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  • Title: Early stroke following acute myocardial infarction: incidence, predictors and outcome in six Middle-Eastern countries.
    Author: Albaker O, Zubaid M, Alsheikh-Ali AA, Rashed W, Alanbaei M, Almahmeed W, Al-Shereiqi SZ, Sulaiman K, Al Qahtani A, Al Suwaidi J, Gulf RACE Investigators.
    Journal: Cerebrovasc Dis; 2011; 32(5):471-82. PubMed ID: 22057047.
    Abstract:
    BACKGROUND AND OBJECTIVES: Stroke is a potential complication of acute myocardial infarction (AMI). The aim of this study was to identify the incidence, risk factors predisposing to stroke and in-hospital outcome during the index admission with AMI among patients in the Middle East. METHODS: For a period of 6 months in 2006 and 2007, 5,833 consecutive AMI patients were enrolled from 64 hospitals in 6 Middle East countries. RESULTS: The incidence of in-hospital stroke following AMI was 0.85%. Most cases were ST segment elevation AMI-related and ischemic in nature. Patients with in-hospital stroke were older than patients without stroke and were more likely to be female (36 vs. 18.6%, p = 0.0033). They were also more likely to have diabetes mellitus, dyslipidemia, prior AMI, or percutaneous/surgical coronary revascularization. Patients with stroke were more likely to present with advanced Killip class II-IV, higher mean heart rate and higher serum creatinine. Independent predictors of stroke were age, prior stroke, prior coronary artery bypass surgery, anterior AMI and systolic blood pressure >190 mm Hg on presentation. Early administration of statins was independently associated with reduced stroke risk (odds ratio, OR, 0.4, 95% confidence interval, CI, 0.19-0.90, p = 0.025). Stroke was fatal in 44% of the cases and was independently associated with in-hospital mortality (adjusted OR 12.5, 95% CI 5.7-27.4, p < 0.01). CONCLUSION: There is a low incidence of in-hospital stroke in Middle-Eastern patients presenting with AMI but with very high fatality rates. Early statin therapy was associated with a significant reduction in stroke risk. Future work should be focused on reducing the risk and improving the outcome of this devastating complication.
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