Review of post bariatric surgery effects on common genitourinary physiology

Vol. 44 (4): 680-687, July – August, 2018

doi: 10.1590/S1677-5538.IBJU.2017.0416


REVIEW ARTICLE

Aline A. Yacoubian 1, Rami Nasr 1
1 Division of Urology, Department of Surgery, American University of Beirut Medical Center, Beirut, Lebanon

ABSTRACT

Background: Obesity is a worldwide challenging health problem. Weight loss through medical management of obesity has not always been successful, thus, giving rise to the need for surgical intervention. Bariatric surgery has been shown to be helpful for morbidly obese patients. However, studies have also shown the effect of surgery on stone formation, fertility and erectile function. This review summarizes the main find­ings of several studies that analyze stone formation and fertility in men as well as erectile function post bariatric surgery. The underlying pathophysiologic alterations post bariatric surgery include increased absorption of oxalate leading to hyperoxaluria, hypocitraturia and increased urinary calcium oxalate supersaturation. Contradicting data exist on the effect of bariatric surgery on fertility and erectile function. Further studies are needed to analyze the mechanisms.

Keywords: Obesity; Bariatric Surgery; Nephrolithiasis; Fertility

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