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01-08-2021 | Obesity | Review

How Does Fat Mass Change in the First Year After Bariatric Surgery? A Systemic Review and Meta-Analysis

Authors: Neda Haghighat, Damoon Ashtari-Larky, Ladan Aghakhani, Omid Asbaghi, Hamidreza Hoseinpour, Babak Hosseini, Ali Shahabinezhad, Arash Pourmohammad, Seyed Vahid Hosseini, Masoud Amini, Cain C.T. Clark, Alimohammad Bananzadeh

Published in: Obesity Surgery | Issue 8/2021

Abstract

This systematic review and meta-analysis investigated the time-course effect of different type of bariatric surgeries (BS) up to 1 year post-surgery on fat mass (FM) and body fat percentage (BFP) in patients with morbid obesity. We searched PubMed, Scopus, EMBASE, ISI web of science, and Cochrane databases from October 2002 until May 2020 with no restriction in the English language, to find studies examining the effect of BS on FM (kg) and BFP (%) in morbid obese patients. Meta-analysis of 103 studies carried out on data of 18,166 and 14,575 morbid obese patients following BS, showed that BS was associated with a substantial decrease in FM and BFP, respectively, in 1 month (− 8.17 kg [95% CI − 9.07, − 7.27] and − 1.51% [95% CI − 2.56, − 0.46]), 3 months (− 15.75 [95% CI − 17.49, − 14.0] and − 4.90 [95% CI − 5.97, − 3.83]), 6 months (− 22.51 [95% CI − 23.93, − 21.09] and − 8.56% [95% CI − 9.63, − 7.49]), and 12 months (− 29.69 [95% CI − 31.3, − 28.09] and − 13.49% [95% CI − 14.52, − 12.40]) after the surgery. In conclusion, BS was associated with sustained declines in FM and BFP, from 1 to 12 months, with no indication of plateau phase post-surgery post-operatively. The present study emphasizes that post-bariatric care should have more focus on FM loss during 1-year post-surgery to identify the patients at risk for fat loss plateau.

Graphical abstract

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Title: How Does Fat Mass Change in the First Year After Bariatric Surgery? A Systemic Review and Meta-Analysis
Authors: Neda Haghighat
Damoon Ashtari-Larky
Ladan Aghakhani
Omid Asbaghi
Hamidreza Hoseinpour
Babak Hosseini
Ali Shahabinezhad
Arash Pourmohammad
Seyed Vahid Hosseini
Masoud Amini
Cain C.T. Clark
Alimohammad Bananzadeh
Publication date: 01-08-2021
Publisher: Springer US
Keywords: Obesity
Obesity
Sleeve Gastrectomy
Bariatric Surgery
Bariatric Surgery
Dexamethasone
Published in: Obesity Surgery / Issue 8/2021
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI: https://doi.org/10.1007/s11695-021-05512-9

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

How Does Fat Mass Change in the First Year After Bariatric Surgery? A Systemic Review and Meta-Analysis

Abstract

Graphical abstract

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Graphical abstract

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