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Acute viral hepatitis types E, A, and B singly and in combination in acute liver failure in children in north India.

Abstract：

:The aetiological agents responsible for, and the outcome of, acute liver failure were investigated prospectively in 44 children (29 males, 15 females) attending a tertiary health care facility in India. The children were between the ages of 2 months and 13 years. Studies for viral infections and other etiologies could be carried out in 40 patients. Specific aetiological labels were possible in 35 (87.5%) patients. Thirty (75%) had evidence of acute viral hepatitis. Acute hepatitis E virus (HEV) infection was found in a total of 18 children, with hepatitis A (HAV) in 16, hepatitis B in 5, and C in 1. Seven had isolated infection with hepatitis E, five with A, and four with B. Nine had both E and A infection. Superinfection of HEV was observed in a child with Indian childhood cirrhosis (ICC). Acute HEV infection was confirmed by immunoblot assay in all the patients and in eight of these, HEV-RNA was also detected in the serum. HAV was involved in 37.5% of cases with isolated infection in 10% (4 of 40). The aetiological factors associated with acute liver failure, apart from HAV and HEV, were other hepatotropic viruses (22.5%), Wilson's disease (5%), ICC (5%), and hepatotoxic drugs (7.5%). In five patients, no serological evidence of acute viral hepatitis could be found, neither did the metabolic screen yield any result. It was observed that enterically transmitted hepatitis viruses (HAV and HEV) were associated with 60% of acute hepatic failure in children. Mixed infection of HAV and HEV formed the single largest aetiological subgroup. In developing countries, where hepatitis A and E infections are endemic, severe complications can arise in the case of mixed infection. This may contribute to most of the mortality from acute liver failure during childhood.

journal_name

J Med Virol

journal_title

Journal of medical virology

authors

Arora NK,Nanda SK,Gulati S,Ansari IH,Chawla MK,Gupta SD,Panda SK

doi

10.1002/(SICI)1096-9071(199603)48:3<215::AID-JMV1>

subject

Has Abstract

pub_date

1996-03-01 00:00:00

pages

215-21

issue

eissn

0146-6615

issn

1096-9071

pii

10.1002/(SICI)1096-9071(199603)48:3<215::AID-JMV1>

journal_volume

pub_type

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Acute viral hepatitis types E, A, and B singly and in combination in acute liver failure in children in north India.