Title

Gender differences in acetaminophen-induced acute liver failure

Document Type

Conference Proceeding

Publication Date

2019

Publication Title

Acad Emerg Med

Abstract

Background: The rate of acetaminophen-induced acute liver failure (Apap-ALF) has risen substantially. Our primary objective was to test differences in presentation and outcomes of Apap-ALF based on gender. We secondarily tested whether obesity may affect survival. Methods: We performed a retrospective observational study inclusive of Apap-ALF cases over a 12-year period from a regional transplant center. All case data was composed with standardized data collection tools by trained abstractors. We defined ALF by the presence of AST and ALT ≥ 1000 U/L and an INR ≥ 2.0. We excluded cases without Apap ingestion. Univariate analysis compared clinical characteristics and 28-day transplant-free survival based primarily on gender. We also performed multivariate logistic regression to include obesity (body mass index > 30), age, and sequential organ failure assessment (SOFA) score. Results: There were 327 patients included, of whom most were female (67%). Women had similar age (39 ±14 vs. 40 ±16 years) and comorbidities to men, but were less likely to have a history of alcohol use (34% vs. 63%, p

Volume

26

First Page

S171

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