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(Stroke. 1996;27:1770-1773.)
© 1996 American Heart Association, Inc.

Articles

The Tel Aviv Stroke Registry

3600 Consecutive Patients

Natan M. Bornstein, MD; Boris D. Aronovich, MD, PhD; Vadim G. Karepov, MD, PhD; Alex Y. Gur, MD, PhD; Therese A. Treves, MD; Michal Oved, MD Amos D. Korczyn, MD, MSc

the Department of Neurology, Tel Aviv Medical Center, and the Sackler Faculty of Medicine, Tel Aviv University (Israel).

Background and Purpose We undertook to estimate the frequency of various risk factors and the type and severity of stroke in different ethnic groups documented in a large hospital-based stroke registry. Tel Aviv is a metropolis with about 400 000 inhabitants and about 600 000 daily visitors and workers. The Tel Aviv Medical Center (TAMC) is the only tertiary medical care facility to which all patients with acute stroke are referred. Israel is a country with a heterogeneous population, of which a significant proportion was born abroad. The people differ in their genetic background, as well as in their early environmental conditions, lifelong diet, and other habits. This variety has proved to be a fertile ground for the study of different neurological diseases, including stroke.

Methods A prospective hospital-based registry using systematic computer coding of data of all consecutive stroke patients admitted to the TAMC has been conducted since May 1988. Different aspects of the amassed data were analyzed statistically.

Results From May 1988 until April 1994, 3600 stroke patients were admitted to the TAMC. The mean age was 73.2 years, and 58.2% were males. Cerebral infarctions were diagnosed in 80.9%, primary intracerebral hemorrhages in 8.0%, and transient ischemic attacks in 11.1%. There were 861 patients (24%) who were admitted with recurrent strokes. Past medical history of hypertension was the major risk factor (occurring in 52.2% of the patients), followed by ischemic heart disease (29.7%), diabetes mellitus (25.2%), smoking (17.0%), atrial fibrillation (14.3%), and hyperlipidemia (8.4%). Ischemic heart disease and atrial fibrillation were more frequent in patients from Europe and America (Ashkenazi group), whereas diabetes mellitus and smoking were more prominent in the other groups. The in-hospital mortality rate was 13.8% and was similar in both ethnic groups.

Conclusions This registry allows the study of the risk factors, natural history, and clinical manifestations of stroke in different ethnic groups.

Key Words: epidemiology • ethnic groups • Israel • registries

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