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Updated: Jul 25, 2026

Histological Analyses of Acute Alcoholic Liver Injury in Zebrafish
Published on: May 25, 2017
[Alcoholic hepatitis: bad prognosis due to concomitant bacterial infections]
Edna Strauss1, José Pedro Aerosa
1Clínica de Gastroenterologia do Hospital Heliópolis, São Paulo, SP. edna.strauss@hcnet.usp.br
Abstract:
Bacterial infections increase morbidity and mortality in cirrhosis. Our aim was to investigate whether in alcoholic hepatitis the development of bacterial infections was also a poor prognostic factor. In the retrospective evaluation of 681 hospitalized patients with liver disease, from a single center during a six-year period, 52 (7.5%) cases of alcoholic hepatitis were well documented, 73.1% by liver biopsy with histopathological analysis and the others by well characterized clinical-biochemical data. Males were predominant (ratio 3.3:1.0), mean age of 40 years and mean alcohol intake of 193 g/day. Major complications were: Hepatic encephalopathy (n=5), renal insufficiency (n=4) and digestive bleeding (n=3). Bacterial infections were found in 11 (21%) patients, distributed into: pulmonary (n=5), spontaneous bacterial peritonitis (n=2), urinary (n=3) and dermatological (n=1). Early hospital death occurred in eight (15.4%) patients and comparative analysis between these and those who survived showed that poor prognostic factors were: presence of hepatic encephalopathy (p=0.012), total bilirubin > 20 mg% (p=0.012) and the presence of severe infections (pulmonary and spontaneous bacterial peritonitis) with statistical significance (p=0.004). In conclusion we have demonstrated that severe bacterial infections are poor prognostic factors for alcoholic hepatitis. Our recommendation, based on prophylaxis with antibiotics during digestive bleeding in cirrhosis and in acute hepatic insufficiency, is to extend this prophylaxis to alcoholic hepatitis, in its severe form, in order to prevent bacterial infections and early death.
Insights
Severe bacterial infections are a significant predictor of poor outcomes in alcoholic hepatitis. Prophylactic antibiotics may help prevent early death in severe cases.
Area of Science:
- Hepatology
- Infectious Diseases
- Internal Medicine
Background:
- Bacterial infections are known to increase morbidity and mortality in patients with cirrhosis.
- The prognostic significance of bacterial infections in alcoholic hepatitis remains less understood.
Purpose of the Study:
- To investigate whether the development of bacterial infections serves as a poor prognostic factor in alcoholic hepatitis.
- To identify risk factors associated with early hospital death in alcoholic hepatitis patients.
Main Methods:
- Retrospective evaluation of 681 hospitalized liver disease patients over six years.
- Analysis of 52 documented cases of alcoholic hepatitis, confirmed by liver biopsy or clinical-biochemical data.
- Comparative analysis of patients who died early versus those who survived.
Main Results:
- Bacterial infections occurred in 21% of alcoholic hepatitis patients, including pulmonary, spontaneous bacterial peritonitis, and urinary tract infections.
- Early hospital death was observed in 15.4% of patients.
- Hepatic encephalopathy, total bilirubin > 20 mg%, and severe infections (pulmonary, spontaneous bacterial peritonitis) were identified as significant poor prognostic factors (p=0.004).
Conclusions:
- Severe bacterial infections are confirmed as poor prognostic factors in alcoholic hepatitis.
- Extending antibiotic prophylaxis, currently used for digestive bleeding in cirrhosis and acute hepatic insufficiency, to severe alcoholic hepatitis is recommended to prevent infections and reduce early mortality.
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