Gastric Bypass Surgery Restores Sexual Function In Morbidly Obese Men
Main Category: Sexual Health / STDsAlso Included In: GastroIntestinal / Gastroenterology; Obesity / Weight Loss / Fitness; Men's health
Article Date: 15 May 2008 - 5:00 PST
Losing weight may help resolve erectile dysfunction in obese men, according to research presented at the 103rd Annual Scientific Meeting of the American Urological Association (AUA). Morbid obesity can cause sexual dysfunction independent of other common confounders, including diabetes, hypertension and smoking. In this study from researchers in Boston and Philadelphia, sexual function was normalized in some men who underwent gastric bypass surgery for weight loss. Researchers will present data to reporters during a special press conference on May 19, 2008 at 10:30 a.m.
"This study shows that weight loss and other risk factors which are alleviated by weight loss may be keys to restoring sexual function," said Anthony Y. Smith, M.D. "These results give men another reason to improve their health by losing weight."
In this study, 95 patients undergoing gastric bypass surgery for weight loss completed the Brief Sexual Inventory (BSI) pre- and post-operatively. On average, BSI scores improved in all categories, including sexual drive, erectile function, ejaculatory function, problem assessment and sexual satisfaction. The amount of weight lost predicted the degree of improvement in all areas of the survey. Results were then compared to data from the Olmstead County Study of Urinary Health Status Survey, a community-based prospective study often used as a baseline for study comparison. After an average of 67 percent weight loss post-bypass, BSI scores were comparable to patients in the Olmstead Study.
Gastric bypass surgery, a procedure that reduces the body's caloric intake, can be used to induce significant weight loss in the obese. Calorie reduction is accomplished by making the stomach smaller and bypassing part of the stomach and small intestines so that fewer calories are absorbed. The patient feels full faster and learns to reduce the amount of food that he/she eats.
In addition to the author, Anthony Y. Smith, M.D., a member of the AUA Public Media Committee, will be on hand to answer questions and provide third-party perspective on the study.
Dallal Rm, Smith JA, O'Leary MP, Harkaway RC, Sawh SL: Profound sexual dysfunction is common in the morbidly obese male and is reversed after gastric bypass surgery. J Urol, suppl., 2008; 179:405, abstract 1178.
About the American Urological Association: Founded in 1902 and headquartered near Baltimore, Maryland, the American Urological Association is the pre-eminent professional organization for urologists, with more than 15,000 members throughout the world. An educational nonprofit organization, the AUA pursues its mission of fostering the highest standards of urologic care by carrying out a wide variety of programs for members and their patients, including UrologyHealth.org, an award-winning on-line patient education resource, and the American Urological Association Foundation, Inc.
American Urological Association (AUA)
1000 Corporate Blvd.
Linthicum, MD 21040
United States
http://www.auanet.org
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Credit Goes To Restricting Carbohydrates Absorption.
posted by Robert Su M.D. on 3 Jan 2010 at 2:56 pmI am not surprised at all that gastric bypass surgery improves erectile dysfunction. Credit goes to restricting carbohydrate absorption because of the surgical form of carbohydrate-restricted diet.
All the medical professionals and many lay people should understand that there is no secret that the more carbohydrates (except the indigestible fibers) we eat, the higher the blood glucose level in our circulation will be. The higher the blood glucose level (hyperglycemia), the severer the vasoconstriction will be. The roles of hyperglycemia include (1) inflammatory and proinflammatory, (2) thrombotic and prothrombotic, (3) vasoconstrictive or prohypertensive, (4) arteriosclerotic and atherosclerotic, and (5) pro-glycation or glycosylation. Vasoconstriction is a result of interfering the nitric oxide synthesis and release by blood glucose, in consequence, erectile dysfunction is developed. Reducing the blood glucose level can reverse the above sequence partially, if not totally.
Gastric bypass surgery reroutes most of polysaccharides and disaccharides to a small portion of the distal end of the small intestine and reduces the contact time between polysaccharides and disaccharides and the pancreatic amylase, which breaks them down into monosaccharides for absorption. Therefore, a majority of polysaccharides and disaccharides are shuffled into the colon for waste. The body takes in much less monosaccharides, thus a much smaller amount of sugars into the circulation, In effect, a post-gastric bypass patient now maintains a low, normal blood glucose level, as long as he consumes little or no monosaccharides.
If it is okay for the patient to restore his health with a surgical form of carbohydrate-restricted diet, why does he not simply adopt a carbohydrate-restricted diet without surgery in the first place? Changing our diets will reverse or avoid the diabetic condition, improve the cardiovascular system including erectile dysfunction, reduce the risks of many diseases including cancers and Alzheimer's disease! Above all, we can save the health care cost without having to force ourselves into socialized medicine!
Robert Su, Pharm.B., M.D.
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