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Patient-related high-risk criteria
| CEA-related |
| History of open heart surgery |
| Need of open heart surgery within 30 days |
| History of myocardial infarction |
| Known multi-vessel coronary artery disease |
| Left ventricular dysfunction with ejection fraction < 40% |
| Severe bronchopulmonary disease |
| Severe renal disease |
| Contralateral laryngeal nerve palsy |
| CAS-related |
| Advanced age (> 70 years) |
| Prior stroke |
| Decreased cerebrovascular reserve |
| High risk of bleeding |
