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Supplementary Material for: Yield of Screening Tests for Systemic Vasculitis in Young Adults with Ischemic Stroke

posted on 04.02.2019, 11:13 by Yoon C.W., Park H.-K., Rha J.-H.
Systemic vasculitis, which can involve the brain, may be one of the causes of stroke in young adults; therefore, a test panel for systemic vasculitis is considered for some young stroke patients. However, little is known about this test’s yield as a screening test in young adults with ischemic stroke. We evaluated the yield of a panel for systemic vasculitis as a screening test in young patients with ischemic stroke. Consecutive patients aged 18–45 years with ischemic stroke between January 2010 and December 2017 were included. They all underwent screening tests for systemic vasculitis including rheumatoid factor, antinuclear antibody, antineutrophil cytoplasmic antibodies, anticardiolipin antibody, lupus anticoagulant, antiphospholipid antibody, anti-DNA antibody, and anti-Ro/SSA and La/SSB antibodies. Among 3,593 consecutive patients with acute ischemic stroke during the study period, 198 (5.5%) were aged 18–45 years. Only 4 patients (2.0%) were diagnosed with systemic vasculitis; 2 had systemic lupus erythematosus, 1 had Sjogren’s syndrome, and 1 had Churg-Strauss syndrome. Vasculitis panel screening in every young ischemic stroke patient does not yield great results unless a vasculitic process is highly suspected based on other systemic symptoms or signs of vasculitis. Screening should be targeted toward persons with clinical suspicion.


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