Inmate Falls From Top Bunk

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The radiograph demonstrates no acute osseous injury, such as fracture or dislocation. Of interest and note is increased sclerosis within both femoral heads, more so on the left versus the right side. Given the patient’s young age, such findings could be related to early avascular necrosis. His clinical symptoms certainly correlate. MRI or bone scan, as well as orthopedic evaluation, is warranted in such a case. 

Fortunately, subsequent MRI of both hips did not show any avascular necrosis but rather osteoarthritic changes. The MRI of his spinal column was negative as well.

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ANSWER

The radiograph demonstrates no acute osseous injury, such as fracture or dislocation. Of interest and note is increased sclerosis within both femoral heads, more so on the left versus the right side. Given the patient’s young age, such findings could be related to early avascular necrosis. His clinical symptoms certainly correlate. MRI or bone scan, as well as orthopedic evaluation, is warranted in such a case. 

Fortunately, subsequent MRI of both hips did not show any avascular necrosis but rather osteoarthritic changes. The MRI of his spinal column was negative as well.

ANSWER

The radiograph demonstrates no acute osseous injury, such as fracture or dislocation. Of interest and note is increased sclerosis within both femoral heads, more so on the left versus the right side. Given the patient’s young age, such findings could be related to early avascular necrosis. His clinical symptoms certainly correlate. MRI or bone scan, as well as orthopedic evaluation, is warranted in such a case. 

Fortunately, subsequent MRI of both hips did not show any avascular necrosis but rather osteoarthritic changes. The MRI of his spinal column was negative as well.

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A 30-year-old man is transferred to your facility for evaluation of reported paraplegia after a fall. The patient is an inmate at a local prison. He states he was sleeping on the top bunk when he rolled over and fell off the bed, landing flat on his back on the concrete floor. He immediately started having severe back and hip pain and noticed that he could not move his legs. His primary complaint is severe bilateral hip pain. He was initially evaluated at an outside hospital, where CT of his head, cervical spine, and lumbar spine was negative for any acute pathology. He was sent to your facility for an MRI to rule out contusion or acute herniated disc. The patient denies any significant medical history, including back trauma. Currently, he reports no bowel/bladder issues or saddle anesthesia. On initial exam, he is awake, alert, and oriented, with normal vital signs. Musculoskeletal exam demonstrates a moderate amount of paraspinous tenderness and bilateral hip/pelvis tenderness. There is no instability detected, nor any leg shortening or rotation. He does have bilateral weakness in both lower extremities on the magnitude of 3-/5, although his exam seems limited due to the severity of his hip pain. Sensation is completely intact in both lower extremities. While the patient is awaiting his MRI, you order a portable pelvis radiograph, since none was performed at the outside facility. What is your impression?
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Healthy and Active, but Getting Fatigued

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Healthy and Active, but Getting Fatigued

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The correct interpretation of this ECG includes sinus bradycardia with marked sinus arrhythmia and junctional escape beats with sinus arrest. An intraventricular conduction defect is also present. 

Sinus bradycardia is indicated by the normal PQRST complexes at a rate of less than 60 beats/min. A marked sinus arrhythmia is ­evidenced by more than one pause (between third and fourth beats and seventh and eighth beats on the lead I rhythm strip) on the ECG. 

Sinus arrest occurs when the sinus node fails to conduct (absence of P wave during the interval of the pause). A normal QRS complex without a preceding P wave indicates a junctional escape beat. Finally, an intraventricular conduction defect is documented by a QRS duration ≥ 110 ms in the absence of a right or left bundle branch block.

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Lyle W. Larson, PhD, PA-C, is clinical faculty in the Department of Medicine, Division of Cardiology, Cardiac Electrophysiology, at the University of Washington, ­Seattle.

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Lyle W. Larson, PhD, PA-C, is clinical faculty in the Department of Medicine, Division of Cardiology, Cardiac Electrophysiology, at the University of Washington, ­Seattle.

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ANSWER

The correct interpretation of this ECG includes sinus bradycardia with marked sinus arrhythmia and junctional escape beats with sinus arrest. An intraventricular conduction defect is also present. 

Sinus bradycardia is indicated by the normal PQRST complexes at a rate of less than 60 beats/min. A marked sinus arrhythmia is ­evidenced by more than one pause (between third and fourth beats and seventh and eighth beats on the lead I rhythm strip) on the ECG. 

Sinus arrest occurs when the sinus node fails to conduct (absence of P wave during the interval of the pause). A normal QRS complex without a preceding P wave indicates a junctional escape beat. Finally, an intraventricular conduction defect is documented by a QRS duration ≥ 110 ms in the absence of a right or left bundle branch block.

ANSWER

The correct interpretation of this ECG includes sinus bradycardia with marked sinus arrhythmia and junctional escape beats with sinus arrest. An intraventricular conduction defect is also present. 

Sinus bradycardia is indicated by the normal PQRST complexes at a rate of less than 60 beats/min. A marked sinus arrhythmia is ­evidenced by more than one pause (between third and fourth beats and seventh and eighth beats on the lead I rhythm strip) on the ECG. 

Sinus arrest occurs when the sinus node fails to conduct (absence of P wave during the interval of the pause). A normal QRS complex without a preceding P wave indicates a junctional escape beat. Finally, an intraventricular conduction defect is documented by a QRS duration ≥ 110 ms in the absence of a right or left bundle branch block.

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A 68-year-old retired high school teacher became fatigued while doing yardwork. After sitting down to rest, he noticed that his heart seemed to be skipping beats. He asked his daughter, a pediatric nurse, to come over and check his pulse. She confirmed his suspicion and recommended he go to the emergency department. The patient refused but made an appointment to see his primary care provider. Since you are covering for his usual provider (who is on maternity leave), the patient presents to you. Review of his chart indicates that he has been healthy and active his entire life and has never had any cardiac issues. He does not have hypertension, diabetes, hypothyroidism, or pulmonary problems. His history includes GERD, kidney stones, hyperlipidemia, and a fractured left clavicle. All immunizations and tetanus booster are current. The patient denies any history of chest pain, dyspnea, syncope, near-syncope, palpitations, or other heart rhythm issues (eg, tachycardia, bradycardia, or atrial fibrillation). His last ECG, performed three years ago during a routine visit, showed normal sinus rhythm with normal intervals and no evidence of chamber enlargement; hypertrophy; arrhythmia; P, QRS, or QT interval abnormalities; or blocks. His current medications include esomeprazole magnesium, simvastatin, niacin, and aspirin. He denies illicit or homeopathic drug use and has no known drug allergies. He is a widower who does not drink alcohol or smoke cigarettes. Vital signs include a blood pressure of 108/58 mm Hg; pulse, 60 beats/min with occasional pauses; respiratory rate, 14 breaths/min-1; O2 saturation, 98% on room air; and temperature, 98.9°F. His weight is 169 lb and his height, 74 in. Physical exam reveals a tall, thin, healthy-appearing male in no distress. The HEENT exam is remarkable only for corrective lenses. There is no thyromegaly, jugular venous distention, or lymphadenopathy. The lungs are clear in all fields. The cardiac exam reveals a regular rhythm with occasional pauses and no evidence of murmurs, rubs, or extra heart sounds. The abdomen is soft and nontender, without evidence of organomegaly or masses. The peripheral pulses are 2+ bilaterally in all extremities, and the neurologic exam is intact. An ECG is performed, which reveals a ventricular rate of 55 beats/min; PR interval, 146 ms; QRS duration, 122 ms; QT/QTc interval, 424/405 ms; P axis, 60°; R axis, 38°; and T axis, 29°. What is your interpretation of this ECG?

