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Liver Transpl. 2008 Apr;14(4):534-40. doi: 10.1002/lt.21284.

Prevalence and significance of occult hepatitis B in a liver transplant population with chronic hepatitis C.

Author information

1
Division of Transplantation, Georgetown University Hospital, Washington, DC 20007, USA. kirti.shetty@medstar.net

Erratum in

  • Liver Transpl. 2011 Jan;17(1):97.

Abstract

Occult hepatitis B virus (HBV) infection is defined as the detection of HBV deoxyribonucleic acid (DNA) in the serum or liver tissue of individuals who test negative for hepatitis B surface antigen (HBsAg). We undertook a prospective study to evaluate the significance and course of occult HBV in patients with hepatitis C virus (HCV) cirrhosis undergoing orthotopic liver transplantation (OLT). A sensitive real-time polymerase chain reaction assay was utilized to test for serum HBV DNA at enrollment and for hepatic HBV DNA within the explant liver. Patients were followed with serum HBsAg and HBV DNA post-OLT. A total of 56 patients with HCV cirrhosis were enrolled between October 2002 and July 2004; of these, 44 underwent OLT. The overall prevalence of occult HBV based on positive serum HBV DNA was 16 of 56 (28%), and based on positive hepatic HBV DNA ("occult HBV liver") was 22 of 44 (50%). The presence of serum hepatitis B core antibody (anti-HBc) and a past history of injection drug use correlated with occult HBV.Explant-proven hepatocellular carcinoma (HCC) was found in 13 of 22 (59%) patients with occult HBV liver compared to 8 of 22 (36%) patients without occult HBV liver (P ¼ 0.36, odds ratio 2.5; confidence interval 0.76–8.54 [corrected]. Post-OLT, no cases of HBV reactivation were noted, and there was no significant association between occult HBV and recurrent HCV. In conclusion, occult HBV is far more prevalent in patients with end-stage HCV than would be expected from its prevalence in the general population. Occult HBV infection is strongly associated with the presence of anti-HBc, history of injection drug use, and explant-proven HCC.

PMID:
18324677
DOI:
10.1002/lt.21284
[Indexed for MEDLINE]
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