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Ischemic strokes are more severe in Poland than in the United States

From the Department of Neurology (Drs. Ryglewicz, Cichy, Lechowicz, and Czlonkowska), Institute of Psychiatry and Neurology, Warsaw, Poland; the Department of Neurology (Dr. Hier), University of Illinois at Chicago; and the Department of Neurology (Dr. Wiszniewska), Municipal Hospital, Pila, Poland.

Address correspondence and reprint requests to Dr. Daniel B. Hier, 912 S. Wood Street (MC 796), Department of Neurology, University of Illinois at Chicago, Chicago, IL 60612-7330.

Case fatality rates for stroke were ascertained prospectively in two regional catchment hospitals in Poland and 36 teaching hospitals in the US University Hospital Consortium. Case fatality rates in Poland (23.9%) were higher than in the United States (7.5%). Angina, atrial fibrillation, and congestive heart failure were more frequent in Polish stroke patients (40%, 26%, and 25%, respectively) than in US patients (17%, 12%, and 10%). Stroke severity as indicated by higher frequencies of hemiplegia, disordered consciousness, dysphagia, and aphasia was greater in Poland (19%, 39%, 28%, and 42%, respectively) than the United States (11%, 13%, 14%, and 26%).

Key words: Ischemic stroke—Stroke mortality—Poland—United States

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