 

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Sleep restriction therapy

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The video associated with this article is no longer available on this site. Please view all of our videos on the MDedge YouTube channel
 
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The Value of Certainty in Diagnosis

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For a number of reasons (discussed more fully below), the correct answer is to follow up with the pathologist (choice “c”); the biopsying provider, who is the only person to have seen the lesion, is responsible for resolving any discordance between the report and the clinical presentation/appearance.

Simply accepting the report as fact and notifying the patient of the result (choice “a”) is unacceptable. Removing more tissue from the base of the site (choice “b”) is not likely to provide any useful clinical information. Watching the site for change (choice “d”) ignores the possibility that the original lesion has already spread.

DISCUSSION

Skin tags, also known as fibroepithelioma or acrochorda, are extremely common, benign lesions encountered daily by almost all medical providers. Melanoma in tag form is decidedly unusual, but far from unknown. Around 80% of melanomas are essentially flat (macular), and about 10% are nodular. The rest, from a morphologic standpoint, are all over the map. They can be red, blue, and even white. Contrary to popular misconception, they rarely itch, and you probably wouldn’t want to depend on your dog to alert you to their presence.

My point? Although we conceive of melanomas as looking a certain way (a useful and nec­essary view), the reality is that their morphologic presentations are astonishingly diverse. They include pedunculated tags.

This means that unless we have a very good reason to do otherwise, we should send almost every skin lesion we remove for pathologic examination. Simple, small tags, warts, and the like can be safely discarded. But anything of substance, or anything that appears to be the least bit odd, must be submitted to pathology.

Furthermore, the pathology reports must be carefully read and the results connected to the particular lesion. This case illustrates that necessity nicely. With its black tip, this lesion was more than a little worrisome. When no mention was made of the pigmentary changes, a call to the pathologist was in order.

In this case, the pathologist was more than happy to order new and deeper cuts to be made in the specimen. Within two days, he issued a new report, which showed benign nevoid changes that explained the dark pigment and failed to show any atypia. Then, and only then, were we able to give the results to the patient.

This principle can be extrapolated to results from other types of tests. They are not to be accepted blindly by the ordering provider, who is in the unique position of having seen the patient.

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Joe R. Monroe, MPAS, PA, ­practices at Dawkins ­Dermatology Clinic in Oklahoma City. He is also the founder of the Society of ­Dermatology ­Physician ­Assistants.

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Joe R. Monroe, MPAS, PA, ­practices at Dawkins ­Dermatology Clinic in Oklahoma City. He is also the founder of the Society of ­Dermatology ­Physician ­Assistants.

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Joe R. Monroe, MPAS, PA, ­practices at Dawkins ­Dermatology Clinic in Oklahoma City. He is also the founder of the Society of ­Dermatology ­Physician ­Assistants.

ANSWER

For a number of reasons (discussed more fully below), the correct answer is to follow up with the pathologist (choice “c”); the biopsying provider, who is the only person to have seen the lesion, is responsible for resolving any discordance between the report and the clinical presentation/appearance.

Simply accepting the report as fact and notifying the patient of the result (choice “a”) is unacceptable. Removing more tissue from the base of the site (choice “b”) is not likely to provide any useful clinical information. Watching the site for change (choice “d”) ignores the possibility that the original lesion has already spread.

DISCUSSION

Skin tags, also known as fibroepithelioma or acrochorda, are extremely common, benign lesions encountered daily by almost all medical providers. Melanoma in tag form is decidedly unusual, but far from unknown. Around 80% of melanomas are essentially flat (macular), and about 10% are nodular. The rest, from a morphologic standpoint, are all over the map. They can be red, blue, and even white. Contrary to popular misconception, they rarely itch, and you probably wouldn’t want to depend on your dog to alert you to their presence.

My point? Although we conceive of melanomas as looking a certain way (a useful and nec­essary view), the reality is that their morphologic presentations are astonishingly diverse. They include pedunculated tags.

This means that unless we have a very good reason to do otherwise, we should send almost every skin lesion we remove for pathologic examination. Simple, small tags, warts, and the like can be safely discarded. But anything of substance, or anything that appears to be the least bit odd, must be submitted to pathology.

Furthermore, the pathology reports must be carefully read and the results connected to the particular lesion. This case illustrates that necessity nicely. With its black tip, this lesion was more than a little worrisome. When no mention was made of the pigmentary changes, a call to the pathologist was in order.

In this case, the pathologist was more than happy to order new and deeper cuts to be made in the specimen. Within two days, he issued a new report, which showed benign nevoid changes that explained the dark pigment and failed to show any atypia. Then, and only then, were we able to give the results to the patient.

This principle can be extrapolated to results from other types of tests. They are not to be accepted blindly by the ordering provider, who is in the unique position of having seen the patient.

ANSWER

For a number of reasons (discussed more fully below), the correct answer is to follow up with the pathologist (choice “c”); the biopsying provider, who is the only person to have seen the lesion, is responsible for resolving any discordance between the report and the clinical presentation/appearance.

Simply accepting the report as fact and notifying the patient of the result (choice “a”) is unacceptable. Removing more tissue from the base of the site (choice “b”) is not likely to provide any useful clinical information. Watching the site for change (choice “d”) ignores the possibility that the original lesion has already spread.

DISCUSSION

Skin tags, also known as fibroepithelioma or acrochorda, are extremely common, benign lesions encountered daily by almost all medical providers. Melanoma in tag form is decidedly unusual, but far from unknown. Around 80% of melanomas are essentially flat (macular), and about 10% are nodular. The rest, from a morphologic standpoint, are all over the map. They can be red, blue, and even white. Contrary to popular misconception, they rarely itch, and you probably wouldn’t want to depend on your dog to alert you to their presence.

My point? Although we conceive of melanomas as looking a certain way (a useful and nec­essary view), the reality is that their morphologic presentations are astonishingly diverse. They include pedunculated tags.

This means that unless we have a very good reason to do otherwise, we should send almost every skin lesion we remove for pathologic examination. Simple, small tags, warts, and the like can be safely discarded. But anything of substance, or anything that appears to be the least bit odd, must be submitted to pathology.

