Abstract
BackgroundBariatric surgery is the most effective treatment for obesity classes II and III. However, some patients do not get the desired results or initially lose and then regain the lost weight. Identifying these individuals early on and treating them adequately remains a challenge. As binge eating directly affects food intake, the study of this symptom and its relation to bariatric surgery and its results is increasing, because it appears to have an influence on the results of surgery.ObjectivesThis study aimed to see how binge eating changes, measured with the Binge Eating Scale, interferes in the % excess weight loss one year after Roux-en-Y gastric bypass.MethodsWe conducted a cross-sectional study with 149 patients older than 18 years who were evaluated one year after undergoing Roux-en-Y gastric bypass. The variation in the intensity of binge eating was measured with the pre- and postoperative Binge Eating Scale scores.ResultsThe variation of one unit in the Binge Eating Scale implied an inverse variation of 0.41% of % excess weight loss (p<0.05). The correlation coefficient between the variation of binge eating and the % excess weight loss was -0.186 (p = 0.033). The correlation coefficient between the binge eating symptoms one year after surgery and the % excess weight loss was -0.353 (p<0.001).ConclusionsThere was a correlation between the variation of binge eating one year after gastric bypass and the % excess weight loss. The correlation between binge eating and the % excess weight loss was greater after the surgery than it was at the preoperative stage. This study provides new, valuable information on the intensity and variation of binge eating symptoms one year after gastric bypass, which, to the best of our knowledge, have not been studied in depth earlier.
Highlights
Bariatric surgery is the most effective treatment for the control of classes II and III obesity and reduces mortality and controls related chronic diseases [1]
The variation of one unit in the Binge Eating Scale implied an inverse variation of 0.41% of % excess weight loss (p
There was a correlation between the variation of binge eating one year after gastric bypass and the % excess weight loss
Summary
Bariatric surgery is the most effective treatment for the control of classes II and III obesity and reduces mortality and controls related chronic diseases [1]. As eating behavior directly affects any treatment for obesity, the study of this behavior and its alterations has been increasing in recent years, since it may be related to the response to the surgery [6,7] New technologies such as functional magnetic resonance imaging have identified the brain circuits related to eating behavior, mainly through the visual stimulus of palatable food, leading to the activation of these circuits [8]. Brain circuitry related to reward and attention, which had been highly active preoperatively, diminished patients’ response to the same stimulus shortly after bariatric surgery [9,10,11] This is the reverse of what happens in diets where there is significant caloric deprivation; the activation of these circuits increases. As binge eating directly affects food intake, the study of this symptom and its relation to bariatric surgery and its results is increasing, because it appears to have an influence on the results of surgery
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