期刊
GASTROENTEROLOGY
卷 130, 期 6, 页码 1625-1635出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.gastro.2006.01.035
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Background & Aims: Genotypes and viremia of hepatitis D virus (HDV) and hepatitis B virus (HBV) may be associated with outcomes. This study evaluated the impact of viral genotypes and viremia on outcomes of dual HBV and HDV infection. Methods: Viremia and viral genotypes were analyzed in 194 consecutive chronic hepatitis B patients with HDV superinfection and correlated with outcomes. Results: The numbers of HBV genotype A, B, C, and nonclassified were 4, 57, 23, and 110, respectively. There were 51 genotype I HDV, 74 genotype 11 HDV, 8 genotype IV HDV, and 61 nonclassified HDV genotype. In a median follow-up of 135 months, 24 progressed to cirrhosis and 41 developed hepatocellular carcinoma. Patients infected with genotype I HDV had a lower remission rate (15.2% vs 40.2%; P =.007) and more adverse outcomes (cirrhosis, hepatocellular carcinoma, or mortality) (52.2% vs 25.0%; P=.005) than those with genotype 11 HDV. Patients infected with genotype C HBV had a lower remission rate (0 vs, 32.1%; P =.005) and more adverse outcomes (70.0% vs 33.9%; P =.005) than those with genotype B HBV. The presence of HBV or HDV viremia was associated with lower remission rates compared with those negative for both (26.4% and 24.3% vs 69.2%; P <.001). In multivariate analysis, age, genotype C HBV, and genotype I HDV were independent factors associated with adverse outcomes. Conclusions: In chronic HBV and HDV dual infections, older age, genotype l HDV, and genotype C HBV correlated with adverse outcomes.
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