Chronic hepatitis in children after liver transplantation: role of hepatitis C virus and hepatitis G virus infections
Abstract
Background/Aims: Chronic graft hepatitis occurs in 20–30% adults after liver transplantation but the prevalence and causes in children are not known. In adults, hepatitis C virus infection is prevalent prior to transplantation and recurrent infection is a frequent cause of graft dysfunction. The significance of the recently described hepatitis G virus infection remains unproven. The aim of this study was to examine the role of hepatitis C virus and hepatitis G virus infection in chronic graft hepatitis after paediatric liver transplantation.
Methods: The prevalence of graft hepatitis and the role of hepatitis C virus and hepatitis G virus infections in 80 children after liver transplantation have been studied, with a median follow up of 4.4 years (range 0.4 to 10.7), and the persistence of hepatitis G infection in the presence of immunosuppression has been determined.
Results: Chronic graft hepatitis was diagnosed in
(24%) children and was most freuqently seen in children transplanted for cryptogenic cirrhosis (71%). There was no significant difference in the prevalence of chronic hepatitis in those transplanted before or after donor anti-HCV screening. Hepatitis C infection occurred in three children transplanted prior to donor screening but in only one was associated with chronic hepatitis. Hepatitis G infection was found in
(28%) transplant recipients but was not associated with graft hepatitis. In
children hepatitis G infection persisted for a median of 5.2 years after transplantation.
Conclusion: Chronic hepatitis occurred in 24% of children after liver transplantation, a similar prevalence to that in adults. Cryptogenic liver disease predisposed to graft hepatitis, but neither hepatitis C nor hepatitis G infection was associated. Hepatitis G virus caused a frequent and usually persistent infection after transplantation.
Keywords: Cryptogenic cirrhosis, Hepatitis C virus, Hepatitis G virus, Pediatric liver transplantation.
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PII: S0168-8278(98)80225-0
© 1998 Published by Elsevier Inc.
