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The role of dumping syndrome in weight loss after gastric bypass surgery

机译：倾倒综合征在胃搭桥手术后减肥中的作用

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Background: Roux-en-Y gastric bypass is the most commonly performed operation for the treatment of morbid obesity in the US. Dumping syndrome is an expected and desired part of the behavior modification caused by gastric bypass surgery; it can deter patients from consuming energy-dense food. In this study we assessed the role dumping has in weight loss and its relationship with the patient's eating behavior. Methods: Fifty patients who underwent gastric bypass between January 2008 and June 2008 were enrolled. Two questionnaires, the dumping syndrome questionnaire and the Three-Factor Eating Questionnaire (TFEQ), were used to record the patients' responses. The diagnosis of dumping syndrome was based on the Sigstad scoring system, where a score of 7 and above was considered positive. TFEQ evaluated the patients' eating behavior under three scales: cognitive restraint, uncontrolled eating, and emotional eating. The results were analyzed with descriptive and parametric statistics where applicable. Results: The prevalence of dumping syndrome was 42 %, with 66.7 % of the subjects being women. The nondumpers were observed to have a greater mean decrease in body mass index than the dumpers at 1 and 2 years (18.5 and 17.8 vs. 14.4 and 13.7 respectively). There was no definite relationship between the presence of dumping syndrome and the eating behavior of the patient. However, the cognitive restraint scores, greater than 80 %, were associated with an average decrease in BMI of 19 and 20.8 at 1 and 2 years compared with 14.6 and 12.4 in those with scores less than 80 % (p = 0.01 and p = 0.03, respectively). Conclusion: The presence of dumping syndrome after gastric bypass does not influence weight loss, though eating behaviors may directly influence it.
机译：背景：在美国，Roux-en-Y胃旁路手术是最常用于治疗病态肥胖的手术。倾倒综合征是由胃搭桥术引起的行为改变的预期和期望部分。它可以阻止患者食用高能量的食物。在这项研究中，我们评估了倾泻在减肥中的作用及其与患者饮食行为的关系。方法：选择2008年1月至2008年6月期间接受胃旁路手术的50例患者。使用了两个调查表，即倾倒综合征调查表和三因素饮食调查表（TFEQ）来记录患者的反应。倾倒综合征的诊断是基于Sigstad评分系统，评分为7分或更高。 TFEQ从三个方面对患者的饮食行为进行了评估：认知约束，饮食失控和情绪饮食。在适用的情况下，使用描述性和参数统计分析结果。结果：倾倒综合征的患病率为42％，其中女性占66.7％。与非倾倒者相比，在1年和2年时，非倾倒者的体重指数平均下降幅度更大（分别为18.5和17.8，分别为14.4和13.7）。倾倒综合征的存在与患者的饮食行为之间没有明确的关系。然而，认知约束得分大于80％与1年和2年BMI的平均下降相关，而BMI分别低于19％和12.4和12.4，BMI分别低于19％和20.8（p = 0.01和p = 0.03 ， 分别）。结论：胃旁路手术后存在倾倒综合征并不影响体重减轻，尽管进食行为可能直接影响体重减轻。

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