Journal
WORLD JOURNAL OF HEPATOLOGY
Volume 14, Issue 10, Pages 1875-1883Publisher
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.4254/wjh.v14.i10.1875
Keywords
Alcohol use disorder; Alcoholic liver disease; Liver injury; COVID-19; Alcohol abuse; Alcohol dependence
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Alcohol use disorder is a complex phenomenon that affects multiple organs and tissues, particularly the liver. Prolonged alcohol consumption can lead to various liver diseases, including fatty liver, cirrhosis, and liver cancer. The COVID-19 pandemic has exacerbated the issue of alcohol-induced liver damage due to increased alcohol consumption during lockdown and remote work.
Alcohol use disorder is a complex and heterogeneous phenomenon that can be studied from several points of view by focusing on its different components. Alcohol is a hepatotoxin whose metabolism creates profound alterations within the hepatocyte. The liver is the central organ in the metabolism of alcohol, a process that also involves other organs and tissues such as the brain, heart and muscles, but the most relevant organ is the liver. The anatomopathological alterations in the liver associated with the prolonged use of alcohol range from the simple accumulation of neutral fats in the hepatocytes, to cirrhosis and hepatocellular carcinoma. Alcohol abuse frequently leads to liver disease such as steatosis, steatohepatitis, fibrosis, cirrhosis, and tumors. Following the spread of coronavirus disease 2019 (COVID-19), there was an increase in alcohol consumption, probably linked to the months of lockdown and smart working. It is known that social isolation leads to a considerable increase in stress, and it is also recognized that high levels of stress can result in an increase in alcohol intake. Cirrhotic patients or subjects with liver cancer are immunocompromised, so they may be more exposed to COVID-19 infection with a worse prognosis. This review focuses on the fact that the COVID-19 pandemic has made the emergence of alcohol-induced liver damage a major medical and social problem.
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