Epidemiology of aphasia attributable to first ischemic stroke: incidence, severity, fluency, etiology, and thrombolysis.

Background And Purpose: In a geographically defined population, we assessed incidence and determinants of aphasia attributable to first-ever ischemic stroke (FEIS).

Methods: A 1-year prospective, population-based study among the permanent residents of the canton Basle City, Switzerland, was performed using multiple overlapping sources of information.

Results: Among 188,015 inhabitants, 269 patients had FEIS, of whom 80 (30%; 95% CI, 24 to 36) had aphasia.

Incidence of first-ever ischemic stroke in the Canton Basle-City, Switzerland: a population-based study 2002/2003.

Our study sought to estimate the incidence rate of first-ever ischemic stroke (FEIS) in the geographically well-defined population of the Canton Basle-City, Switzerland. An one-year prospective population-based study among the permanent residents of the Canton Basle-City (188015 inhabitants, census 2002) was carried out. Multiple overlapping sources of information were used.