PMID: 9451674Feb 6, 1998Paper

Prevalence of cryoglobulinemia in chronic hepatitis C virus infection and response to treatment with interferon-alpha

Journal of Clinical Gastroenterology
E A AkriviadisA Papadopoulos

Abstract

Chronic hepatitis C virus (HCV) infection is associated with a variety of clinically important extrahepatic abnormalities. We have assessed the prevalence of cryoglobulinemia and of the clinical syndrome associated with it in patients with chronic HCV infection. We also have evaluated the clinical, serologic, and biochemical response to antiviral treatment with interferon-alpha (IFN-alpha). Eighty-one patients with chronic liver disease associated with HCV infection were included. Cryoglobulins were sought in the serum. All patients were examined carefully for clinical manifestations of cryoglobulinemia (e.g., palpable purpura, Raynaud's syndrome, arthritis, peripheral neuropathy, Sjögren's syndrome, glomerulonephritis). Antiviral treatment with IFN-alpha, at a dose of 3 to 5 million units, 3 times weekly, was given to 20 patients with cryoglobulinemia. Cryoglobulins were detected in 45.7% of patients. Signs and symptoms of the clinical syndrome associated with cryoglobulinemia were present in 12.3% of the entire group of patients (27% of the subgroup with detectable cryoglobulins). Patients with cryoglobulinemia were older (mean age, 56 +/- 15 vs. 44 +/- 16 years; p = 0.002) and had a higher rate of cirrhosis (48.6% vs. 18.2%,...Continue Reading

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