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Rheumatology (Oxford). 2014 May;53(5):890-9. doi: 10.1093/rheumatology/ket475. Epub 2014 Jan 17.

Vasculitis associated with rheumatoid arthritis: a case-control study.

Author information

1
Division of Rheumatology, Department of Internal Medicine, Mayo Clinic, 200 1st Street SW, Rochester, MN 55905, USA. makol.ashima@mayo.edu.

Abstract

OBJECTIVE:

The aim of this study was to determine the clinical correlates and predictors of rheumatoid vasculitis (RV).

METHODS:

A retrospective cohort of patients with RV evaluated at a tertiary referral centre between 1 January 2000 and 1 January 2010 was identified. RV cases were compared in a 1:2 ratio to controls (RA without vasculitis) to identify risk factors for developing RV.

RESULTS:

Eighty-six RV cases (58% women, 88% white) were identified. Histopathological confirmation was available for 58% of patients. Cutaneous vasculitis was the most common presentation, followed by vasculitic neuropathy. The median age at presentation was 63 years and the median duration of RA was 10.8 years. One third were current smokers. The majority were seropositive and had elevated inflammatory markers. Treatment was with a range of immunomodulating agents. At 6 months, 38% of patients achieved complete remission, 52% had partial improvement and 10% noted no clinical improvement. Thirty-six per cent relapsed by 5 years and 26% died. After adjusting for age and disease duration, current smoking at RA diagnosis [odds ratio (OR) 1.98], coexistent peripheral vascular disease (OR 3.98), cerebrovascular disease (OR 6.48), severe RA (OR 2.02) (characterized by radiographic erosions, nodulosis on clinical examination or requirement of joint surgery) and the use of biologics (OR 2.80) were found to increase the odds for developing RV; the use of HCQ (OR 0.54, CI 0.31, 0.94) and low-dose aspirin (OR 0.42, CI 0.21, 0.85) was associated with decreased odds for developing RV.

CONCLUSION:

This largest single-centre series of patients with RV suggests that even in recent years, RV remains a serious complication of RA and is associated with significant mortality.

KEYWORDS:

biologics; rheumatoid arthritis; rheumatoid vasculitis; systemic vasculitis

PMID:
24441152
PMCID:
PMC3999374
DOI:
10.1093/rheumatology/ket475
[Indexed for MEDLINE]
Free PMC Article

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