[Analysis of the dumping syndrome on morbid obese patients submitted to Roux en Y gastric bypass].

Objective: The objective of this research was to determine the real prevalence and characteristics of dumping syndrome in a series of cases submitted to laparoscopic Roux-en-Y gastric bypass for morbid obesity.

Methods: We assessed dumping symptoms in 34 patients who had undergone that procedure; they filled a questionnaire, which included the dumping clinical diagnosis score proposed by Sigstad.

Results: regarding patients' complaints, dumping prevalence was 44%.