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Men's testosterone levels increase after weight loss surgery


June 5, 2011 - Washington

A new study has suggested that low testosterone levels and symptoms of male sexual dysfunction due to Obesity can be reversed with Weight loss after bariatric surgery.

"Morbidly obese men have a high prevalence of hypotestosteronenemia, or low testosterone, and of sexual dysfunction. It is reassuring that these problems are potentially curable by Weight loss," said study co-author Jean-Paul Thissen, MD, PhD, a professor at the University of Louvain in Brussels.

The researchers experimented with 75 obese male patients to assess erectile dysfunction and low sex drive. Each of them underwent hormone testing, measurements of body fat and assessment by questionnaire of signs of androgen, or male hormone, deficiency.

Among these patients, 17 underwent Gastric bypass surgery and were reassessed three and 12 months later.

Initial assessment of the 75 patients showed that 54 had signs and symptoms of androgen deficiency, while 27 had low testosterone levels.

But the 17 men, who had lost an average of 90.2 pounds after the weight-loss surgery, saw a reversal of testosterone deficiency as their testosterone levels sufficiently increased after one year.

"This correlation suggests a potential causal relationship between Obesity and low testosterone," said Thissen.

The results were presented at The Endocrine Society's 93rd Annual Meeting in Boston.

ANI

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