Rheumatology Advance Access originally published online on April 26, 2005
Rheumatology 2005 44(8):1016-1020; doi:10.1093/rheumatology/keh668
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Rheumatological manifestations of hepatitis C: incidence in a rheumatology and non-rheumatology setting and the effect of methotrexate and interferon
Departments of Immunology and Rheumatology, Hôpital Edouard Herriot and 1 Department of Hepatology, Hôtel Dieu, Lyon, France.
Correspondence to: P. Miossec, Clinical Immunology Unit, Departments of Immunology and Rheumatology, Hôpital Edouard Herriot, 69437 Lyon Cedex 03, France. E-mail: miossec{at}univ-lyon1.fr
Objectives. To evaluate hepatitis C virus (HCV)-positive patients followed in a rheumatology department and to compare them with a similar population of HCV-positive patients who had never seen a rheumatologist, in order to describe the rheumatological symptoms present and the effects of methotrexate and interferon-alpha therapy.
Methods. We performed a retrospective study of clinical, radiological and biological data on 21 rheumatology patients (Group I) presenting symptoms consistent with a chronic inflammatory arthritis with a known HCV infection and compared them with 41 members of an HCV support association (Group II).
Results. Symptoms of myalgia, sicca syndrome, Raynaud's phenomenon or paraesthesias were similarly frequent in the two groups. However, inflammatory joint pain and joint swelling were more common in Group I. In this group rheumatoid factor was positive in 48%, antinuclear antibodies in 26%, cryoglobulin in 44% and a reduced complement level in 63%. The majority of patients from Group I treated with methotrexate demonstrated an amelioration of the rheumatological symptoms with few negative outcomes. Regarding interferon-alpha therapy and rheumatological symptomsin Groups I and II respectively 50 and 66% demonstrated a deterioration, 33 and 30% showed no change and 17 and 4% showed an amelioration.
Conclusion. Rheumatological symptoms are common in patients chronically infected with HCV. It is essential to individualize the role of treatment with interferon-alpha and to consider the use of methotrexate for difficult cases.
KEY WORDS: Arthritis, Hepatitis C, Methotrexate, Interferon
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