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Characteristics of patients with dual infection by hepatitis B and C viruses.

Abstract：

BACKGROUND/AIMS:The purpose of this study was to compare the epidemiological, biochemical, virological and histological characteristics of patients with chronic hepatitis B and C with those of patients suffering from chronic hepatitis C alone. METHODS:Twenty-three patients with chronic hepatitis C, who were anti-HCV positive and HBs antigen positive, were studied and subdivided into two groups according to the presence or absence of HBV DNA replication. They were compared to 69 age- and sex-matched patients with chronic hepatitis who were anti-HCV positive and HBs antigen negative. All patients were HCV RNA positive by PCR, anti-HIV negative and anti-HDV negative. HBV DNA and HCV RNA were detected in serum by means of a branched DNA assay and PCR. The HCV serotypes were determined by the Chiron Riba HCV serotyping SIA technique. The histological characteristics included the Knodell score. RESULTS:Epidemiological, biochemical and virological parameters were not different between the two groups. Only the prevalence of cirrhosis was greater in chronic hepatitis B and C patients than in patients with chronic hepatitis C alone (p = 0.01). Among chronic hepatitis B and C patients, HCV RNA level was significantly lower in HBV DNA positive than in HBV DNA negative patients (p = 0.01). Indeed, histological lesions were more severe in HBV DNA positive than in HBV DNA negative patients, including prevalence of cirrhosis (p = 0.01), Knodell score (p = 0.05) and, among the latter, piecemeal necrosis (p = 0.01) and fibrosis (p = 0.05). The characteristics of patients with dual infection did not differ according to the mode of contamination and duration of HBV disease, except for a shorter duration in patients contaminated by drug abuse than in other patients. CONCLUSIONS:These results suggest that HBV DNA replication inhibits HCV RNA replication in patients with chronic active hepatitis B and C but increases the severity of histological lesions.

journal_name

J Hepatol

journal_title

Journal of hepatology

authors

Zarski JP,Bohn B,Bastie A,Pawlotsky JM,Baud M,Bost-Bezeaux F,Tran van Nhieu J,Seigneurin JM,Buffet C,Dhumeaux D

doi

10.1016/s0168-8278(98)80198-0

subject

Has Abstract

pub_date

1998-01-01 00:00:00

pages

27-33

issue

1

eissn

0168-8278

issn

1600-0641

pii

S0168-8278(98)80198-0

journal_volume

28

pub_type

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