• Mohammed M Aboelsoud, Amen I Javaid, Mazen O Al-Qadi, and James H Lewis.
• Department of Medicine, Memorial Hospital of Rhode Island/Alpert Medical School of Brown University, 11l1 Brewster St, Pawtucket, RI 02860, USA. Electronic address: Mohammed_Aboelsoud@brown.edu.
• J Crit Care. 2017 Oct 1; 41: 9-15.

PurposeA retrospective analysis of critically-ill patients with hypoxic hepatitis (HH) to characterize the biochemical profile and to identify predictors of mortality using the Medical Information Mart for Intensive Care III database.MethodsHH was defined as a rapid increase in AST/ALT≥800IU/L after exclusion of other causes. We investigated the correlation between various clinical and laboratory parameters and mortality rates using regression models.ResultsAmong 38,645 ICU-patients, 565 (1.46%) were diagnosed with HH; 57.9% were males; median age was 63years. The unique biochemical profile of HH was confirmed; lactate dehydrogenase (LDH) was higher than both ALT and AST; AST>ALT for the first 2days then the ratio is reversed until recovery. All-cause hospital mortality was 44.1%. All-cause hospital mortality was 44.1%. On multivariate analysis, older age, higher SAPS-II, higher INR, higher bilirubin, higher LDH, acute kidney injury (AKI), and the need for vasopressors were independently associated with mortality.ConclusionOlder age, higher SAPS-II, LDH, INR and bilirubin levels, concomitant AKI and the need for vasopressors were all factors associated with increased mortality. The diagnosis of HH was an important harbinger of mortality in this population, which appears to be driven mainly by the severity of the underlying conditions.Copyright © 2017 Elsevier Inc. All rights reserved.

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