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TOPLINE:

Patients who undergo surgery for carpal tunnel syndrome (CTS) may have an increased risk of developing incident diabetes, showed a recent study.

METHODOLOGY:

  • Diabetes has been shown to be a risk factor for CTS, the most common entrapment neuropathy, but it remains unclear whether CTS is associated with subsequent diabetes.
  • Researchers used data from Danish national registries to evaluate the odds of developing diabetes in 83,466 patients (median age, 54 years; 67% women) who underwent surgery for CTS between January 1996 and December 2018.
  • The study compared the risk of developing diabetes in patients who had CTS surgery with that of an age- and sex-matched cohort of individuals from the general population in a 1:5 ratio (n = 417,330).
  • Patients were followed (median of 7.6 years) until either a diagnosis of diabetes during hospitalization or a prescription of a glucose-lowering drug, or until either death, emigration, or the end of the study period.
  • Cause-specific Cox proportional hazard models were used to compare the odds of developing diabetes between the two groups.

TAKEAWAY:

  • The cumulative incidence of diabetes was higher in the CTS group than in the age-matched controls (16.8% vs 10.3%).
  • Patients who underwent surgery for CTS were at a higher risk of developing diabetes within 1 year of surgery (hazard ratio [HR], 1.72) and during the rest of the study period (> 1 year: HR, 1.66).
  • The risk for incident diabetes after CTS surgery was higher among younger patients aged 18-39 years (adjusted HR, 2.77) than among older patients aged 70-79 years (adjusted HR, 1.29).
  • Also, patients who had bilateral surgery had a higher risk of developing diabetes than the matched control population (adjusted HR, 1.86).

IN PRACTICE:

“Identifying patients who are at risk of DM [diabetes mellitus] may mediate earlier initiation of preventive strategies. However, other factors, such as obesity and A1c levels, may affect the association,” the authors wrote.

SOURCE:

The study led by Jeppe Ravn Jacobsen, MB, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark, was published online in Diabetes, Obesity, and Metabolism .

LIMITATIONS:

The study did not find an association between CTS and a future diagnosis of type 1 diabetes, which may be attributed to the fact that patients younger than 18 years were excluded. A proportion of the patients who underwent CTS may have had undetected prediabetes or diabetes at the time of CTS surgery. Moreover, the registry lacked information on potential confounders such as body mass index, smoking history, and blood samples. The association between CTS and diabetes may be attributable to shared risk factors for both, such as obesity.

DISCLOSURES:

The study was funded by an internal grant from the Department of Cardiology, Rigshospitalet, University of Copenhagen, Denmark. The authors declared no conflicts of interest.

A version of this article first appeared on Medscape.com.

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TOPLINE:

Patients who undergo surgery for carpal tunnel syndrome (CTS) may have an increased risk of developing incident diabetes, showed a recent study.

METHODOLOGY:

  • Diabetes has been shown to be a risk factor for CTS, the most common entrapment neuropathy, but it remains unclear whether CTS is associated with subsequent diabetes.
  • Researchers used data from Danish national registries to evaluate the odds of developing diabetes in 83,466 patients (median age, 54 years; 67% women) who underwent surgery for CTS between January 1996 and December 2018.
  • The study compared the risk of developing diabetes in patients who had CTS surgery with that of an age- and sex-matched cohort of individuals from the general population in a 1:5 ratio (n = 417,330).
  • Patients were followed (median of 7.6 years) until either a diagnosis of diabetes during hospitalization or a prescription of a glucose-lowering drug, or until either death, emigration, or the end of the study period.
  • Cause-specific Cox proportional hazard models were used to compare the odds of developing diabetes between the two groups.

TAKEAWAY:

  • The cumulative incidence of diabetes was higher in the CTS group than in the age-matched controls (16.8% vs 10.3%).
  • Patients who underwent surgery for CTS were at a higher risk of developing diabetes within 1 year of surgery (hazard ratio [HR], 1.72) and during the rest of the study period (> 1 year: HR, 1.66).
  • The risk for incident diabetes after CTS surgery was higher among younger patients aged 18-39 years (adjusted HR, 2.77) than among older patients aged 70-79 years (adjusted HR, 1.29).
  • Also, patients who had bilateral surgery had a higher risk of developing diabetes than the matched control population (adjusted HR, 1.86).

