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Review
. 2024 Jul 11;10(14):e34339.
doi: 10.1016/j.heliyon.2024.e34339. eCollection 2024 Jul 30.

Long-term systemic effects of metabolic bariatric surgery: A multidisciplinary perspective

Mohammad Reza Rajabi  1 , Masoud Rezaei  2   3 , Arash Abdollahi  4 , Zahra Gholi  4 , Somayeh Mokhber  4 , Gholamreza Mohammadi-Farsani  4   5 , Danial Abdoli  6 , Seyed Davood Mousavi  6 , Helen Amini  6 , Maryam Ghandchi  6
Affiliations
Review

Long-term systemic effects of metabolic bariatric surgery: A multidisciplinary perspective

Mohammad Reza Rajabi et al. Heliyon. .

Abstract

Background: Obesity is a global health crisis with profound implications on various body systems, contributing to a series of comorbidities. Metabolic Bariatric Surgery (MBS) has emerged as an effective treatment option for severe obesity, with significant weight reduction and potential systemic physiological alterations.

Objectives: This narrative review aims to provide a comprehensive analysis of the long-term effects of MBS on a wide array of body systems, including the heart, liver, kidneys, reproductive system, skin, lungs, digestive tract, pancreas, and blood, as well as related cancers of these organs.

Methods: A systematic search was conducted in academic databases (PubMed, ISI Web of Science, and Scopus) for observational studies and reviews published between July 2000 and December 2023, investigating the association between MBS and the subsequent function of different organ systems. High-quality studies were prioritized to ensure reliable evidence synthesis.

Results: MBS has demonstrated favorable outcomes in reducing cardiovascular disease risk, improving cardiac function, and alleviating heart failure symptoms. It has also been associated with improved respiratory function, remission of obstructive sleep apnea, and reduced cancer incidence and mortality. Additionally, MBS has shown benefits in managing gastrointestinal disorders, enhancing glycemic control, and promoting pancreatic beta-cell regeneration in type 2 diabetes mellitus. However, some methods of MBS are associated with a higher risk of cholelithiasis, GERD, and pancreatic exocrine insufficiency.

Conclusion: MBS has far-reaching systemic effects beyond weight loss, offering potential long-term benefits for various organ systems and comorbidities associated with obesity. For many patients with severe obesity, the potential benefits of Metabolic and Bariatric Surgery (MBS) can outweigh the associated risks. However, careful evaluation by a qualified healthcare professional is crucial to determine candidacy and ensure a successful outcome. Further research is needed to fully elucidate the long-term impacts and tailor personalized treatment approaches.

Keywords: Bariatric surgery; Cardiovascular system; Digestive system; Kidney; Liver; Long-term care; Metabolic diseases; Neoplasms; Obesity; Organ systems.

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Conflict of interest statement

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Figures

Fig. 1
Fig. 1
Summary of the long-term effects of MBS on various body organs and diseases.
See this image and copyright information in PMC

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