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  • Title: Prevalence of antibodies to hepatitis C virus in patients on peritoneal dialysis--a multicenter study.
    Author: Gladziwa U, Schlipköter U, Lorbeer B, Cholmakow K, Roggendorf M, Sieberth HG.
    Journal: Clin Nephrol; 1993 Jul; 40(1):46-52. PubMed ID: 7689431.
    Abstract:
    The prevalence of antibodies to the hepatitis C virus (HCV) was determined in 333 peritoneal dialysis (PD) patients from 10 German dialysis units, using an enzyme-linked immunosorbent assay of the second generation (ELISA 2nd gen) which detects antibodies to a structural (C22) and to non-structural (C33c, C100, 5-1-1) recombinant antigens of HCV. Sera from 18/333 (5.4%) patients were anti-HCV positive versus 11/295 (3.7%) when the sera were tested by an ELISA of the first generation (ELISA 1st gen) containing only a nonstructural antigen (C100). In the 18 sera positive by ELISA 2nd gen, antibodies against at least one viral protein were found by recombinant immunoblot assay (RIBA) in 15/333 (4.5%) patients. In the sera of 11/15 (73.3%) patients HCV RNA was detected by nested PCR. Epidemiological evaluation of the patients revealed that the prevalence of anti-HCV was correlated to the female sex (p = 0.005), presence of anti-HBc (p = 0.006), duration of total dialysis (hemodialysis HD and PD) (p = 0.012), duration of HD alone (p = 0.025) and previous renal transplantation (p < 0.001). Only a weak correlation was found to blood transfusions (p = 0.041) and elevation of serum ALT concentration (p = 0.055). But no correlation was found to diagnoses of renal failure (p = 0.129), duration of PD (p = 0.963) and past surgical procedures (p = 1.0). Four of nine peritoneal dialysates of anti-HCV positive patients were found positive for HCV RNA.(ABSTRACT TRUNCATED AT 250 WORDS)
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