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. 1994 May;106(5):1291-300.
doi: 10.1016/0016-5085(94)90022-1.

Cryoglobulinemia in chronic liver diseases: role of hepatitis C virus and liver damage

F Lunel  1 , L Musset, P Cacoub, L Frangeul, P Cresta, M Perrin, P Grippon, C Hoang, D Valla, J C Piette, et al.
Affiliations

Cryoglobulinemia in chronic liver diseases: role of hepatitis C virus and liver damage

F Lunel et al. Gastroenterology. 1994 May.

Erratum in

  • Gastroenterology 1995 Feb;108(2):620

Abstract

Background/aims: Mixed cryoglobulinemia is frequently associated with liver diseases. The respective role of hepatitis C virus (HCV) and liver damage in the pathogenesis of cryoglobulinemia is investigated in this study.

Methods: The prevalence of cryoglobulinemia in 226 consecutive patients with chronic liver diseases (hepatitis C, 127; hepatitis B, 40; other diseases, 59) was studied, and the epidemiological, biological, histological, and virological features in these three groups were analyzed. Anti-HCV antibodies, HCV proteins, and HCV RNA were searched in the cryoprecipitates.

Results: The prevalence of mixed cryoglobulinemia was high (41.5%) in patients with liver diseases and higher in patients with hepatitis C (54.3%) than in patients with hepatitis B (15%) or other causes of liver disease (32%). Patients with cryoglobulinemia had cirrhosis more frequently and had a longer history of hepatitis. In patients with hepatitis C, HCV RNA sequences and HCV proteins were detected in the cryoprecipitate. Cryoglobulins became undetectable in 21 of 43 patients treated with interferon.

Conclusions: These findings suggest that HCV is a major cause of cryoglobulinemia. Besides viral infection itself, multiple factors appear to be responsible for the production of cryoglobulins, including cirrhosis and duration of liver disease.

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