Table 2.
Baseline procedural and lesion characteristics in the temporal trend cohort.
| All patients (N = 4609) | Access site |
P | ||
|---|---|---|---|---|
| TFA (n = 3720) | TRA (n = 889) | |||
| Single access site | 3193 (69.3%) | 2544 (68.4%) | 649 (73.0%) | <.01 |
| Contrast volume, mL | 268 ± 138 | 274 ± 138 | 244 ± 133 | <.01 |
| Fluoroscopy time, min | 38.5 ± 27.0 | 38.7 ± 27.0 | 37.5 ± 27.0 | .24 |
| CTO lesion count | 1.404 ± 0.90 | 1.09 ± 0.34 | 1.05 ± 0.27 | <.01 |
| Target vessel | .71 | |||
| Left anterior descending artery | 1255 (28.1%) | 1015 (28.2%) | 240 (27.4%) | |
| Left circumflex artery | 1186 (26.5%) | 952 (26.5%) | 234 (26.7%) | |
| Left main coronary artery | 17 (0.4%) | 14 (0.4%) | 3 (0.3%) | |
| Right coronary artery | 1948 (43.5%) | 1559 (43.3%) | 389 (44.5%) | |
| Calcification of CTO lesion | 1187 (25.8%) | 991 (26.6%) | 196 (22.0%) | <.01 |
| Presence of bifurcation CTO lesion | 245 (5.3%) | 192 (5.2%) | 53 (6.0%) | .34 |
| Any CTO lesion with length >20.0 mm | 2135 (59.5%) | 1783 (61.3%) | 352 (52.0%) | <.01 |
| Intravascular ultrasound for CTO PCI | 495 (10.7%) | 422 (11.3%) | 73 (8.2%) | <.01 |
| Atherectomy for treatment of CTO lesion | 303 (7.4%) | 280 (8.4%) | 23 (3.0%) | <.01 |
Values are mean ± SD or n (%).
CTO, chronic total occlusion; PCI, percutaneous coronary intervention; TFA, transfemoral access; TRA, transradial access.