Furthermore, the pathology reports must be carefully read and the results connected to the particular lesion. This case illustrates that necessity nicely. With its black tip, this lesion was more than a little worrisome. When no mention was made of the pigmentary changes, a call to the pathologist was in order.

In this case, the pathologist was more than happy to order new and deeper cuts to be made in the specimen. Within two days, he issued a new report, which showed benign nevoid changes that explained the dark pigment and failed to show any atypia. Then, and only then, were we able to give the results to the patient.

This principle can be extrapolated to results from other types of tests. They are not to be accepted blindly by the ordering provider, who is in the unique position of having seen the patient.

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A 48-year-old woman self-refers to dermatology for evaluation of several relatively minor skin problems. One of them is a taglike lesion on the skin of her low back. Present for years, it has begun to bother her a bit; it rubs against her clothes and is occasionally traumatized enough to bleed. The patient isn’t worried about it but does want it removed. Her history is unremarkable, with no personal or family history of skin cancer. She is fair and tolerates the sun poorly, but for that reason she has limited her sun exposure throughout her life. The lesion is a 5 x 6–mm taglike nodule located in the midline of her low back. At first glance, it appears to be traumatized. But on closer inspection, the distal half of the lesion is simply black, with indistinct margins. On palpation, the lesion is firmer than most tags but nontender. A few drops of lidocaine with epinephrine are injected into the base of the lesion, which is then saucerized. Minor bleeding is easily controlled by electrocautery, and the lesion is submitted to pathology. The resultant report shows a simple benign tag. No explanation for the darker portion of the lesion is given.

 

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Survey: Most average-risk pregnant women preferred NIPT to invasive testing

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When 95 women from Wright-Patterson Air Force Base in Ohio were surveyed about their views of noninvasive prenatal testing (NIPT) versus invasive screening, more than 60% of respondents said they would choose NIPT or no invasive testing if ultrasound screening, a quad screen, or conventional first-trimester screening revealed an abnormality. One-third of respondents said they would likely undergo invasive testing if NIPT results were abnormal, and more than 50% of women in this group reported that the results might influence their decision to continue the pregnancy.

The survey results were presented as a poster at the 2014 American College of Obstetricians and Gynecologists (ACOG) annual clinical meeting in Chicago.1

All patients attended a group prenatal genetic counseling session led by a single provider in early pregnancy before completing the survey.

The military population surveyed in this study “as a whole is a little bit skewed in race and education,” said Jacqueline Vidosh, MD, a coauthor of the study. That population was predominantly white, with the majority of women having completed at least some college.”

“The nice thing about a military population, however, is that you capture geographical differences, which is a lot harder to do on a small scale,” said Dr. Vidosh.

Andrea Shields, MD, provided the genetic counseling education for the study.

“My class lasted anywhere from 75 minutes to about 90 minutes,” she said, “so it was a considerable time that we took, but it wasn’t specifically devoted to NIPT. That portion took about 10 minutes. But it was introducing them to prenatal diagnosis and screening that took a while, so I think there has to be a large focus on education for any type of prenatal test. Pretest education is extremely important, especially when we’re trying to introduce this technology.”

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING

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Adding infertility assessment and treatment to your practice

Delivery notes after shoulder dystocia often lack critical elements

Why it’s important to open the sexual health dialogue

References

Reference

Shields A, Vidosh J. Average-risk pregnant patient perspectives on noninvasive prenatal testing. Poster presented at the 2014 ACOG Annual Clinical Meeting, April 28, 2014, in Chicago, Illinois.

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When 95 women from Wright-Patterson Air Force Base in Ohio were surveyed about their views of noninvasive prenatal testing (NIPT) versus invasive screening, more than 60% of respondents said they would choose NIPT or no invasive testing if ultrasound screening, a quad screen, or conventional first-trimester screening revealed an abnormality. One-third of respondents said they would likely undergo invasive testing if NIPT results were abnormal, and more than 50% of women in this group reported that the results might influence their decision to continue the pregnancy.

The survey results were presented as a poster at the 2014 American College of Obstetricians and Gynecologists (ACOG) annual clinical meeting in Chicago.1

All patients attended a group prenatal genetic counseling session led by a single provider in early pregnancy before completing the survey.

The military population surveyed in this study “as a whole is a little bit skewed in race and education,” said Jacqueline Vidosh, MD, a coauthor of the study. That population was predominantly white, with the majority of women having completed at least some college.”

“The nice thing about a military population, however, is that you capture geographical differences, which is a lot harder to do on a small scale,” said Dr. Vidosh.

Andrea Shields, MD, provided the genetic counseling education for the study.

“My class lasted anywhere from 75 minutes to about 90 minutes,” she said, “so it was a considerable time that we took, but it wasn’t specifically devoted to NIPT. That portion took about 10 minutes. But it was introducing them to prenatal diagnosis and screening that took a while, so I think there has to be a large focus on education for any type of prenatal test. Pretest education is extremely important, especially when we’re trying to introduce this technology.”

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING

Ospemifene found to have minimal effects on the endometrium at 52 weeks

Adding infertility assessment and treatment to your practice

Delivery notes after shoulder dystocia often lack critical elements

Why it’s important to open the sexual health dialogue

When 95 women from Wright-Patterson Air Force Base in Ohio were surveyed about their views of noninvasive prenatal testing (NIPT) versus invasive screening, more than 60% of respondents said they would choose NIPT or no invasive testing if ultrasound screening, a quad screen, or conventional first-trimester screening revealed an abnormality. One-third of respondents said they would likely undergo invasive testing if NIPT results were abnormal, and more than 50% of women in this group reported that the results might influence their decision to continue the pregnancy.

The survey results were presented as a poster at the 2014 American College of Obstetricians and Gynecologists (ACOG) annual clinical meeting in Chicago.1

All patients attended a group prenatal genetic counseling session led by a single provider in early pregnancy before completing the survey.

The military population surveyed in this study “as a whole is a little bit skewed in race and education,” said Jacqueline Vidosh, MD, a coauthor of the study. That population was predominantly white, with the majority of women having completed at least some college.”

“The nice thing about a military population, however, is that you capture geographical differences, which is a lot harder to do on a small scale,” said Dr. Vidosh.

Andrea Shields, MD, provided the genetic counseling education for the study.

“My class lasted anywhere from 75 minutes to about 90 minutes,” she said, “so it was a considerable time that we took, but it wasn’t specifically devoted to NIPT. That portion took about 10 minutes. But it was introducing them to prenatal diagnosis and screening that took a while, so I think there has to be a large focus on education for any type of prenatal test. Pretest education is extremely important, especially when we’re trying to introduce this technology.”

