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Meta-Analysis
. 2021 Jul 13;13(7):2396.
doi: 10.3390/nu13072396.

The Development of Feeding and Eating Disorders after Bariatric Surgery: A Systematic Review and Meta-Analysis

João Victor Taba  1 , Milena Oliveira Suzuki  1 , Fernanda Sayuri do Nascimento  1 , Leandro Ryuchi Iuamoto  2 , Wu Tu Hsing  2 , Leonardo Zumerkorn Pipek  1 , Luiz Augusto Carneiro-D'Albuquerque  3 , Alberto Meyer  3 , Wellington Andraus  3
Affiliations
Meta-Analysis

The Development of Feeding and Eating Disorders after Bariatric Surgery: A Systematic Review and Meta-Analysis

João Victor Taba et al. Nutrients. .

Abstract

Background: Patients in the postoperative period following bariatric surgery are at risk of developing eating disorders. This study aims to analyze the relation between bariatric surgery and the development and recurrence of eating disorders.

Material and methods: A literature review was carried out on 15 November 2020. Fourteen studies that met the eligibility criteria were included for qualitative synthesis, and 7 studies for meta-analysis.

Results: The prevalence of eating disorders in the postoperative period was 7.83%, based on the 7 studies in the meta-analysis. Binge eating disorder alone was 3.81%, which was the most significant factor, and addressed in 6 of these studies.

Conclusion: The investigated studies have significant methodological limitations in assessing the relation between bariatric surgery and eating disorders, since they mostly present data on prevalence. PROSPERO CRD42019135614.

Keywords: bariatric surgery; binge-eating disorder; feeding and eating disorders; food addiction; night eating syndrome.

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Conflict of interest statement

The authors declare that they have no competing interest.

Figures

Figure 1
Figure 1
Search flow.
Figure 2
Figure 2
Graph of risk analysis of general bias in articles.
Figure 3
Figure 3
Summary of risk analysis of general articles bias [13,14,15,16,17,18,19,20,21,22,23,24,25,26].
Figure 4
Figure 4
Total prevalence of disorders in the postoperative period [13,14,15,16,17,18,19,20,21,22,23,24,25,26].
Figure 5
Figure 5
Prevalence of disorders in the postoperative period by type of surgery [13,14,15,16,17,18,19,20,21,22,23,24,25,26].
Figure 6
Figure 6
Prevalence of BED (Binge-Eating Disorder) in the postoperative period [13,14,15,16,17,18,19,20,21,22,23,24,25,26].
Figure 7
Figure 7
Analysis of publication bias.
See this image and copyright information in PMC

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