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Obesity Surgery
Published in: Obesity Surgery 4/2020

01-04-2020 | Obesity | Original Contributions

Midterm Outcome of Laparoscopic Sleeve Gastrectomy in Asians: a Systematic Review and Meta-analysis

Authors: Veeravich Jaruvongvanich, Nicha Wongjarupong, Kornpong Vantanasiri, Parinya Samakkarnthai, Patompong Ungprasert

Published in: Obesity Surgery | Issue 4/2020

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Abstract

Background

Laparoscopic sleeve gastrectomy (LSG) is a commonly performed bariatric surgery. Studies have suggested that LSG can provide effective and sustainable weight loss although most of them were conducted in Western populations. Our aim was to characterize the midterm outcome of LSG in Asians with obesity.

Methods

MEDLINE and EMBASE were searched through August 2019 for studies that reported % total body weight loss (TBWL) and/or % excess weight loss (EWL) at 3 and/or 5 years among adult Asians with obesity who underwent LSG. Data on complications and surgical revision rate were also extracted. The pooled effect size and 95% confidence interval (CI) were calculated using a random effects model.

Results

A total of 19 studies involving 6235 patients were included. The pooled mean %EWLs were 72.6% (95% CI 67.2–78.0, I2 = 97%); 67.1% (95% CI 61.7–72.6, I2 = 95%); and 59.1% (95% CI 48.8–69.4, I2 = 94%) at 1, 3, and 5 years, respectively. The pooled mean %TBWLs were 32.1%, 29.0%, and 25.5% at 1, 3, and 5 years, respectively. The pooled rates of revision due to gastroesophageal reflux disease and weight regain were 1.9% and 2.5%, respectively.

Conclusions

Our meta-analysis suggests that LSG is an effective procedure for weight reduction that offers durable response for up to 5 years among Asians with obesity. The longer-term data is needed.
Appendix
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Metadata
Title
Midterm Outcome of Laparoscopic Sleeve Gastrectomy in Asians: a Systematic Review and Meta-analysis
Authors
Veeravich Jaruvongvanich
Nicha Wongjarupong
Kornpong Vantanasiri
Parinya Samakkarnthai
Patompong Ungprasert
Publication date
01-04-2020
Publisher
Springer US
Published in
Obesity Surgery / Issue 4/2020
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-019-04332-2

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