Title: Thyroid hormones and male sexual function
Authors: Corona, G ×
Wu, F C W
Forti, G
Lee, D M
O'Connor, D B
O'Neill, T W
Pendleton, N
Bartfai, G
Boonen, Steven
Casanueva, F F
Finn, J D
Giwercman, A
Huhtaniemi, I T
Kula, K
Lean, M E J
Punab, M
Vanderschueren, Dirk
Jannini, E A
Mannucci, E
Maggi, M
the EMAS Study Group #
Issue Date: Oct-2012
Publisher: Scriptor Publisher ApS
Series Title: International Journal of Andrology vol:35 issue:5 pages:668-679
Article number: 10.1111/j.1365-2605.2012.01266.x
Abstract: The role of thyroid hormones in the control of erectile functioning has been only superficially investigated. The aim of the present study was to investigate the association between thyroid and erectile function in two different cohorts of subjects. The first one derives from the European Male Ageing Study (EMAS study), a multicentre survey performed on a sample of 3369 community-dwelling men aged 40-79 years (mean 60 ± 11 years). The second cohort is a consecutive series of 3203 heterosexual male patients (mean age 51.8 ± 13.0 years) attending our Andrology and Sexual Medicine Outpatient Clinic for sexual dysfunction at the University of Florence (UNIFI study). In the EMAS study all subjects were tested for thyroid-stimulating hormone (TSH) and free thyroxine (FT4). Similarly, TSH levels were checked in all patients in the UNIFI study, while FT4 only when TSH resulted outside the reference range. Overt primary hyperthyroidism (reduced TSH and elevated FT4, according to the reference range) was found in 0.3 and 0.2% of EMAS and UNIFI study respectively. In both study cohorts, suppressed TSH levels were associated with erectile dysfunction (ED). Overt hyperthyroidism was associated with an increased risk of severe erectile dysfunction (ED, hazard ratio = 14 and 16 in the EMAS and UNIFI study, respectively; both p < 0.05), after adjusting for confounding factors. These associations were confirmed in nested case-control analyses, comparing subjects with overt hyperthyroidism to age, BMI, smoking status and testosterone-matched controls. Conversely, no association between primary hypothyroidism and ED was observed. In conclusion, erectile function should be evaluated in all individuals with hyperthyroidism. Conversely, assessment of thyroid function cannot be recommended as routine practice in all ED patients.
ISSN: 0105-6263
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Clinical and Experimental Endocrinology
Gerontology and Geriatrics
× corresponding author
# (joint) last author

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