no CVD or diabetes.
Between 1994 and 2014, the cardiovascular event rates declined significantly among people with diabetes alone, compared with people with no disease: from 28.4 to 12.7 per 1,000 person-years, or an absolute risk increase (ARI) of 4.4% and a relative risk (RR) more than double (2.06), in 1994 to 14 vs. 8 per 1,000 person-years, and an ARI of 2% and RR less than double (1.58) 20 years later.
Among people with CVD only, those values shifted from 36.1 per 1,000 person-years, ARI of 5.1% and RR of 2.16 in 1994 to 23.9, ARI of 3.7% and RR still more than double (2.06) in 2014.
People with both CVD and diabetes had the highest CVD event rates across all 5-year cohorts: 74 per 1,000 person-years, ARI of 12% and RR almost four times greater (3.81) in 1994 than people with no disease. By 2014, the ARI in this group was 7.6% and the RR 3.10.
The investigators calculated that event rates from 1994 to 2014 declined across all four subgroups, with rate ratios of 0.49 for diabetes only, 0.66 for CVD only, 0.60 for both diabetes and CVD, and 0.63 for neither disease.
Shift in practice
The study noted that the shift in diabetes as a risk factor for heart attack and stroke is “a change that likely reflects the use of modern, multifactorial approaches to diabetes.”
“A number of changes have occurred in practice that really focus on this idea of a multifactorial approach to diabetes: more aggressive management of blood sugar, blood pressure, and lipids,” Dr. Ke said. “We know from the statin trials that statins can reduce the risk of heart disease significantly, and the use of statins increased from 28.4% in 1999 to 56.3% in 2018 in the United States,” Dr. Ke said. He added that statin use in Canada in adults ages 40 and older went from 1.2% in 1994 to 58.4% in 2010-2015. Use of ACE inhibitors and angiotensin receptor blockers for hypertension followed similar trends, contributing further to reducing risks for heart attack and stroke, Dr. Ke said.
Dr. Ke also noted that the evolution of guidelines and advances in treatments for both CVD and diabetes since 1994 have contributed to improving risks for people with diabetes. SGLT2 inhibitors have been linked to a 2%-6% reduction in hemoglobin A1c, he said. “All of these factors combined have had a major effect on the reduced risk of cardiovascular events.”
Prakash Deedwania, MD, professor at the University of California, San Francisco, Fresno, said that this study confirms a trend that others have reported regarding the risk of CVD in diabetes. The large database covering millions of adults is a study strength, he said.
And the findings, Dr. Deedwania added, underscore what’s been published in clinical guidelines, notably the American Heart Association scientific statement for managing CVD risk in patients with diabetes. “This means that, from observations made 20-plus years ago, when most people were not being treated for diabetes or heart disease, the pendulum has swung,” he said.
However, he added, “The authors state clearly that it does not mean that diabetes is not associated with a higher risk of cardiovascular events; it just means it is no longer equivalent to CVD.”
Managing diabetes continues to be “particularly important,” Dr. Deedwania said, because the prevalence of diabetes continues to rise. “This is a phenomenal risk, and it emphasizes that, to really conquer or control diabetes, we should make every effort to prevent diabetes,” he said.
Dr. Ke and Dr. Deedwania have no relevant financial relationships to disclose.
FROM JAMA