Aspirin Resistance, Carotid Artery Stenosis, Ischemic Stroke, Myocardial Infarction
Conditions
Keywords
Carotid endarterectomy, Transcranial doppler, Micro embolic signals, Platelets, Aspirin
Brief summary
The purpose of this study is to analyze the association between aspirin efficacy and general platelet reactivity in relation to microembolic signals (MES) during carotid endarterectomy (CEA).
Interventions
None listed
Sponsors
Study design
Eligibility
Inclusion criteria
* Al patients undergoing elective carotid endarterectomy
Exclusion criteria
* Patients requiring a blood transfusion prior to surgery * Patients with an inappropriate temporal bone window for transcranial Doppler (TCD) * Patients on vitamin K antagonists or antiplatelet treatment other then aspirin * Patients with an artificial cardiac valve
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Microembolic signals (MES) | During and 1 hour following carotid endarterectomy (CEA) | Microembolic signals detected by transcranial duplex (TCD) |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Ischemic stroke | within 30 days postoperative | — |
| Asymptomatic perioperative myocardial injury | 3 days postoperative | Troponin elevation \> 0.1 ng/ml |
| Myocardial infarction | Within 30 days postoperative | — |
Countries
Netherlands