Weight Loss After One Anastomosis Gastric Bypass-Mini Gastric Bypass (OAGB-MGB): Patient-Related Perioperative Predictive Factors

Ansar, H. and Zamaninour, N. and Pazouki, A. and Kabir, A. (2020) Weight Loss After One Anastomosis Gastric Bypass-Mini Gastric Bypass (OAGB-MGB): Patient-Related Perioperative Predictive Factors. Obesity Surgery, 30 (4). pp. 1316-1323.

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Aim: The aim of this study was to find independent perioperative factors predicting unsuccessful weight loss following one anastomosis gastric bypass-mini gastric bypass (OAGB-MGB), a recently developed technique of bariatric surgery. Methods: Using regression analysis, this prospective cohort study assessed the role of demographic and socioeconomic factors, clinical features, body composition, length of biliopancreatic limb (LBL), nutritional habits, comorbidities, and early post-operative weight reduction values, in predicting 1-year weight loss after OAGB-MGB. All patients at the center who underwent laparoscopic OAGB-MGB between October 2010 and May 2017 were included. The dependent variable was the percent of excess weight loss (EWL) after 12-month follow-up. Weight loss outcome was defined as successful EWL (� 50) or unsuccessful EWL (< 50). Results: Follow-up data at 1 year was available for 1309 (77) patients. Mean EWL and BMI reduction were 81.63 and 16.82 ± 4.37 kg/m2 at 1 year. In addition, 48 (3.7) patients had unsuccessful weight loss. Pre-operative higher BMI (OR, 1.34; p = 0.001), type 2 diabetes (OR, 4.26; p = 0.039), pre-surgery volume eating habit (OR, 0.12; p = 0.003), weight reduction value in the first month after surgery (OR, 0.80; p = 0.002), and length of biliopancreatic limb (LBL) (OR, 1.05; p = 0.017) were independently associated with unsuccessful weight loss at 1-year follow-up. Conclusions: OAGB-MGB provides considerable weight loss for most patients. Initial lower BMI, absence of diabetes, being volume eater, and higher first month weight loss are independently associated with successful weight loss after 1 year. © 2019, Springer Science+Business Media, LLC, part of Springer Nature.

Item Type: Article
Additional Information: cited By 0
Uncontrolled Keywords: adult; aged; Article; body composition; body mass; body weight loss; clinical feature; cohort analysis; demography; diabetes mellitus; diet; digestive tract parameters; divorced person; eating habit; educational status; employment; fat mass; feeding behavior; female; follow up; gastric bypass surgery; habit; human; hyperlipidemia; hypertension; hypothyroidism; intra-abdominal fat; laparoscopic surgery; length of biliopancreatic limb; major clinical study; male; married person; mental disease; morbid obesity; non insulin dependent diabetes mellitus; one anastomosis gastric bypass mini gastric bypass; pensioner; perioperative period; postoperative period; priority journal; prospective study; retrospective study; sarcopenic obesity; single (marital status); sleep disordered breathing; socioeconomics; unemployment; waist circumference; waist to height ratio; widow
Subjects: WI Digestive System
Depositing User: eprints admin
Date Deposited: 13 Sep 2020 05:45
Last Modified: 13 Sep 2020 05:45
URI: http://eprints.iums.ac.ir/id/eprint/23756

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