Results presented today at The International Liver Congress™ 2015, show that alcohol use disorders (AUD) have a serious, negative prognostic outcome with higher mortality risks in the general population and patients with hepatitis C virus (HCV) infection in particular.
The study found that chronic HCV infection has a limited impact on mortality, unless the patient also has other severe comorbidities, such as HIV infection, cancer or chronic kidney disease. In contrast, those with AUDs are at significant risk of death with a higher mortality risk observed across all the study subgroups.
Michaël Schwarzinger, Director, THEN (Translational Health Economics Network) and Vincent Mallet, Professor of Hepatology, Université Paris Descartes and Assistance Publique -- Hôpitaux de Paris, France, commented: "There is an epidemiological relationship between chronic HCV infection and AUD. However, the burden of chronic HCV infection analyses barely take into account the potential confounding role of AUD on prognosis. Our primary aim was to study the confounding role of severe comorbidities and AUD on prognosis in Hep C patients in a real-life setting."
Between 2008 and 2012, 28,953,755 adults residing in Metropolitan France were hospitalised and 1,506,453 died at hospital. All hospitalised patients were characterised by severe comorbidities and their trajectory was tracked according to chronic HCV infection and/or AUD. Chronic HCV infection was present in 112,146 (0.39%) of hospitalised patients, AUD in 705,259 (2.44%), and both chronic HCV infection and AUD in 23,351 (i.e., 20.8% AUD recorded in Hep C patients).
The researchers found that:
"These results show that alcohol use disorders are a much more accurate indicator of mortality in chronic HCV infection, and highlight the need to encourage alcohol withdrawal and abstinence in all patients," said Professor Tom Hemming Karlsen, Scientific Committee Member, European Association for the Study of the Liver.
Materials provided by European Association for the Study of the Liver. Note: Content may be edited for style and length.
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