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The epidemiology of transfusion‐associated hepatitis C in a children's hospital

The epidemiology of transfusion‐associated hepatitis C in a children's hospital BACKGROUND: Children transfused with blood and blood products before 1992 are at risk for chronic hepatitis C virus (HCV) infection. To determine the prevalence of HCV infection and risks associated with acquisition of HCV, a single‐institution lookback study was performed. STUDY DESIGN AND METHODS: A total of 5473 infants and children who received transfusions between 1982 and 1992 were identified. A control population of 600 age‐, sex‐, race‐ and zip code–matched children who did not receive transfusions with the same exclusions provided background seroprevalence data. Patients were tested for antibodies to HCV, confirmed with second generation recombinant immunoblot assay (RIBA) and when appropriate quantitative and qualitative HCV RNA by reverse transcription polymerase chain reaction (PCR). Viral persistence was assessed by serial PCR determinations for HCV RNA. RESULTS: Of the 5473 eligible patients, 4726 were locatable and 2758 were tested. Forty‐three children (1.6%) were persistently anti‐HCV enzyme immunoassay (EIA)–positive, confirmed by RIBA; 39 were positive for the presence of HCV RNA. Four cleared their virus as assessed by two negative HCV PCRs 6 months apart. There was a borderline higher number of children with HCV who received fresh whole blood than those who tested HCV‐negative. CONCLUSION: Because HCV infection is generally asymptomatic, children are not identified unless they are specifically tested. We identified, enrolled, tested, and confirmed a new diagnosis of HCV infection in 43 patients. As HCV treatments become increasingly effective, it is important to identify silently infected individuals, particularly when the infection was iatrogenically induced. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Transfusion Wiley

The epidemiology of transfusion‐associated hepatitis C in a children's hospital

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References (36)

Publisher
Wiley
Copyright
Copyright © 2007 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0041-1132
eISSN
1537-2995
DOI
10.1111/j.1537-2995.2007.01162.x
pmid
17381619
Publisher site
See Article on Publisher Site

Abstract

BACKGROUND: Children transfused with blood and blood products before 1992 are at risk for chronic hepatitis C virus (HCV) infection. To determine the prevalence of HCV infection and risks associated with acquisition of HCV, a single‐institution lookback study was performed. STUDY DESIGN AND METHODS: A total of 5473 infants and children who received transfusions between 1982 and 1992 were identified. A control population of 600 age‐, sex‐, race‐ and zip code–matched children who did not receive transfusions with the same exclusions provided background seroprevalence data. Patients were tested for antibodies to HCV, confirmed with second generation recombinant immunoblot assay (RIBA) and when appropriate quantitative and qualitative HCV RNA by reverse transcription polymerase chain reaction (PCR). Viral persistence was assessed by serial PCR determinations for HCV RNA. RESULTS: Of the 5473 eligible patients, 4726 were locatable and 2758 were tested. Forty‐three children (1.6%) were persistently anti‐HCV enzyme immunoassay (EIA)–positive, confirmed by RIBA; 39 were positive for the presence of HCV RNA. Four cleared their virus as assessed by two negative HCV PCRs 6 months apart. There was a borderline higher number of children with HCV who received fresh whole blood than those who tested HCV‐negative. CONCLUSION: Because HCV infection is generally asymptomatic, children are not identified unless they are specifically tested. We identified, enrolled, tested, and confirmed a new diagnosis of HCV infection in 43 patients. As HCV treatments become increasingly effective, it is important to identify silently infected individuals, particularly when the infection was iatrogenically induced.

Journal

Transfusion – Wiley

Published: Apr 1, 2007

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