International journal of cardiology
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Atrial fibrillation has been established as a major risk factor of ischemic stroke, however, the influence of new-onset atrial fibrillation (NOAF) complicating acute coronary syndrome (ACS) on ischemic stroke remains controversial. This meta-analysis aimed to validate the association between NOAF complicating ACS and ischemic stroke. ⋯ NOAF is significantly associated with ischemic stroke events in patients with ACS, even after adjustment for several important ischemic stroke risk factors.