Abstract
ObjectiveIschemic stroke is a serious vascular disease whose long term prognosis in all of its dimensions is not known. We have studied the long-term survival and its predictors after a first episode of acute ischemic stroke (atherothrombotic and cardioembolic). Patients and methodsA retrospective cohort study was made of patients with a first episode of ischemic stroke. The ictus was classified into atherothrombotic, cardioembolic, lacunar and undetermined. Patients were followed up for 10 years. ResultsA total of 415 cases (60% men) with mean age of 68.4 years, were included. Mean follow-up was 66 months (95% CI: 24-108 months). Overall survival at 10 years was 55.4% (54.9-55.9) (atherothrombotic, 57.7% vs cardioembolic, 43.7%, P=.002). In the multivariate analysis, variables related to mortality in acute ischemic stroke were age, chronic renal failure, dyslipidemia, history of heart failure, atrial fibrillation (AF), presenting as hemiplegia, signs of acute ischemia and perilesional edema in the brain scan on hospital admission. Involvement of the territory of right middle cerebral artery and treatment with statins were associated to a better prognosis. ConclusionsSurvival of patients after ischemic stroke at ten year is over 40%, and atherothrombotic stroke as a better prognosis than cardioembolic one.
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