ECE2006 Poster Presentations Diabetes, metabolism and cardiovascular (174 abstracts)
Association of hypogonadism and type 2 diabetes in men attending an outpatient erectile dysfunction clinic
G Corona 1 , E Mannucci 2 , L Petrone 1 , R Mansani 1 , G Balercia 3 , R Giommi 4 , V Chiarini 5 , G Forti 1 & M Maggi 1
1Andrology Unit University of Florence, Florence, Italy; 2Geriatric Unit, Diabetes Section, University of Florence, Florence, Italy; 3Endocrinology Unit, Polytechnic University of Marche, Ancona, Italy; 4International Institute of Sexology, Florence, Italy; 5Endocrinology Unit, Maggiore-Bellaria Hospital, Bologna, Italy.
Introduction and objectives: Aim of this study is to evaluate the psycho-biological correlates of DM associated hypogonadism (DMAH).
Methods: The Structured Interview SIEDY was employed along with several biochemical, psychological and instrumental investigations. We defined hypogonadal subjects (HY) those with a circulating total testosterone (T) below 10.4 nM.
Results: We studied 1246 patients. More than 15% resulted affected by type 2 DM and 1/3 of them were also HY. DMAH was associated with a significant reduction of the androgen-dependent marker PSA, as indicating the presence of a biological, more than biochemical, hypogonadism. In addition, DMAH was associated with hypogonadism-related symptoms, such as reduction in libido, leading to a decrease number of sexual attempts. In DMAH, testis size and LH concentrations were significantly reduced, suggesting a central origin of the disease. DMAH was associated with higher prevalence of depression symptoms than the rest of type 2 DM sample. DMAH patients showed a lower duration of disease and lower DM-associated complications, as nephropathy when compared to the rest of type 2 DM sample. However, they were showed higher BMI and higher triglyceride and lower HDL cholesterol than the rest of type 2 DM patients. A negative association was found between BMI and T plasma levels (−0.353; P<0.0001). At penile Duplex ultrasound (PDU), DMAH was associated with a decrease in acceleration rate and basal pick systolic velocity. PDU parameters were inversely related to DMAH, even after adjusting for age and BMI.
Conclusion: Hypogonadism frequently complicates type 2 DM. DMAH might exacerbate sexual dysfunction by reducing libido and mood and further compromising penile vascular reactivity and lipid metabolism. Hence, testing circulating T is strongly recommended in ED subjects with type 2 DM.
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Endocrine Abstracts
ISSN 1470-3947 (print) | ISSN 1479-6848 (online)
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