Contributors: 1Department of Internal Medicine, Division of Gastroenterology and Hepatology, Landspitali-National University Hospital of Iceland, Reykjavik, Iceland. 2Faculty of Medicine, University of Iceland, Reykjavik, Iceland. 3Department of Surgery, Landspitali-National University Hospital of Iceland, Reykjavik, Iceland. 4Department of Pathology, Landspitali-National University Hospital of Iceland, Reykjavik, Iceland. 5Department of Science/Biostatistics, Landspitali-National University Hospital of Iceland, Reykjavik, Iceland.
نبذة مختصرة : To access publisher's full text version of this article, please click on the hyperlink in Additional Links field or click on the hyperlink at the top of the page marked Download ; Background & aims: The incidence of cirrhosis in Iceland has been the lowest in the world with only 3 cases per 100,000 inhabitants. Alcohol consumption has almost doubled in Iceland from 1980 to 2016. Obesity has also risen and hepatitis C virus has spread among people who inject drugs in Iceland. The aim of this study was to evaluate the effects of these risk factors on the incidence and aetiology of cirrhosis in Iceland. Methods: The study included all patients diagnosed with cirrhosis for the first time during 2010-2015. Diagnosis was based on liver histology or 2 of 4 criteria: cirrhosis on imaging, ascites, varices, and/or elevated INR. Results: Overall, 157 patients were diagnosed, 105 (67%) males, mean age 61 years. The overall incidence was 9.7 cases per 100,000 inhabitants annually. Alcohol was the only underlying cause in 48/157 (31%), non-alcoholic fatty liver disease (NAFLD) in 34/157(22%), and alcohol and hepatitis C together in 23/157(15%) were the most common causes. Only 6% of patients had an unknown cause of cirrhosis. Upon diagnosis, the median model for end-stage liver disease score was 11 (IQR 8-15), 53% were of Child-Pugh class A whereas 61 (39%) had ascites, 11% encephalopathy, and 8% variceal bleeding. In all, 25% of deaths were from HCC and 25% from liver failure. Conclusion: A major increase in incidence of cirrhosis has occurred in Iceland associated with increases in alcohol consumption, obesity, and hepatitis C. In a high proportion NAFLD was the aetiology and very few had unknown cause of cirrhosis. The highest death rate was from HCC. Lay summary: In a nationwide population-based study from Iceland, including all patients diagnosed with cirrhosis of the liver over a period of 5 years, we found the incidence of new cases had increased 3-fold compared with a previous study 20 years ago. The increase is ...
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