Table 1.
Baseline characteristics
| All patients (n = 48) | |
|---|---|
| Age | 71.5 (50–93) |
| Sex, male | 36 (75%) |
| Risk factors | |
| Hypertension | 34 (71%) |
| Hyperlipidemia | 35 (73%) |
| Diabetes mellitus | 13 (27%) |
| Coronary artery disease | 20 (42%) |
| Peripheral arterial disease | 11 (23%) |
| Smoker (current/ex) | 36 (76%) |
| Symptomatic | 48 (100%) |
| Ipsilateral stenosis | |
| 50–70% | 5 (10%) |
| >70% | 42 (87%) |
| Contralateral stenosis | |
| Occlusion | 10 (21%) |
| >70% | 5 (10%) |
| 50–70% | 5 (10%) |
| <50% | 28 (58%) |
| Shunt use | 5 (10%) |
| Medication | |
| Statins | 39 (81%) |
| Antiplatelets | 41 (85%) |
| Anti-coagulants | 5 (10%) |
| Diuretics | 12 (25%) |
| BP-lowering drugs | 32 (67%) |
| Preoperative systolic BP, mm Hg (SD) | 147 (17) |
| Preoperative diastolic BP, mm Hg (SD) | 77 (12) |
| Preoperative MAP, mm Hg (SD) | 101 (11) |
| Postoperative events | |
| Total events | 7 (15%) |
| Cerebral hyperperfusion | 3 (6%) |
| Bleeding requiring surgery | 1 (2%) |
| Stroke | 1 (2%) |
| TIA | 2 (4%) |
| Medium care admission | 8 (17%) |
| Extended recovery admission | 11 (23%) |
| Labetalol use | 11 (23%) |
| Norephedrine use | 4 (8%) |
| Clonidine use | 6 (13%) |
Abbreviations: BP, blood pressure; MAP, mean arterial pressure. Data in median (range) or number (%); TIA, trans ichemic attack.