Table 2.
Details of Carotid Stenting Procedures Performed in C2R for Primary Atherosclerosis
| Characteristic - n (%) | All patients 2141* (100%) |
Asymptomatic 1180 (55.1%) |
Symptomatic 961 (44.9%) |
|---|---|---|---|
| Medications | |||
| Pre-procedure† DAPT‡ | 1733 (80.9) | 964 (81.7) | 769 (80.0) |
| Pre-procedure statin therapy | 1641 (76.7) | 910 (77.2) | 731 (76.1) |
| Post-procedure§ DAPT | 1999 (93.5) | 1096 (93.1) | 903 (94.1) |
| Stents | |||
| Closed cell stents | 1500 (70.1) | 805 (68.3) | 695 (72.5) |
| Open-cell stents | 639 (29.9) | 373 (31.6) | 266 (27.7) |
| No stent used (balloon angioplasty) | 1 (0.05) | 1 (0.08) | 0 (0) |
| Embolic protection | |||
| Distal filter protection | 1960 (91.5) | 1074 (91.0) | 886 (92.2) |
| Proximal flow-reversal | 153 (7.1) | 94 (8.0) | 59 (6.1) |
| No embolic protection | 28 (1.3) | 12 (1.0) | 16 (1.7) |
| Anesthesia** | |||
| Local | 1919 (94.1) | 1066 (95.3) | 853 (92.7) |
| General | 120 (5.9) | 53 (4.7) | 67 (7.3) |
*
The first C2R-eligible revascularization for 2141 patients
†
Pre-procedure includes medication taken within 36 hours of the CAS procedure
‡‡
DAPT (dual anti-platelet therapy) is defined as aspirin + any other antiplatelet
§
Post-procedure includes medications prescribed to the patient at the time of discharge
**
“Local” includes minimal sedation (anxiolysis), moderate sedation/analgesia (conscious sedation), local, and regional anesthesia. “General” includes deep sedation/analgesia, local converted to general, and general anesthesia