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Wang G, Huang Y, Yang H, Lin H, Zhou S, Qian J. Impacts of bariatric surgery on adverse liver outcomes: a systematic review and meta-analysis. Surg Obes Relat Dis 2023; 19:717-726. [PMID: 36890087 DOI: 10.1016/j.soard.2022.12.025] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 11/11/2022] [Accepted: 12/10/2022] [Indexed: 12/24/2022]
Abstract
BACKGROUND Bariatric surgery has been reported to improve degeneration, inflammation, and fibrosis in nonalcoholic fatty liver disease, but the effects of bariatric surgery on the associated clinical outcomes is not known. OBJECTIVES This work aimed to assess the impacts of bariatric surgery on adverse liver outcomes in people with obesity. SETTING An electronic search was performed on EMBASE, PubMed, and Cochrane Central Register of Controlled Trials (CENTRAL). METHODS The primary outcome was the incidence of adverse liver outcomes following bariatric surgery. Liver cancer, cirrhosis, liver transplantation, liver failure, and liver-related mortality were defined as adverse hepatic outcomes. RESULTS We analyzed data from 18 studies comprising 16,800,287 post bariatric surgical patients and 10,595,752 control patients. We found that bariatric surgery reduced the risk of adverse liver outcomes in people with obesity (hazard ratio [HR] = .33, 95% confidence interval [CI] = .31-.34; I2 = 98.1%). The subgroup analysis showed that bariatric surgery reduced the risk of nonalcoholic cirrhosis (HR = .07, 95% CI = .06-.08; I2 = 99.3%) and liver cancer (HR = .37, 95% CI = .35-.39; I2 = 97.8%), although bariatric surgery may also increase the risk of postoperative alcoholic cirrhosis (HR = 1.32, 95% CI = 1.35-1.59). CONCLUSIONS This systematic review and meta-analysis revealed that bariatric surgery lowered the incidence of adverse hepatic outcomes. However, bariatric surgery may also increase the risk of alcoholic cirrhosis after surgery. Future randomized controlled trials are required to further investigate the effects of bariatric surgery on liver of people with obesity.
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Affiliation(s)
- Guocheng Wang
- Department of Gastrointestinal Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China; Department of Gastrointestinal Surgery, Graduate School of Dalian Medical University, Dalian, China
| | - Yan Huang
- Department of Head and Neck Surgery, Graduate School of Dalian Medical University, Dalian, China
| | - Haojun Yang
- Department of Gastrointestinal Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Huang Lin
- Department of Gastrointestinal Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Shengfang Zhou
- Department of Gastrointestinal Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Jun Qian
- Department of Gastrointestinal Surgery, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China.
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Francque SM, Marchesini G, Kautz A, Walmsley M, Dorner R, Lazarus JV, Zelber-Sagi S, Hallsworth K, Busetto L, Frühbeck G, Dicker D, Woodward E, Korenjak M, Willemse J, Koek GH, Vinker S, Ungan M, Mendive JM, Lionis C. Non-alcoholic fatty liver disease: A patient guideline. JHEP Rep 2021; 3:100322. [PMID: 34693236 PMCID: PMC8514420 DOI: 10.1016/j.jhepr.2021.100322] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Accepted: 06/08/2021] [Indexed: 02/07/2023] Open
Abstract
This patient guideline is intended for all patients at risk of or living with non-alcoholic fatty liver disease (NAFLD). NAFLD is the most frequent chronic liver disease worldwide and comes with a high disease burden. Yet, there is a lot of unawareness. Furthermore, many aspects of the disease are still to be unravelled, which has an important impact on the information that is given (or not) to patients. Its management requires a close interaction between patients and their many healthcare providers. It is important for patients to develop a full understanding of NAFLD in order to enable them to take an active role in their disease management. This guide summarises the current knowledge relevant to NAFLD and its management. It has been developed by patients, patient representatives, clinicians and scientists and is based on current scientific recommendations, intended to support patients in making informed decisions.
