Abstract
Background and Aim
Hepatitis E virus (HEV) is a global disease and an important cause of acute liver failure (ALF) in the Indian subcontinent. The aim of this study was to assess the differences in the course of HEV-ALF as compared to other etiologies of ALF.
Methods
We compared the clinical course, complications, and outcomes of HEV-ALF with other etiologies. We assessed the prognostic factors and compared existing prognostic scores in HEV-ALF patients.
Results
One thousand four hundred and sixty-two ALF patients were evaluated between January 1986 and December 2015. HEV was the etiology of ALF in 419 (28.7%) cases, whereas non-A non-E hepatitis, HBV and anti-tuberculosis therapy (ATT) were the etiologies in 527 (36.0%), 128 (8.8%), and 103 (7.0%) cases, respectively. The frequency of cerebral edema in HEV-ALF (41.3%) was lower than that in non-A non-E ALF (52.9%; P < 0.001) and HBV-ALF (52.8%; P = 0.024). Infection and seizures were significantly less in patients with HEV-ALF compared to non-A non-E and HBV-ALF (P = 0.038 and 0.022, respectively). The survival of HEV-ALF patients was significantly better (55.1%, P < 0.001) than patients of other etiologies—including ATT (30.0%), non-A non-E (38.1%) and HBV (35.9%). In HEV-ALF patients, age, female sex, cerebral edema, prothrombin time >60 s, infection, and total bilirubin were observed as independent predictors of outcome on multivariate logistic regression analysis. Model for end-stage liver disease, acute liver failure study group model and King’s College Hospital criteria had poor discriminative accuracy for outcome (area under receiver operator characteristic curve 0.63–0.64) in HEV-ALF.
Conclusions
Hepatitis E virus-associated ALF has a better outcome than ALF of other etiologies.
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Abbreviations
- ALF:
-
Acute liver failure
- ALFED:
-
Acute liver failure early dynamic
- ATT:
-
Anti-tuberculosis therapy
- HAV:
-
Hepatitis A virus
- HBV:
-
Hepatitis B virus
- HEV:
-
Hepatitis E virus
- INR:
-
International normalized ratio
- KCH:
-
King’s College Hospital criteria
- LT:
-
Liver transplant
- MELD:
-
Model for end-stage liver disease
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Author's contributions
Shalimar, acquisition of data, study design and concept, data analysis, interpretation of data, drafting of manuscript; SK, acquisition of data; DG, acquisition of data; US, acquisition of data; SJM, acquisition of data; BN, acquisition of data; HK, acquisition of data; SKA, study design and concept, interpretation of data, critical revision of manuscript for important intellectual content.
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Shalimar, Kedia, S., Gunjan, D. et al. Acute Liver Failure Due to Hepatitis E Virus Infection Is Associated with Better Survival than Other Etiologies in Indian Patients. Dig Dis Sci 62, 1058–1066 (2017). https://doi.org/10.1007/s10620-017-4461-x
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DOI: https://doi.org/10.1007/s10620-017-4461-x