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We investigated the seasonal pattern of stroke using the Lehigh Valley Stroke Register. This register includes all patients hospitalized with stroke or transient ischemic attack (TIA) from among the 600,000 Lehigh Valley residents. Meterological data were obtained from the National Oceanic and Atmospheric Administration. The study, which uses 18 months of(More)
A population-based study of the relation between hematocrit and stroke subtype was carried out among 2,077 individuals using the Lehigh Valley Stroke Register. This register identifies all stroke patients admitted to the 8 acute care hospitals serving the Lehigh Valley area of eastern Pennsylvania-western New Jersey. The mean hematocrit was higher in(More)
We used the Lehigh Valley Stroke Register and a logistic regression model for the odds ratio to study the relative contribution of several factors, considered jointly, to the risk of recurrent ischemic stroke. The factors were hypertension (HT), transient ischemic attack (TIA), myocardial infarction (MI), other heart diseases (OHD), diabetes mellitus (DM),(More)
A communitywide, hospital-based stroke register has been established in the Lehigh Valley of Pennsylvania and New Jersey. The Lehigh Valley has about 600,000 inhabitants and is geographically somewhat isolated. Ninety-five percent of the people are white, and the population has an age-sex distribution like that of the United States as a whole. All patients(More)
'Pure motor hemiplegia' is a common stroke syndrome defined by Fisher as paralysis of face, arm, and leg on one side, unaccompanied by sensory signs, visual field defect, aphasia, or apractognosia. It occurs almost exclusively in hypertensive patients and carried a good prognosis. We report a case of a normotensive patient in whom pure motor hemiplegia was(More)
The incidence of transient ischemic attacks (TIAs) in the Lehigh Valley was analyzed using the Lehigh Valley Stroke Register based on data collected between July 1, 1982, and June 30, 1986. The overall average annual incidence rate was 22.9 per 100,000 population, and 23.2 and 22.5 per 100,000 population in men and women, respectively. Men had a(More)