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Diabetes Care. 2013 Oct;36(10):3222-6. doi: 10.2337/dc13-0294. Epub 2013 Jun 18.

Sexual dysfunction as a marker of cardiovascular disease in males with 50 or more years of type 1 diabetes.

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  • 1Corresponding author: Hillary A. Keenan,



Vascular dysfunction is a major contributor to diabetes complications. It is also the primary physiologic cause of erectile dysfunction and considered an independent predictor of cardiovascular disease (CVD) in males over age 40 years. A cohort of individuals with 50 or more years of type 1 diabetes, Joslin Medalists, have low rates of small but not large vessel complications. This study aims to identify the prevalence and longitudinal association of sexual dysfunction (SD) with CVD in Joslin Medalists.


Description and association of self-assessment of SD in males of the Medalist cohort by self-reported sexual problems with CVD. SD is validated through the use of the abbreviated International Index of Erectile Dysfunction (IIEF).


Of 301 males in the Medalist Study, 69.8% reported a history of SD. Unadjusted risk factors included elevated glycated hemoglobin (HbA1c) (P=0.02), elevated BMI (P=0.03), higher total cholesterol (P=0.02), lower HDL (P<0.01), and increased levels of interleukin-6 (P=0.03). SD was independently associated with CVD (age-, HbA1c-, and BMI-adjusted OR 1.9 [95% CI 1.0-3.5]). In adjusted analyses, retinal, neural, and renal complications were not associated (P>0.05) with SD. Current report of SD (IIEF scoreā‰¤17) in a subset of Medalists was significantly correlated with self-reported longitudinal SD.


SD in those with extreme-duration type 1 diabetes is independently associated with CVD, representing a large-vessel pattern. The findings suggest that SD may predict CVD in those with type 1 diabetes of long duration. These individuals have also been found to be relatively free of microvascular complications.

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