IN PRACTICE:

“Identifying patients who are at risk of DM [diabetes mellitus] may mediate earlier initiation of preventive strategies. However, other factors, such as obesity and A1c levels, may affect the association,” the authors wrote.

SOURCE:

The study led by Jeppe Ravn Jacobsen, MB, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark, was published online in Diabetes, Obesity, and Metabolism .

LIMITATIONS:

The study did not find an association between CTS and a future diagnosis of type 1 diabetes, which may be attributed to the fact that patients younger than 18 years were excluded. A proportion of the patients who underwent CTS may have had undetected prediabetes or diabetes at the time of CTS surgery. Moreover, the registry lacked information on potential confounders such as body mass index, smoking history, and blood samples. The association between CTS and diabetes may be attributable to shared risk factors for both, such as obesity.

DISCLOSURES:

The study was funded by an internal grant from the Department of Cardiology, Rigshospitalet, University of Copenhagen, Denmark. The authors declared no conflicts of interest.

A version of this article first appeared on Medscape.com.

 

TOPLINE:

Patients who undergo surgery for carpal tunnel syndrome (CTS) may have an increased risk of developing incident diabetes, showed a recent study.

METHODOLOGY:

  • Diabetes has been shown to be a risk factor for CTS, the most common entrapment neuropathy, but it remains unclear whether CTS is associated with subsequent diabetes.
  • Researchers used data from Danish national registries to evaluate the odds of developing diabetes in 83,466 patients (median age, 54 years; 67% women) who underwent surgery for CTS between January 1996 and December 2018.
  • The study compared the risk of developing diabetes in patients who had CTS surgery with that of an age- and sex-matched cohort of individuals from the general population in a 1:5 ratio (n = 417,330).
  • Patients were followed (median of 7.6 years) until either a diagnosis of diabetes during hospitalization or a prescription of a glucose-lowering drug, or until either death, emigration, or the end of the study period.
  • Cause-specific Cox proportional hazard models were used to compare the odds of developing diabetes between the two groups.

TAKEAWAY:

  • The cumulative incidence of diabetes was higher in the CTS group than in the age-matched controls (16.8% vs 10.3%).
  • Patients who underwent surgery for CTS were at a higher risk of developing diabetes within 1 year of surgery (hazard ratio [HR], 1.72) and during the rest of the study period (> 1 year: HR, 1.66).
  • The risk for incident diabetes after CTS surgery was higher among younger patients aged 18-39 years (adjusted HR, 2.77) than among older patients aged 70-79 years (adjusted HR, 1.29).
  • Also, patients who had bilateral surgery had a higher risk of developing diabetes than the matched control population (adjusted HR, 1.86).

IN PRACTICE:

“Identifying patients who are at risk of DM [diabetes mellitus] may mediate earlier initiation of preventive strategies. However, other factors, such as obesity and A1c levels, may affect the association,” the authors wrote.

SOURCE:

The study led by Jeppe Ravn Jacobsen, MB, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark, was published online in Diabetes, Obesity, and Metabolism .

LIMITATIONS:

The study did not find an association between CTS and a future diagnosis of type 1 diabetes, which may be attributed to the fact that patients younger than 18 years were excluded. A proportion of the patients who underwent CTS may have had undetected prediabetes or diabetes at the time of CTS surgery. Moreover, the registry lacked information on potential confounders such as body mass index, smoking history, and blood samples. The association between CTS and diabetes may be attributable to shared risk factors for both, such as obesity.

DISCLOSURES:

The study was funded by an internal grant from the Department of Cardiology, Rigshospitalet, University of Copenhagen, Denmark. The authors declared no conflicts of interest.

A version of this article first appeared on Medscape.com.

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