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING

Ospemifene found to have minimal effects on the endometrium at 52 weeks

Adding infertility assessment and treatment to your practice

Delivery notes after shoulder dystocia often lack critical elements

Why it’s important to open the sexual health dialogue

References

Reference

Shields A, Vidosh J. Average-risk pregnant patient perspectives on noninvasive prenatal testing. Poster presented at the 2014 ACOG Annual Clinical Meeting, April 28, 2014, in Chicago, Illinois.

References

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Shields A, Vidosh J. Average-risk pregnant patient perspectives on noninvasive prenatal testing. Poster presented at the 2014 ACOG Annual Clinical Meeting, April 28, 2014, in Chicago, Illinois.

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Delivery notes after shoulder dystocia often lack critical elements

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Shoulder dystocia is a leading cause of litigation in obstetrics, and the delivery note is an indispensable tool in the defense of a case. When investigators from the University of Southern California analyzed 66 delivery notes to determine how many of 20 intrapartum elements were covered, they found that an average of 11 (58%) were documented. No note included all 20 element.

The study was presented as a poster at the 2014 American College of Obstetricians and Gynecologists annual clinical meeting in Chicago.1

The 20 elements and their frequency of documentation were:

  • date – 96%
  • time – 96%
  • maneuvers used to achieve delivery – 91%
  • order of maneuvers – 89%
  • maternal gravidity and parity – 86%
  • mode of delivery – 86%
  • Apgar scores – 80%
  • type of perineal laceration – 80%
  • infant birth weight – 77%
  • resident provider – 75%
  • head-to-body interval – 58%
  • cord gases – 53%
  • attending provider – 46%
  • whether episiotomy was performed – 39%
  • application of gentle downward traction – 31%
  • movement of the infant’s extremities after delivery – 30%
  • which shoulder was anterior – 21%
  • whether the patient was informed of the shoulder dystocia – 4%
  • adequacy of maternal pelvis – 2%
  • lack of fundal pressure – 1%.

Investigators recommended that providers implement use of a standard form to improve recording of critical elements.

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING

Survey: Most average-risk pregnant women preferred NIPT to invasive testing

Adding infertility assessment and treatment to your practice

Ospemifene found to have minimal effects on the endometrium at 52 weeks

Why it’s important to open the sexual health dialogue

References

Reference

Stohl HE, Granat A, Ouzounian J, Miller DA, Jaque J. Lack of comprehensiveness of delivery notes for shoulder dystocia. Poster presented at the 2014 ACOG Annual Clinical Meeting, April 28, 2014, in Chicago, Illinois.

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Shoulder dystocia is a leading cause of litigation in obstetrics, and the delivery note is an indispensable tool in the defense of a case. When investigators from the University of Southern California analyzed 66 delivery notes to determine how many of 20 intrapartum elements were covered, they found that an average of 11 (58%) were documented. No note included all 20 element.

The study was presented as a poster at the 2014 American College of Obstetricians and Gynecologists annual clinical meeting in Chicago.1

The 20 elements and their frequency of documentation were:

  • date – 96%
  • time – 96%
  • maneuvers used to achieve delivery – 91%
  • order of maneuvers – 89%
  • maternal gravidity and parity – 86%
  • mode of delivery – 86%
  • Apgar scores – 80%
  • type of perineal laceration – 80%
  • infant birth weight – 77%
  • resident provider – 75%
  • head-to-body interval – 58%
  • cord gases – 53%
  • attending provider – 46%
  • whether episiotomy was performed – 39%
  • application of gentle downward traction – 31%
  • movement of the infant’s extremities after delivery – 30%
  • which shoulder was anterior – 21%
  • whether the patient was informed of the shoulder dystocia – 4%
  • adequacy of maternal pelvis – 2%
  • lack of fundal pressure – 1%.

Investigators recommended that providers implement use of a standard form to improve recording of critical elements.

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING

Survey: Most average-risk pregnant women preferred NIPT to invasive testing

Adding infertility assessment and treatment to your practice

Ospemifene found to have minimal effects on the endometrium at 52 weeks

Why it’s important to open the sexual health dialogue

Shoulder dystocia is a leading cause of litigation in obstetrics, and the delivery note is an indispensable tool in the defense of a case. When investigators from the University of Southern California analyzed 66 delivery notes to determine how many of 20 intrapartum elements were covered, they found that an average of 11 (58%) were documented. No note included all 20 element.

The study was presented as a poster at the 2014 American College of Obstetricians and Gynecologists annual clinical meeting in Chicago.1

The 20 elements and their frequency of documentation were:

  • date – 96%
  • time – 96%
  • maneuvers used to achieve delivery – 91%
  • order of maneuvers – 89%
  • maternal gravidity and parity – 86%
  • mode of delivery – 86%
  • Apgar scores – 80%
  • type of perineal laceration – 80%
  • infant birth weight – 77%
  • resident provider – 75%
  • head-to-body interval – 58%
  • cord gases – 53%
  • attending provider – 46%
  • whether episiotomy was performed – 39%
  • application of gentle downward traction – 31%
  • movement of the infant’s extremities after delivery – 30%
  • which shoulder was anterior – 21%
  • whether the patient was informed of the shoulder dystocia – 4%
  • adequacy of maternal pelvis – 2%
  • lack of fundal pressure – 1%.

Investigators recommended that providers implement use of a standard form to improve recording of critical elements.

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING

Survey: Most average-risk pregnant women preferred NIPT to invasive testing

Adding infertility assessment and treatment to your practice

Ospemifene found to have minimal effects on the endometrium at 52 weeks

Why it’s important to open the sexual health dialogue

References

Reference

Stohl HE, Granat A, Ouzounian J, Miller DA, Jaque J. Lack of comprehensiveness of delivery notes for shoulder dystocia. Poster presented at the 2014 ACOG Annual Clinical Meeting, April 28, 2014, in Chicago, Illinois.

References

Reference

Stohl HE, Granat A, Ouzounian J, Miller DA, Jaque J. Lack of comprehensiveness of delivery notes for shoulder dystocia. Poster presented at the 2014 ACOG Annual Clinical Meeting, April 28, 2014, in Chicago, Illinois.

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Ospemifene found to have minimal effects on the endometrium at 52 weeks

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Ospemifene found to have minimal effects on the endometrium at 52 weeks

Ospemifene was FDA-approved in 2013 to treat moderate to severe dyspareunia, a symptom of vulvar and vaginal atrophy (VVA) due to menopause. This nonestrogenenic drug has tissue selective agonist/antagonist effects—a selective estrogen-receptor modulator (SERM). Tamoxifen, a first-generation SERM, increases the risk of endometrial cancer. However, the second-generation SERM raloxifene is not associated with this increased risk. In preclinical studies and clinical trials, ospemifene has been shown to exert positive effects on the vaginal epithelium and minimal effects on the endometrium.

Steven R. Goldstein, MD, from New York University School of Medicine, and colleagues set out to determine the endometrial safety of ospemifene in six Phase 2/3 clinical trials of postemenopausal women with up to 52 weeks of exposure to ospemifene 60 mg/day versus placebo.

