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- Title
Low testosterone syndrome protects subjects with high cardiovascular risk burden from major adverse cardiovascular events.
- Authors
Corona, G.; Rastrelli, G.; Maseroli, E.; Fralassi, N.; Sforza, A.; Forti, G.; Mannucci, E.; Maggi, M.
- Abstract
The role of testosterone ( T) in the cardiovascular ( CV) health of men is controversial. Some data suggest that hypogonadism is associated with CV mortality but not morbidity, however, recent evidence shows that hypogonadal subjects treated with T replacement therapy have a higher incidence of new CV events. The aim of this study is to analyse whether gonadal status might predict new CV event incidence according to a patient's previous history of CV events, in a cohort of subjects complaining of sexual dysfunction. A consecutive series of 1687 patients was followed-up for a mean time of 4.3 ± 2.6 years for new occurrence of CV events, detecting 139 events. Hypogonadism (total T < 12 nmol/L) was not associated with an increased incidence of new CV events in the entire cohort. However, when considering patients with a previous history of CV events, hypogonadism was associated with a reduced risk of new CV events, even after adjusting for confounders (hazard ratios - HR = 0.498 [0.240; 0.996]; p = 0.049), whereas no relationship was observed in subjects free of previous CV events. Similar results were observed when reduced testis volume ( TV) was considered as a predictor of new CV events in subjects with previous CV events ( HR = 0.486 [0.257; 0.920]; p = 0.027). In patients with a history of previous CV events, but not in those without previous CV events, having both low T and low TV was associated with a lower incidence of new CV events as compared with subjects with only one or none of these conditions, even after adjusting for confounders ( HR = 0.514 [0.306; 0.864]; p for trend < 0.02). Notably, CV risk estimated with risk engines based on traditional risk factors was not different between hypogonadal and eugonadal subjects. In conclusion, hypogonadism could be interpreted as a protective mechanism in unhealthy conditions, such as previous CV events, to avoid fatherhood and spare energy.
- Subjects
TESTOSTERONE; CARDIOVASCULAR diseases risk factors; CARDIOVASCULAR disease related mortality; HYPOGONADISM; HORMONE therapy
- Publication
Andrology, 2014, Vol 2, Issue 5, p741
- ISSN
2047-2919
- Publication type
Article
- DOI
10.1111/j.2047-2927.2014.00241.x