Prevalence of aspirin resistance in stroke patients in Phramongkutklao Hospital.

Objective: To study the prevalence of aspirin resistance in cerebrovascular disease patients in Phramongutklao hospital.

Material And Method: The acute ischemic and stable stroke patients who received aspirin at least 60 mg, at least 7 days and the last dose of aspirin at least 24 hours before blood test for platelet aggregation. ADP and Collagen were used as platelet aggregator.