Federico Tremolada, MD; Carla Casarin, MD; Alessandro Tagger, PhD; Maria Luisa Ribero, PhD; Giuseppe Realdi, MD; Alfredo Alberti, MD; Arturo Ruol, MD
Tremolada F, Casarin C, Tagger A, Ribero ML, Realdi G, Alberti A, et al. Antibody to Hepatitis C Virus in Post-Transfusion Hepatitis. Ann Intern Med. 1991;114:277-281. doi: 10.7326/0003-4819-114-4-277
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Published: Ann Intern Med. 1991;114(4):277-281.
Objective: To evaluate the prevalence of antibodies to hepatitis C virus (anti-HCV), their relation to outcome, and the seroconversion rate in patients with post-transfusion non-A, non-B hepatitis.
Design: Retrospective analysis of prospectively collected serum specimens.
Setting: A referral-based university hospital.
Patients: Sixty-three consecutive patients who developed non-A, non-B post-transfusion hepatitis after open-heart surgery. All patients had follow-up with serial serum testing and clinical evaluation. The mean (± SD) duration of follow-up after hepatitis onset was 81 ±33 months (range, 13 to 132 months). Seventeen patients recovered after acute-phase illness, whereas 46 developed chronic disease which, in 30 cases, was confirmed histologically.
Main Results: Of 32 patients tested before transfusion, 1 (3.1%) had anti-HCV. Fifty-nine (93%) patients were anti-HCV positive during acute-phase hepatitis: Patients with "early" seroconversion (< 15 days after hepatitis onset) did not differ from those with "late" seroconversion (> 60 days after onset) in epidemiologic, clinical, and biochemical features. The rate of anti-HCV positivity during acute-phase illness was not significantly different among patients who recovered (76%) compared with those who developed chronic disease (95%). At 6 to 12 months, patients whose disease resolved had lower antibody activity than those with progressive disease. Further, during long-term follow-up (1 to 9 years), 53% of patients whose disease resolved but only 6.9% of patients who had progressive disease became anti-HCV negative.
Conclusions: Hepatitis C virus is the major cause of post-transfusion hepatitis in Italy. The time to anti-HCV seroconversion varies widely after hepatitis onset and is not significantly associated with acute-phase features or outcome of disease.
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Gastroenterology/Hepatology, Infectious Disease, Viral Hepatitis, Liver Disease.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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