[Resistance to aspirin in secondary stroke prevention. A pilot study].

Introduction: The purpose of the study was to establish the frequency of aspirin resistance in patients treated in the Department of Neurology in Zabrze with diagnosed transient ischaemic attack (TIA) or ischaemic stroke who used aspirin in the dose of 150 mg daily.

Material And Methods: We examined 20 patients (14 female, 6 male), the mean age 66.8 +/- 11.