Endometrial safety of the study drug was assessed in a total of 1,349 women with an intact uterus (851 in the ospemifene group vs 543 in the placebo group).

Results
Endometrial biopsies obtained at 52 weeks revealed a rate of endometrial hyperplasia of 0.3%.

Of 342 biopsied women, “there was a single case of a woman with simple hyperplasia,” says Dr. Goldstein. “She was 52 years old, had become menopausal at age 49 and had been taking hormone therapy for about 2 years before entering the trial. After 4 months of ospemifene, she had an episode of bleeding and was diagnosed with proliferative endometrium. The study drug was stopped with a plan to follow up in 3 months; 89 days later she had another episode of bleeding and was diagnosed with simple hyperplasia. She was treated with a single course of progestogen, the hyperplasia resolved, and then she was noted to have a benign polyp.”

No complex hyperplasias or carcinomas were found.

Ospemifene participants with histologic findings other than inactive, atrophic, or insufficient was 3.5% at 52 weeks, and this finding was similar to baseline endometrial biopsy results for placebo (4.0%).

The incidence of active and disordered type endometrial proliferation was less than 1% of participants treated with ospemifene. The vaginal bleeding incidence was similar in the treatment and placebo groups.

“This data tells me that this drug is clearly acting like its cousin raloxifene in the uterus, with virtually no active proliferation and no true hyperplasia. The FDA guidance for any of these products is less than 1% hyperplasia in 1 year, and there was a single case out of 342 biopsies, says Dr. Goldstein.

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING
Survey: Most average-risk pregnant women preferred NIPT to invasive testing

Adding infertility assessment and treatment to your practice

Delivery notes after shoulder dystocia often lack critical elements

Why it’s important to open the sexual health dialogue

References

Reference

Goldstein SR, Archer DF, Simon JS, Constantine GD. Endometrial safety of ospemifene and the ability of transvaginal ultrasound to detect small changes in endometrial thickness. Poster presented at the American Congress of Obstetricians and Gynecologists (ACOG) Annual Clinical Meeting. Chicago, IL; April 28, 2014.

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Ospemifene was FDA-approved in 2013 to treat moderate to severe dyspareunia, a symptom of vulvar and vaginal atrophy (VVA) due to menopause. This nonestrogenenic drug has tissue selective agonist/antagonist effects—a selective estrogen-receptor modulator (SERM). Tamoxifen, a first-generation SERM, increases the risk of endometrial cancer. However, the second-generation SERM raloxifene is not associated with this increased risk. In preclinical studies and clinical trials, ospemifene has been shown to exert positive effects on the vaginal epithelium and minimal effects on the endometrium.

Steven R. Goldstein, MD, from New York University School of Medicine, and colleagues set out to determine the endometrial safety of ospemifene in six Phase 2/3 clinical trials of postemenopausal women with up to 52 weeks of exposure to ospemifene 60 mg/day versus placebo.

Endometrial safety of the study drug was assessed in a total of 1,349 women with an intact uterus (851 in the ospemifene group vs 543 in the placebo group).

Results
Endometrial biopsies obtained at 52 weeks revealed a rate of endometrial hyperplasia of 0.3%.

Of 342 biopsied women, “there was a single case of a woman with simple hyperplasia,” says Dr. Goldstein. “She was 52 years old, had become menopausal at age 49 and had been taking hormone therapy for about 2 years before entering the trial. After 4 months of ospemifene, she had an episode of bleeding and was diagnosed with proliferative endometrium. The study drug was stopped with a plan to follow up in 3 months; 89 days later she had another episode of bleeding and was diagnosed with simple hyperplasia. She was treated with a single course of progestogen, the hyperplasia resolved, and then she was noted to have a benign polyp.”

No complex hyperplasias or carcinomas were found.

Ospemifene participants with histologic findings other than inactive, atrophic, or insufficient was 3.5% at 52 weeks, and this finding was similar to baseline endometrial biopsy results for placebo (4.0%).

The incidence of active and disordered type endometrial proliferation was less than 1% of participants treated with ospemifene. The vaginal bleeding incidence was similar in the treatment and placebo groups.

“This data tells me that this drug is clearly acting like its cousin raloxifene in the uterus, with virtually no active proliferation and no true hyperplasia. The FDA guidance for any of these products is less than 1% hyperplasia in 1 year, and there was a single case out of 342 biopsies, says Dr. Goldstein.

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING
Survey: Most average-risk pregnant women preferred NIPT to invasive testing

Adding infertility assessment and treatment to your practice

Delivery notes after shoulder dystocia often lack critical elements

Why it’s important to open the sexual health dialogue

Ospemifene was FDA-approved in 2013 to treat moderate to severe dyspareunia, a symptom of vulvar and vaginal atrophy (VVA) due to menopause. This nonestrogenenic drug has tissue selective agonist/antagonist effects—a selective estrogen-receptor modulator (SERM). Tamoxifen, a first-generation SERM, increases the risk of endometrial cancer. However, the second-generation SERM raloxifene is not associated with this increased risk. In preclinical studies and clinical trials, ospemifene has been shown to exert positive effects on the vaginal epithelium and minimal effects on the endometrium.

Steven R. Goldstein, MD, from New York University School of Medicine, and colleagues set out to determine the endometrial safety of ospemifene in six Phase 2/3 clinical trials of postemenopausal women with up to 52 weeks of exposure to ospemifene 60 mg/day versus placebo.

Endometrial safety of the study drug was assessed in a total of 1,349 women with an intact uterus (851 in the ospemifene group vs 543 in the placebo group).

Results
Endometrial biopsies obtained at 52 weeks revealed a rate of endometrial hyperplasia of 0.3%.

Of 342 biopsied women, “there was a single case of a woman with simple hyperplasia,” says Dr. Goldstein. “She was 52 years old, had become menopausal at age 49 and had been taking hormone therapy for about 2 years before entering the trial. After 4 months of ospemifene, she had an episode of bleeding and was diagnosed with proliferative endometrium. The study drug was stopped with a plan to follow up in 3 months; 89 days later she had another episode of bleeding and was diagnosed with simple hyperplasia. She was treated with a single course of progestogen, the hyperplasia resolved, and then she was noted to have a benign polyp.”

No complex hyperplasias or carcinomas were found.

Ospemifene participants with histologic findings other than inactive, atrophic, or insufficient was 3.5% at 52 weeks, and this finding was similar to baseline endometrial biopsy results for placebo (4.0%).

The incidence of active and disordered type endometrial proliferation was less than 1% of participants treated with ospemifene. The vaginal bleeding incidence was similar in the treatment and placebo groups.

