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We prospectively studied stroke recurrence in 1,273 patients with ischemic stroke who were entered into the Stroke Data Bank.Median follow-up was 13 months.The 2-year cumulative recurrence rate among these patients was 14. 1%.Age,sex,race,history of hypertension,atrial fibrillation,or transient ischemic attacks,and stroke location were not associated with a higher risk of stroke recurrence.Patients with an elevated blood pressure,an abnormal initial computed tomogram,or a history of diabetes mellitus were at a higher risk of stroke recurrence.In contrast,patients with an infarct of unknown cause were at a lower risk of stroke recurrence than patients with a defined stroke mechanism,such as lacune,embolism,or atherosclerosis.A multivariate model suggests that patients at the lowest risk for stroke recurrence have a low diastolic blood pressure,no history of stroke,no history of diabetes mellitus,and an infarct of unknown cause. |
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