An international, multicenter, survey-based analysis of practice and management of acute liver failure.

Acute liver failure (ALF) is an acute liver dysfunction with coagulopathy and hepatic encephalopathy in a patient with no known liver disease. As ALF is rare and large clinical trials are lacking, the level of evidence regarding its management is low-moderate, favoring heterogeneous clinical practice. In this international multicenter survey study, we aimed to investigate the current practice and management of patients with ALF. An online survey targeting physicians who care for patients with ALF was developed by the International Liver Transplantation Society ALF Special-Interest Group. The survey focused on management and liver transplantation (LT) practices of ALF. Survey questions were summarized overall and by geographic region. A total of 267 physicians completed the survey with a survey response rate of 21.36%. Centers from all continents were represented. More than 90% of physicians were specialized in either transplant hepatology/surgery or anesthesiology/critical care. Two hundred and fifty-two (94.4%) respondents' institutions offered LT. A total of 76.8% of respondents' centers had a dedicated liver- or transplant- intensive care unit (p<0.001). Median time to LT was within 48 hours in 12.7% of respondents' centers, 72 hours in 35.6%, one week in 37.6%, and more than one week in 9.6% (p<0.001). Deceased-donor liver graft (49.6%) was the most common type of graft offered. For consideration of LT, 84.8% of physicians used King's College Criteria and 41.6% used Clichy Criteria. Significant differences were observed between Asia, Europe, and North America for offering LT, number of LTs performed, volume of ALF patients, admission to a dedicated intensive care unit, median time to LT, type of liver graft, monitoring hepatic encephalopathy and intracranial pressure, management of coagulopathy, and utilization of different criteria for LT. In our study, we observed significant geographic differences in the practice and management of ALF. As ALF is rare multicenter studies are valuable to identify global practice.

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