“This data tells me that this drug is clearly acting like its cousin raloxifene in the uterus, with virtually no active proliferation and no true hyperplasia. The FDA guidance for any of these products is less than 1% hyperplasia in 1 year, and there was a single case out of 342 biopsies, says Dr. Goldstein.

MORE NEWS and HIGHLIGHTS from ACOG's 2014 ANNUAL CLINICAL MEETING
Survey: Most average-risk pregnant women preferred NIPT to invasive testing

Adding infertility assessment and treatment to your practice

Delivery notes after shoulder dystocia often lack critical elements

Why it’s important to open the sexual health dialogue

References

Reference

Goldstein SR, Archer DF, Simon JS, Constantine GD. Endometrial safety of ospemifene and the ability of transvaginal ultrasound to detect small changes in endometrial thickness. Poster presented at the American Congress of Obstetricians and Gynecologists (ACOG) Annual Clinical Meeting. Chicago, IL; April 28, 2014.

References

Reference

Goldstein SR, Archer DF, Simon JS, Constantine GD. Endometrial safety of ospemifene and the ability of transvaginal ultrasound to detect small changes in endometrial thickness. Poster presented at the American Congress of Obstetricians and Gynecologists (ACOG) Annual Clinical Meeting. Chicago, IL; April 28, 2014.

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ospemifene, Osphena, Steven Goldstein MD, ACOG, American College of Obstetricians and Gynecologists Annual Clinical Meeting, ACM, endometrial safety of ospemifene, ospemifene safety, ospemifene endometrial safety, menopause, VVA, vulvovagial atrophy
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Mutations implicated in hematologic disorders

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Mutations implicated in hematologic disorders

Blood sample collection

Credit: Jeremy L. Grisham

An analysis of more than 30,000 individuals has revealed several genetic mutations that appear to play roles in hematologic disorders.

Investigators discovered variants that showed correlations with platelet counts, white blood cell (WBC) counts, hemoglobin concentration, and hematocrit levels.

The group believes these findings could have implications for a range of conditions, including cytopenias, myeloproliferative neoplasms, and stroke.

Guillaume Lettre, PhD, of Université de Montréal and the Montreal Heart Institute in Canada, and his colleagues recounted their discoveries in a letter to Nature Genetics.

The investigators analyzed hemoglobin concentration, hematocrit levels, WBC counts, and platelet counts in 31,340 individuals genotyped on an exome array.

This revealed several missense variants in CXCR2 that were associated with a decreased WBC count. And in a resequencing study, the team identified a CXCR2 frameshift mutation that was associated with congenital neutropenia.

The group also discovered several missense and splice-site variants in genes known to regulate hematopoiesis—TFR2, HBB, TUBB1, SH2B3, and EPO.

A TFR2 mutation (rs139178017) was independently associated with higher hematocrit levels and hemoglobin concentration.

An HBB variant (rs33971440) and an EPO variant (rs62483572), on the other hand, were associated with lower hematocrit levels and hemoglobin concentrations. Further analyses confirmed that having these mutations increased a person’s risk of anemia, with odds ratios of 36.1 and 1.7, respectively.

A TUBB1 missense variant (rs41303899) was associated with decreased platelet count, while 2 missense variants of SH2B3 (rs148636776 and rs72650673) were associated with increased platelet counts.

Lastly, a mutation in JAK2 (rs77375493) was associated with increases in platelets, WBCs, hemoglobin, and hematocrit. And further analyses suggested that individuals with this variant had early stage myeloproliferative neoplasms.

“[T]hese donors also had a higher risk of having a stroke during their lifetime,” said study author Jean-Claude Tardif, MD, of Université de Montréal and the Montreal Heart Institute.

He and his colleagues believe these findings are encouraging, as they provide additional insight into hematologic disorders. But the results also suggest the experimental approach used in this study can be applied to other diseases as well.

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Blood sample collection

Credit: Jeremy L. Grisham

An analysis of more than 30,000 individuals has revealed several genetic mutations that appear to play roles in hematologic disorders.

Investigators discovered variants that showed correlations with platelet counts, white blood cell (WBC) counts, hemoglobin concentration, and hematocrit levels.

The group believes these findings could have implications for a range of conditions, including cytopenias, myeloproliferative neoplasms, and stroke.

Guillaume Lettre, PhD, of Université de Montréal and the Montreal Heart Institute in Canada, and his colleagues recounted their discoveries in a letter to Nature Genetics.

The investigators analyzed hemoglobin concentration, hematocrit levels, WBC counts, and platelet counts in 31,340 individuals genotyped on an exome array.

This revealed several missense variants in CXCR2 that were associated with a decreased WBC count. And in a resequencing study, the team identified a CXCR2 frameshift mutation that was associated with congenital neutropenia.

The group also discovered several missense and splice-site variants in genes known to regulate hematopoiesis—TFR2, HBB, TUBB1, SH2B3, and EPO.

A TFR2 mutation (rs139178017) was independently associated with higher hematocrit levels and hemoglobin concentration.

An HBB variant (rs33971440) and an EPO variant (rs62483572), on the other hand, were associated with lower hematocrit levels and hemoglobin concentrations. Further analyses confirmed that having these mutations increased a person’s risk of anemia, with odds ratios of 36.1 and 1.7, respectively.

A TUBB1 missense variant (rs41303899) was associated with decreased platelet count, while 2 missense variants of SH2B3 (rs148636776 and rs72650673) were associated with increased platelet counts.

Lastly, a mutation in JAK2 (rs77375493) was associated with increases in platelets, WBCs, hemoglobin, and hematocrit. And further analyses suggested that individuals with this variant had early stage myeloproliferative neoplasms.

“[T]hese donors also had a higher risk of having a stroke during their lifetime,” said study author Jean-Claude Tardif, MD, of Université de Montréal and the Montreal Heart Institute.

He and his colleagues believe these findings are encouraging, as they provide additional insight into hematologic disorders. But the results also suggest the experimental approach used in this study can be applied to other diseases as well.

Blood sample collection

Credit: Jeremy L. Grisham

An analysis of more than 30,000 individuals has revealed several genetic mutations that appear to play roles in hematologic disorders.

Investigators discovered variants that showed correlations with platelet counts, white blood cell (WBC) counts, hemoglobin concentration, and hematocrit levels.

The group believes these findings could have implications for a range of conditions, including cytopenias, myeloproliferative neoplasms, and stroke.

Guillaume Lettre, PhD, of Université de Montréal and the Montreal Heart Institute in Canada, and his colleagues recounted their discoveries in a letter to Nature Genetics.

The investigators analyzed hemoglobin concentration, hematocrit levels, WBC counts, and platelet counts in 31,340 individuals genotyped on an exome array.

This revealed several missense variants in CXCR2 that were associated with a decreased WBC count. And in a resequencing study, the team identified a CXCR2 frameshift mutation that was associated with congenital neutropenia.

The group also discovered several missense and splice-site variants in genes known to regulate hematopoiesis—TFR2, HBB, TUBB1, SH2B3, and EPO.

