Author(s): Watts RA, Carruthers DM, Scott DG
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Abstract OBJECTIVES: To establish the clinical significance of isolated nail fold vasculitis in patients with rheumatoid arthritis (RA). METHODS: Patients attending hospital with established RA were assessed by a single observer using unaided vision. Isolated nail fold vasculitis (NFV) was diagnosed as small nail edge or nail fold lesions without any evidence of other extra-articular or systemic vasculitis. Patients were followed prospectively. RESULTS: Thirty patients with isolated NFV were identified and followed for a median interval of 22 months. Three patients died within three months of diagnosis and six developed complications possibly indicative of extra-articular disease: xerostomia (three), pericarditis (one), pleural effusion and empyaema (one), pulmonary fibrosis (one). No patient developed systemic vasculitis. CONCLUSION: Isolated NFV has a favourable prognosis compared with systemic vasculitis. There is a low risk of developing systemic or extra-articular disease.
This article was published in Ann Rheum Dis
and referenced in Rheumatology: Current Research