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Changes in Energy Expenditure of Patients with Obesity Following Bariatric Surgery: a Systematic Review of Prospective Studies and Meta-analysis

Authors
  • Li, Kun1
  • Shi, Wentao2
  • Zhao, Feng1
  • Yang, Chengcan1
  • Dai, Qiancheng1
  • Wang, Bing1
  • Li, Yousheng1
  • 1 Shanghai JiaoTong University School of Medicine, Department of General Surgery, Shanghai Ninth People’s Hospital, No. 639 Zhizaoju Road, HuangPu District, Shanghai, 200011, People’s Republic of China , Shanghai (China)
  • 2 Shanghai JiaoTong University School of Medicine, Clinical Research Center, Shanghai Ninth People’s Hospital, Shanghai, 200011, People’s Republic of China , Shanghai (China)
Type
Published Article
Journal
Obesity Surgery
Publisher
Springer-Verlag
Publication Date
Apr 23, 2019
Volume
29
Issue
7
Pages
2318–2337
Identifiers
DOI: 10.1007/s11695-019-03851-2
Source
Springer Nature
Keywords
License
Yellow

Abstract

We herein summarize the available literature on the effects of bariatric surgery (BS) on energy expenditure in individuals with obesity. We conducted a systematic literature review, and 35 prospective studies met our inclusion criteria. The findings indicate that BS contributes to increased diet-induced thermogenesis (DIT) and decreased total energy expenditure (TEE) and resting energy expenditure (REE) in patients with obesity. The meta-analysis demonstrated a significant decrease in TEE and REE within 6 months following BS. With the sustained decrease in REE, there was no further decrease in TEE between the 6- and 12-month follow-up. Increased DIT might explain the variance between the patterns of REE and TEE change. The postoperative decrease in REE/FFM and increase in REE/BW were observed. The changes in substrate utilization might be consistent with the change in the respiration quotient postoperatively.

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