Weight loss in adults following bariatric surgery, a systematic review of preoperative behavioural predictors

Kourounis, G. , Kong, C. Y., Logue, J. and Gibson, S. (2020) Weight loss in adults following bariatric surgery, a systematic review of preoperative behavioural predictors. Clinical Obesity, 10(5), e12392. (doi: 10.1111/cob.12392) (PMID:32691530)

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Abstract

Bariatric surgery is effective in treating obesity in many cases, yet as many as 50% of patients may not achieve the desired weight reduction. Preoperative modifiable behavioural factors could help patient selection and intervention design to improve outcomes. Medline, EMBASE, Cochrane Library and PsychINFO were searched to identify studies published between 1 January 2008 and 14 February 2019 reporting on preoperative modifiable behavioural factors associated with postoperative weight loss, with minimum 2 years follow‐up. A total of 6888 articles were screened, 34 met the inclusion criteria. Maladaptive eating behaviours (MEB), preoperative weight loss (PWL), and tobacco use were reported 21, 18, and 3 times respectively. Physical activity and substance abuse were each reported once. Most articles on PWL (72.2%) and MEB (52.4%) reported no association. Positive associations were reported in 22.2% and 14.3% of articles for PWL and MEB respectively. Negative associations were reported in 5.6% and 33.3% of articles for PWL and MEB, respectively. Marked heterogeneity in outcome reporting hindered quantitative synthesis. The current paucity of evidence amenable to synthesis leads to ongoing uncertainty regarding the size and direction of association between PWL and MEB with outcomes following bariatric surgery. Long‐term studies with common reporting of outcomes are needed.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Kourounis, Dr Georgios and Kong, Dr Chia Yew and Gibson, Mr Simon and Logue, Dr Jennifer
Authors: Kourounis, G., Kong, C. Y., Logue, J., and Gibson, S.
College/School:College of Medical Veterinary and Life Sciences > Institute of Cardiovascular and Medical Sciences
College of Medical Veterinary and Life Sciences > School of Medicine, Dentistry & Nursing
Journal Name:Clinical Obesity
Publisher:Wiley
ISSN:1758-8111
ISSN (Online):1758-8111
Published Online:20 July 2020
Copyright Holders:Copyright © 2020 The Authors
First Published:First published in Clinical Obesity 10(5):e12392
Publisher Policy:Reproduced under a Creative Commons license

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