A TFR2 mutation (rs139178017) was independently associated with higher hematocrit levels and hemoglobin concentration.

An HBB variant (rs33971440) and an EPO variant (rs62483572), on the other hand, were associated with lower hematocrit levels and hemoglobin concentrations. Further analyses confirmed that having these mutations increased a person’s risk of anemia, with odds ratios of 36.1 and 1.7, respectively.

A TUBB1 missense variant (rs41303899) was associated with decreased platelet count, while 2 missense variants of SH2B3 (rs148636776 and rs72650673) were associated with increased platelet counts.

Lastly, a mutation in JAK2 (rs77375493) was associated with increases in platelets, WBCs, hemoglobin, and hematocrit. And further analyses suggested that individuals with this variant had early stage myeloproliferative neoplasms.

“[T]hese donors also had a higher risk of having a stroke during their lifetime,” said study author Jean-Claude Tardif, MD, of Université de Montréal and the Montreal Heart Institute.

He and his colleagues believe these findings are encouraging, as they provide additional insight into hematologic disorders. But the results also suggest the experimental approach used in this study can be applied to other diseases as well.

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Vitamin D may affect outcome in cancer patients

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Woman sunbathing

Cancer patients with higher levels of vitamin D at diagnosis tend to have better outcomes than patients who are vitamin D-deficient, a meta-analysis suggests.

Researchers found the association between vitamin D and prognosis was most pronounced in patients with breast cancer, colorectal cancer, and lymphomas.

The team observed an association between vitamin D and prognosis in other cancers as well, but the correlations were not significant.

Hui Wang, MD, PhD, of the Chinese Academy of Sciences in Shanghai, China, and colleagues conducted this research and reported their results in the Journal of Clinical Endocrinology & Metabolism.

The team analyzed data from 25 studies including 17,332 cancer patients. In most of the studies, patients had their vitamin D levels tested before they underwent any cancer treatment.

The analysis showed that, overall, a 10 nmol/L increase in vitamin D levels was associated with a 4% increase in survival.

The strongest links between vitamin D levels and survival were seen in breast cancer, colorectal cancer, and lymphomas. There was less evidence of a connection in patients with leukemias, lung cancer, gastric cancer, prostate cancer, melanoma, or Merkel cell carcinoma, but the available data were positive.

There were 2 studies evaluating the association between survival and vitamin D levels in leukemia patients.

Vitamin D insufficiency was associated with poor overall survival in patients with newly diagnosed chronic lymphocytic leukemia, although this was not statistically significant. The hazard ratio (HR) was 0.68 (P=0.07).

For acute myeloid leukemia, patients with vitamin D levels that were considered insufficient (20-31.9 ng/mL) or deficient (<20 ng/mL) had worse overall survival (HR=0.65) and disease-free survival (HR=0.65) than patients with normal vitamin D levels.

There were also 2 studies evaluating the association between survival and vitamin D levels in lymphoma patients. The results showed that patients with the highest vitamin D levels had better overall survival than those with the lowest vitamin D levels (HR=0.48, P<0.001).

Lymphoma patients in the highest quartile of vitamin D levels also had a lower risk of cancer-specific mortality (HR=0.50, P<0.001) and better disease-free survival (HR=0.80, P=0.04).

Similarly, higher vitamin D levels were significantly associated with reduced cancer-specific mortality for patients with colorectal cancer (P=0.005) and improved disease-free survival for patients with breast cancer (P<0.001).

For overall survival, the HR for the highest vs lowest quartile of vitamin D levels was 0.55 for colorectal cancer patients and 0.63 for breast cancer patients.

Based on these results, Dr Wang concluded, “Physicians need to pay close attention to vitamin D levels in people who have been diagnosed with cancer.”

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Woman sunbathing

Cancer patients with higher levels of vitamin D at diagnosis tend to have better outcomes than patients who are vitamin D-deficient, a meta-analysis suggests.

Researchers found the association between vitamin D and prognosis was most pronounced in patients with breast cancer, colorectal cancer, and lymphomas.

The team observed an association between vitamin D and prognosis in other cancers as well, but the correlations were not significant.

Hui Wang, MD, PhD, of the Chinese Academy of Sciences in Shanghai, China, and colleagues conducted this research and reported their results in the Journal of Clinical Endocrinology & Metabolism.

The team analyzed data from 25 studies including 17,332 cancer patients. In most of the studies, patients had their vitamin D levels tested before they underwent any cancer treatment.

The analysis showed that, overall, a 10 nmol/L increase in vitamin D levels was associated with a 4% increase in survival.

The strongest links between vitamin D levels and survival were seen in breast cancer, colorectal cancer, and lymphomas. There was less evidence of a connection in patients with leukemias, lung cancer, gastric cancer, prostate cancer, melanoma, or Merkel cell carcinoma, but the available data were positive.

There were 2 studies evaluating the association between survival and vitamin D levels in leukemia patients.

Vitamin D insufficiency was associated with poor overall survival in patients with newly diagnosed chronic lymphocytic leukemia, although this was not statistically significant. The hazard ratio (HR) was 0.68 (P=0.07).

For acute myeloid leukemia, patients with vitamin D levels that were considered insufficient (20-31.9 ng/mL) or deficient (<20 ng/mL) had worse overall survival (HR=0.65) and disease-free survival (HR=0.65) than patients with normal vitamin D levels.

There were also 2 studies evaluating the association between survival and vitamin D levels in lymphoma patients. The results showed that patients with the highest vitamin D levels had better overall survival than those with the lowest vitamin D levels (HR=0.48, P<0.001).

Lymphoma patients in the highest quartile of vitamin D levels also had a lower risk of cancer-specific mortality (HR=0.50, P<0.001) and better disease-free survival (HR=0.80, P=0.04).

Similarly, higher vitamin D levels were significantly associated with reduced cancer-specific mortality for patients with colorectal cancer (P=0.005) and improved disease-free survival for patients with breast cancer (P<0.001).

For overall survival, the HR for the highest vs lowest quartile of vitamin D levels was 0.55 for colorectal cancer patients and 0.63 for breast cancer patients.

Based on these results, Dr Wang concluded, “Physicians need to pay close attention to vitamin D levels in people who have been diagnosed with cancer.”

Woman sunbathing

Cancer patients with higher levels of vitamin D at diagnosis tend to have better outcomes than patients who are vitamin D-deficient, a meta-analysis suggests.

Researchers found the association between vitamin D and prognosis was most pronounced in patients with breast cancer, colorectal cancer, and lymphomas.

The team observed an association between vitamin D and prognosis in other cancers as well, but the correlations were not significant.

Hui Wang, MD, PhD, of the Chinese Academy of Sciences in Shanghai, China, and colleagues conducted this research and reported their results in the Journal of Clinical Endocrinology & Metabolism.

