Stroke; a journal of cerebral circulation
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In patients with transient ischemic attack/ischemic stroke, microbleed burden predicts intracerebral hemorrhage (ICH), and ischemic stroke, but implications for antiplatelet treatment are uncertain. Previous cohort studies have had insufficient follow-up to assess the time course of risks, have not stratified risks by antithrombotic use, and have not reported extracranial bleeds or functional outcome of ICH versus ischemic stroke. ⋯ In white and Chinese patients with ≥5 microbleeds, withholding antiplatelet drugs during the first year after transient ischemic attack/ischemic stroke may be inappropriate. However, the risk of ICH may outweigh any benefit thereafter.