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  • Title: Hepatitis C virus infection: a possible promoting agent in porphyria cutanea tarda.
    Author: Antonov K, Krastev Z, Teoharov P, Zaharieva E, Alexiev A, Ivanova A, Adjarov D.
    Journal: Ital J Gastroenterol; 1996 Dec; 28(9):482-6. PubMed ID: 9131391.
    Abstract:
    The study aimed to differentiate the factors triggering porphyria cutanea tarda, paying special attention to the presumed role of hepatitis C virus infection. In a representative Bulgarian contingent, HCV-antibodies were identified using ELISA II and immunoblot. Seropositivity was significantly higher (p < 0.01) in the sporadic form (36 out of 57 patients; 63.2%) compared with the familiar form (4 out of 20 subjects; 20%). Alcohol abuse was the most common factor preceding the expression of open porphyria both in the sporadic and the familiar forms. In 10 sporadic cases, no precipitating factors were observed, except for the fact that they were anti-HCV positive. In another 2 anti-HCV positive patients, porphyria cutanea tarda was preceded by blood transfusions. Renewed consumption of alcohol after successful treatment was a common reason for relapse, but relapses were most frequent in anti-HCV positive patients (35 relapses in 12 patients), in whom other promoting factors were absent. Analysis of triggering factors shows that most probably hepatitis C virus infection could contribute to the expression of porphyria cutanea tarda and the association of both diseases is not coincidental.
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