Patient characteristics
| Parameters | No of Patients | % |
|---|---|---|
| Total No. of patients | 18 | 100 |
| Men | 12 | 66.7 |
| Women | 6 | 33.3 |
| Age (range) (mean) (yr) | 48–78 (60.4) | |
| Symptoms | ||
| Subclavian steal | 9 | 50.0 |
| Transient ischemic attack | 10 | 55.6 |
| Syncope or presyncope episodes | 2 | 11.1 |
| Symptoms of upper limb ischemia | 1 | 5.6 |
| Cardiovascular risk factors and comorbidities | ||
| Arterial hypertension | 14 | 77.8 |
| Diabetes mellitus | 3 | 16.7 |
| Smoking | 17 | 94.4 |
| Hyperlipidemia | 14 | 77.8 |
| Coronary heart disease or previous myocardial infarction | 7 | 38.9 |
| Previous aortocoronary bypass surgery | 4 | 22.2 |
| Previous ischemic stroke or transient ischemic attack | 11 | 61.1 |
| Associated stenosis of other cervical vessels | 14 | 77.8 |
| Peripheral arterial occlusive disease | 9 | 50.0 |