Section 57
Chapter 56,443

The prevalence of hepatitis B virus and hepatitis C virus infection among patients with chronic liver disease in South India

Saravanan, S.; Velu, V.; Kumarasamy, N.; Shankar, E.M.; Nandakumar, S.; Murugavel, K.G.; Balakrishnan, P.; Solomon, S.S.; Solomon, S.; Thyagarajan, S.P.

International Journal of Infectious Diseases Ijid Official Publication of the International Society for Infectious Diseases 12(5): 513-518


ISSN/ISBN: 1201-9712
PMID: 18455943
DOI: 10.1016/j.ijid.2008.02.006
Accession: 056442947

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Determining the identity of hepatitis C virus (HCV) genotypes in liver disease has key implications for ascertaining the duration of antiviral therapy and disease prognosis. We investigated the presence of various genotypes of HCV among 69 chronic liver diseased (CLD) patients with chronic HCV infection. Sixty-nine consecutive subjects with underlying chronic hepatitis (n=28), cirrhosis (n=35), and hepatocellular carcinoma (n=6), diagnosed by clinical, biochemical, and histological means, were studied. Hepatitis B virus (HBV) and HCV diagnostic markers were used. HCV-RNA was extracted from sera of HCV-infected subjects and subsequently the HCV genotypes were determined using a commercial line probe assay (Inno-LiPA HCV II). Of the 69 CLD cases screened for possible markers of HBV and HCV infection, 39 (57%) were positive for HBV and 30 (43%) were HCV infected. The overall HCV-RNA positivity was 77% (23/30). Of these, the majority were genotype 1b (13/23, 57%), followed by 1a (6/23, 26%), mixed genotypes 3 and 4(3/23, 13%), and mixed pattern of 1a, 1b, and 4 (1/23, 4.3%). The genotype 1b infected subjects demonstrated significantly elevated transaminase (ALT) levels (p<0.05) as compared with the other non-1b HCV genotypes. The predominance of HCV genotype 1b among CLD patients could pose a major challenge for the efficient management of HCV disease and the development of effective therapeutic interventions in peninsular India.

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