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Abstract
A novel RNA virus designated hepatitis G virus (HGV) was identified recently in patients with acute and chronic liver disease. Since HGV may be transmitted parenterally, chronic haemodialysis (HD) patients are at increased risk for acquiring this infection. 110 chronic HD patients were studied (56 HCV-RNA and anti-HCV-positive, and 54 HCV-RNA and anti-HCV-negative). HGV-RNA and HCV-RNA were studied by RT-PCR. HCV genotype determination was applied to all 56 HCV-RNA-positive patients. 28 of 110 (25%) patients were found be HGV-RNA-positive. HCV-RNA-positive patients had higher rate of HGV-RNA positivity compared with HCV-RNA-negative patients. The HCV genotypes of HGV-RNA-positive patients were mostly 4 (48%) and 1b (33%). HGV was not linked with HBsAg positivity. While there was a significant correlation between HCV-RNA positivity and the number of blood transfusions and duration of HD, we did not observe this relationship in HGV-RNA-positive patients. These results indicate that the prevalence of HGV is high in HD patients and that HGV-RNA positivity is higher in HCV-RNA-positive patients.