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Rheumatology 2001; 40: 1102-1105
© 2001 British Society for Rheumatology

Original Papers

Ankle brachial pressure index in systemic sclerosis: influence of disease subtype and anticentromere antibody

M. C. Wan, T. Moore, S. Hollis1 and A. L. Herrick

University of Manchester Rheumatic Diseases Centre, Hope Hospital, Salford M6 8HD and
1 Department of Mathematics and Statistics, Lancaster University, Lancaster LA1 4WF, UK

Objective. To test the hypothesis that patients with limited cutaneous systemic sclerosis (SSc) have a higher incidence of lower limb large vessel disease than patients with diffuse cutaneous disease, and that anticentromere antibody is a risk factor for lower limb large vessel disease.

Methods. Clinical and laboratory data from 119 patients with SSc (91 patients with limited cutaneous disease, 28 patients with diffuse cutaneous disease) who had bilateral ankle brachial pressure indices (ABPI) measured between March 1997 and January 2000 were reviewed retrospectively.

Results. There was no evidence of reduced ABPI in limited cutaneous disease (P=0.65), average reduction 0.01 [95% confidence interval (CI) -0.04 to +0.07]. There was some suggestion of reduced ABPI in anticentromere-positive patients (P=0.12), average reduction 0.04 (95% CI -0.01 to +0.09).

Conclusions. The severity of large vessel macrovascular disease, as assessed by ABPI, is not dependent on disease subtype. Anticentromere antibody may be weakly associated with a reduction in ABPI.

KEY WORDS: Ankle brachial pressure index, Systemic sclerosis, Anticentromere antibody.

Correspondence to: A. L. Herrick.


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