No significant carotid artery disease | Unilateral 50–99% stenosis | Bilateral 50–90% stenosis | Carotid occlusion and contralateral >70% stenosis | |
---|---|---|---|---|
CABG, coronary artery bypass grafting. | ||||
CABG stroke risk | ∼2% | ∼3% | ∼5% | ∼7–11% |
Stroke risk attributable to carotid disease | 0% | ∼1.5% | ∼2.5% | ∼3.5–5.5% |
Operative risk of carotid endarterectomy at St Mary’s Hospital | n/a | <2% | <2% | <4% |