Conceição Eva M, Mitchell James E, Pinto-Bastos Ana, Arrojado Filipa, Brandão Isabel, Machado Paulo P P
School of Psychology, University of Minho, Braga, Portugal.
Neuropsychiatric Research Institute, Fargo, North Dakota; University of North Dakota, School of Medicine and Health Sciences, Fargo, North Dakota.
Surg Obes Relat Dis. 2017 Jun;13(6):1063-1070. doi: 10.1016/j.soard.2016.12.006. Epub 2016 Dec 20.
The literature is rather mixed regarding the stability and the role of pre- and postoperative problematic eating behaviors (PEBs) on weight outcomes after bariatric surgery.
To investigate the stability of loss of control (LOC) eating and picking and/or nibbling from pre- to postoperative assessments, and to investigate whether pre- and postoperative PEBs are predictors of different weight loss trajectories.
Central Hospital, University, Portugal.
This longitudinal study assessed LOC eating and picking and/or nibbling before and approximately 2 years after laparoscopic adjustable gastric banding or Roux-en-Y gastric bypass through face-to-face interviews and 2 self-report measures. Weight across follow-up time was retrieved from hospital charts. Of the 130 patients invited to participate in the study, 100 were assessed preoperatively, and of these, 61 were also assessed postoperatively.
Frequency of PEBs is similar pre- and postoperatively (37.7% and 45.9%, respectively) (McNemar χP = .832). Yet, about 40% ceased preoperative PEBs. Those with LOC preoperatively were more likely to develop picking and/or nibbling postoperatively (McNemar χP<.05). About 39.5% developed PEBs de novo after surgery. The presence of PEBs postoperatively was a significant predictor of different weight loss trajectories after both laparoscopic adjustable gastric banding and Roux-en-Y gastric bypass. Worse weight loss outcomes were found particularly at 17-20 months postsurgery. Preoperative PEBs were not a significant predictor.
Our data do not support the stability of all PEBs across time, highlighting that the absence of preoperative PEBs does not preclude an unfavorable weight loss outcome after surgery. Postoperative but not preoperative PEBs are predictors of poorer weight loss trajectories after surgery.
关于减肥手术后问题饮食行为（PEB）的稳定性及其对体重结果的作用，文献报道相当混杂。
研究从术前到术后评估中失控（LOC）饮食以及挑食和/或少量进食的稳定性，并研究术前和术后的PEB是否是不同体重减轻轨迹的预测因素。
葡萄牙大学中心医院。
这项纵向研究通过面对面访谈和两项自我报告措施，评估了腹腔镜可调节胃束带术或Roux-en-Y胃旁路术后约2年及术前的LOC饮食以及挑食和/或少量进食情况。随访期间的体重数据从医院病历中获取。邀请参与研究的130例患者中，100例进行了术前评估，其中61例也进行了术后评估。
PEB的频率在术前和术后相似（分别为37.7%和45.9%）（McNemar χP = 0.832）。然而，约40%的患者术前PEB消失。术前有LOC的患者术后更有可能出现挑食和/或少量进食（McNemar χP<0.05）。约39.5%的患者术后新发PEB。术后PEB的存在是腹腔镜可调节胃束带术和Roux-en-Y胃旁路术后不同体重减轻轨迹的重要预测因素。特别是在术后17 - 20个月时发现体重减轻结果较差。术前PEB不是一个重要的预测因素。
我们的数据不支持所有PEB随时间的稳定性，强调术前没有PEB并不排除术后体重减轻结果不佳。术后而非术前的PEB是术后体重减轻轨迹较差的预测因素。