The team analyzed data from 25 studies including 17,332 cancer patients. In most of the studies, patients had their vitamin D levels tested before they underwent any cancer treatment.

The analysis showed that, overall, a 10 nmol/L increase in vitamin D levels was associated with a 4% increase in survival.

The strongest links between vitamin D levels and survival were seen in breast cancer, colorectal cancer, and lymphomas. There was less evidence of a connection in patients with leukemias, lung cancer, gastric cancer, prostate cancer, melanoma, or Merkel cell carcinoma, but the available data were positive.

There were 2 studies evaluating the association between survival and vitamin D levels in leukemia patients.

Vitamin D insufficiency was associated with poor overall survival in patients with newly diagnosed chronic lymphocytic leukemia, although this was not statistically significant. The hazard ratio (HR) was 0.68 (P=0.07).

For acute myeloid leukemia, patients with vitamin D levels that were considered insufficient (20-31.9 ng/mL) or deficient (<20 ng/mL) had worse overall survival (HR=0.65) and disease-free survival (HR=0.65) than patients with normal vitamin D levels.

There were also 2 studies evaluating the association between survival and vitamin D levels in lymphoma patients. The results showed that patients with the highest vitamin D levels had better overall survival than those with the lowest vitamin D levels (HR=0.48, P<0.001).

Lymphoma patients in the highest quartile of vitamin D levels also had a lower risk of cancer-specific mortality (HR=0.50, P<0.001) and better disease-free survival (HR=0.80, P=0.04).

Similarly, higher vitamin D levels were significantly associated with reduced cancer-specific mortality for patients with colorectal cancer (P=0.005) and improved disease-free survival for patients with breast cancer (P<0.001).

For overall survival, the HR for the highest vs lowest quartile of vitamin D levels was 0.55 for colorectal cancer patients and 0.63 for breast cancer patients.

Based on these results, Dr Wang concluded, “Physicians need to pay close attention to vitamin D levels in people who have been diagnosed with cancer.”

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Loss of chromosome Y linked to cancer risk, survival

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Cancer patient receives therapy

Credit: Rhoda Baer

New research indicates that loss of the Y chromosome in the peripheral blood may be associated with decreased survival—both higher mortality from cancer and a shorter life span in general.

Study investigators say their findings may explain why cancer incidence and mortality are both higher in men than in women, and why men have shorter average life spans than women.

Lars Forsberg, PhD, of Uppsala University in Sweden, and his colleagues recounted their findings in Nature Genetics.

The team analyzed blood samples from 1153 elderly men and found the most common genetic alteration was a loss of the Y chromosome in a proportion of leukocytes.

Further analyses revealed that loss of chromosome Y was associated with an increase in cancer diagnosis, cancer mortality, and all-cause mortality.

Specifically, the hazard ratio (HR) was 1.91 (P=0.010) for all-cause mortality and 3.29 (P=0.003) for cancer mortality. The HRs were 3.62 (P=0.003) for non-hematologic cancer mortality and 2.19 (P=0.450) for hematologic cancer mortality.

The HR for a diagnosis of any cancer was 2.47 (P=0.014). And the HR for diagnosis of a non-hematologic malignancy was 2.68 (P=0.008).

The investigators said these results suggest that chromosome Y is important in processes beyond sex determination.

“You have probably heard before that the Y chromosome is small, insignificant, and contains very little genetic information; this is not true,” said study author Jan Dumanski, PhD, of Uppsala University.

“Our results indicate that the Y chromosome has a role in tumor suppression, and they might explain why men get cancer more often than women. We believe that analyses of the Y chromosome could, in the future, become a useful general marker to predict the risk for men to develop cancer.”

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Cancer patient receives therapy

Credit: Rhoda Baer

New research indicates that loss of the Y chromosome in the peripheral blood may be associated with decreased survival—both higher mortality from cancer and a shorter life span in general.

Study investigators say their findings may explain why cancer incidence and mortality are both higher in men than in women, and why men have shorter average life spans than women.

Lars Forsberg, PhD, of Uppsala University in Sweden, and his colleagues recounted their findings in Nature Genetics.

The team analyzed blood samples from 1153 elderly men and found the most common genetic alteration was a loss of the Y chromosome in a proportion of leukocytes.

Further analyses revealed that loss of chromosome Y was associated with an increase in cancer diagnosis, cancer mortality, and all-cause mortality.

Specifically, the hazard ratio (HR) was 1.91 (P=0.010) for all-cause mortality and 3.29 (P=0.003) for cancer mortality. The HRs were 3.62 (P=0.003) for non-hematologic cancer mortality and 2.19 (P=0.450) for hematologic cancer mortality.

The HR for a diagnosis of any cancer was 2.47 (P=0.014). And the HR for diagnosis of a non-hematologic malignancy was 2.68 (P=0.008).

The investigators said these results suggest that chromosome Y is important in processes beyond sex determination.

“You have probably heard before that the Y chromosome is small, insignificant, and contains very little genetic information; this is not true,” said study author Jan Dumanski, PhD, of Uppsala University.

“Our results indicate that the Y chromosome has a role in tumor suppression, and they might explain why men get cancer more often than women. We believe that analyses of the Y chromosome could, in the future, become a useful general marker to predict the risk for men to develop cancer.”

Cancer patient receives therapy

Credit: Rhoda Baer

New research indicates that loss of the Y chromosome in the peripheral blood may be associated with decreased survival—both higher mortality from cancer and a shorter life span in general.

Study investigators say their findings may explain why cancer incidence and mortality are both higher in men than in women, and why men have shorter average life spans than women.

Lars Forsberg, PhD, of Uppsala University in Sweden, and his colleagues recounted their findings in Nature Genetics.

The team analyzed blood samples from 1153 elderly men and found the most common genetic alteration was a loss of the Y chromosome in a proportion of leukocytes.

Further analyses revealed that loss of chromosome Y was associated with an increase in cancer diagnosis, cancer mortality, and all-cause mortality.

Specifically, the hazard ratio (HR) was 1.91 (P=0.010) for all-cause mortality and 3.29 (P=0.003) for cancer mortality. The HRs were 3.62 (P=0.003) for non-hematologic cancer mortality and 2.19 (P=0.450) for hematologic cancer mortality.

The HR for a diagnosis of any cancer was 2.47 (P=0.014). And the HR for diagnosis of a non-hematologic malignancy was 2.68 (P=0.008).

The investigators said these results suggest that chromosome Y is important in processes beyond sex determination.

“You have probably heard before that the Y chromosome is small, insignificant, and contains very little genetic information; this is not true,” said study author Jan Dumanski, PhD, of Uppsala University.

“Our results indicate that the Y chromosome has a role in tumor suppression, and they might explain why men get cancer more often than women. We believe that analyses of the Y chromosome could, in the future, become a useful general marker to predict the risk for men to develop cancer.”

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