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Key Words
- ALD, alcohol-related or alcoholic liver disease
- ASH, alcoholic steatohepatitis
- BMI, body mass index
- CAP, controlled attenuation parameter
- CT, computed tomography
- CVD, cardiovascular disease
- EASD, European Association for the Study of Diabetes
- EASL, European Association for the Study of the Liver
- EASO, European Association for the Study of Obesity
- FIB-4, fibrosis-4 index
- FXR, farnesoid X receptor
- GLP-1 RAs, glucagon-like receptor 1 agonists
- GP, general practitioner
- HCC, hepatocellular carcinoma
- HDL, high-density lipoprotein
- LDL, low-density lipoproteins
- MRE, magnetic resonance elastography
- MRI, magnetic resonance imaging
- NAFL, non-alcoholic fatty liver
- NAFLD, non-alcoholic fatty liver disease
- NASH CRN, NASH Clinical Research Network
- NASH, non-alcoholic steatohepatitis
- NIT, non-invasive test
- SMART, specific, measurable, achievable, relevant, timely
- T1D, type 1 diabetes
- T2D, type 2 diabetes
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Affiliation(s)
- Sven M. Francque
- Department of Gastroenterology and Hepatology, Antwerp University Hospital, Antwerp, Belgium
- Laboratory of Experimental Medicine and Paediatrics (LEMP), Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
- InflaMed Centre of Excellence, University of Antwerp, Antwerp, Belgium
- Translational Sciences in Inflammation and Immunology, University of Antwerp, Antwerp, Belgium
| | - Giulio Marchesini
- IRCCS Azienda Ospedaliero-Universitaria di Bologna, Italy
- Department of Medical and Surgical Sciences, “Alma Mater” University, Bologna, Italy
| | | | | | | | - Jeffrey V. Lazarus
- Barcelona Institute for Global Health (ISGlobal), Hospital Clínic, University of Barcelona, Spain
| | - Shira Zelber-Sagi
- School of Public Health, Faculty of Social Welfare and Health Sciences, University of Haifa, Haifa, Israel
- Department of Gastroenterology and Hepatology, The Tel-Aviv Medical Center, Tel-Aviv, Israel
| | - Kate Hallsworth
- Newcastle NIHR Biomedical Research Centre, Newcastle Upon Tyne Hospitals NHS Foundation Trust, Newcastle Upon Tyne, UK
- Translational and Clinical Research Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK
| | - Luca Busetto
- Department of Medicine, University of Padova, Italy
- European Association for the Study of Obesity
| | - Gema Frühbeck
- Department of Endocrinology & Nutrition, University of Navarra Clinic, IdiSNA, CIBEROBN, Pamplona, Spain
- European Association for the Study of Obesity
| | - Dror Dicker
- Department of Internal Medicine, Rabin Medical Center Hasharon Hospital, Tikva, Israel
- European Association for the Study of Obesity
| | | | | | | | - Gerardus H. Koek
- Department of Internal Medicine, Division of Gastroenterology and Hepatology, Maastricht University Medical Centre, Maastricht, the Netherlands
- School of Nutrition and Translational Research in Metabolism (NUTRIM), Maastricht University, Maastricht, the Netherlands
| | - Shlomo Vinker
- Department of Family Medicine, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- World Organization of Family Doctors (WONCA)
- European General Practice Research Network (EGPRN)
- Israel Association of Family Physicians, Israel
- Leumit Health Services, Tel Aviv, Israel
| | | | - Juan M. Mendive
- Training Unit of Family Medicine, Catalan Institute of Health, Barcelona, Spain
- European Society for Primary Care Gastroenterology
| | - Christos Lionis
- European Society for Primary Care Gastroenterology
- Clinic of Social and Family Medicine, School of Medicine, University of Crete, Heraklion, Greece
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