The Study on Profile and Genetic Factors of Aspirin Resistance (ProGEAR Study)

Completed

Phase 4 Results N/A

Eligibility Criteria

Inclusion Criteria

Adult males or females who met the criteria listed below:
- Patients who had acute coronary syndrome, cerebral infarction (except cardioembolic stroke), or transient ischemic attack between past 28 days and the past 2 years
- patients who receive long-term aspirin therapy (at least 28 days)
- Patients who are >=20 years of age
- Patients willing and able to give written informed consent

Exclusion Criteria

- Malignancy or suspected malignancy
- Patients who showed platelet counts less than 100,000/uL or more than 450,000/uL
- Congenital bleeding tendency
- Patients who receive other antiplatelet drugs or warfarin
- Patients with atrial fibrillation
- Patients who received surgical operation or catheter intervention within the past 2 weeks
- Patients who received anticoagulation drug therapy including heparin ( low-molecular weight heparin) and danaparoid.
- Patients with more than modified Rankin scale 4