Bariatric surgery in patients with non-alcoholic fatty liver disease - from pathophysiology to clinical effects.

Bariatric surgery in patients with non-alcoholic fatty liver disease - from pathophysiology to clinical effects. World J Hepatol. 2019 Feb 27;11(2):138-149 Authors: Laursen TL, Hagemann CA, Wei C, Kazankov K, Thomsen KL, Knop FK, Grønbæk H Abstract Non-alcoholic fatty liver disease (NAFLD) is increasingly recognized as a significant liver disease, and it covers the disease spectrum from simple steatosis with a risk of development of non-alcoholic steatohepatitis (NASH) to fibrosis, subsequent cirrhosis, end-stage liver failure, and liver cancer with a potential need for liver transplantation. NAFLD and NASH are closely related to obesity, metabolic syndrome, and type 2 diabetes (T2D). The role of gut hormones, especially glucagon-like peptide 1 (GLP-1), is important in NAFLD. Bariatric surgery has the potential for inducing great weight loss and may improve the symptoms of metabolic syndrome and T2D. Recent data demonstrated significant effects of bariatric surgery on GLP-1 and other gut hormones and important lipid metabolic and inflammatory abnormalities in the pathophysiology of NAFLD. Therefore, bariatric surgery may reverse the pathological liver changes in NAFLD and NASH patients. In the present review, we describe NAFLD and NASH pathophysiology and the primary effects of bariatric surgery on metabolic pathways. We performed a systematic review of the beneficial and harmful effects and focused on changes in liver disease severity in NAF...
Source: World Journal of Hepatology - Category: Gastroenterology Tags: World J Hepatol Source Type: research

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As our waistlines thicken and our activity levels decrease, another chronic illness threatens to disturb our comfortable lifestyles. And, because it ’s relatively unknown, diagnosis comes as a shock to patients, who usually associate liver disease with heavy consumption of alcohol.Non-alcoholic steatohepatitis (NASH) is an advanced form of non-alcoholic fatty liver disease (NAFLD), where fat accumulates in the liver. It is most commonly associated with obesity, insulin resistance, metabolic syndrome and/or genetic polymorphisms, and is aggravated by inflammation and fibrosis.  First identified in the 1980s, its ...
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