Table 3.
Clinical, lesion, and procedural characteristics for the PCI group (n = 13).
| Pre-TAVR | Post-TAVR | p value | |
|---|---|---|---|
| Clinical characteristics | |||
| Time from TAVR (days) | 37.31 ± 39.38 | 603.92 ± 516.58 | — |
| Procedure indication | |||
| Asymptomatic/silent ischemia | 9 (69.2) | 2 (15.4) | 0.008 |
| Stable angina | 2 (15.4) | 1 (7.7) | 0.564 |
| Unstable angina | 2 (15.4) | 4 (30.8) | 0.414 |
| Non-ST elevation myocardial infarction | 0 (0) | 6 (46.2) | — |
| ST elevation myocardial infarction | 0 (0) | 0 (0) | — |
| Procedural characteristics | |||
| Vessel treated | |||
| Left main | 6 (46.2) | 2 (15.4) | 0.046 |
| Left anterior descending artery | 5 (38.5) | 4 (30.8) | 0.564 |
| Circumflex artery | 7 (53.9) | 4 (30.8) | 0.083 |
| Ramus intermedius | 2 (15.4) | 2 (15.4) | 1 |
| Right coronary artery | 2 (15.4) | 3 (23.1) | 0.317 |
| Venous graft | 2 (15.4) | 2 (15.4) | 1.000 |
| Lesion location | |||
| Ostial | 7 (53.9) | 6 (46.2) | 0.564 |
| Bifurcation | 7 (53.9) | 4 (30.8) | 0.180 |
| Type B2/C lesion | 12 (92.3) | 11 (84.6) | 0.564 |
| Diameter stenosis (%) | 83.17 ± 12.13 | 89.31 ± 11.88 | 0.267 |
| TIMI flow before PCI | |||
| 0 | 1 (7.7) | 1 (7.7) | 1 |
| 1 | 0 (0) | 1 (7.7) | — |
| 2 | 1 (7.7) | 2 (15.4) | 0.564 |
| 3 | 11 (84.6) | 9 (69.2) | 0.414 |
| TIMI flow after PCI | |||
| 0 | 0 (0) | 0 (0) | — |
| 1 | 0 (0) | 1 (7.7) | — |
| 2 | 0 (0) | 0 (0) | — |
| 3 | 13 (100) | 12 (92.3) | — |
| Access site | |||
| Femoral | 3 (23.1) | 4 (30.8) | 0.655 |
| Radial | 10 (76.9) | 8 (61.5) | 0.414 |
| Both | 0 (0) | 1 (7.7) | — |
| Catheter diameter (French) | |||
| 5 | 3 (23.1) | 6 (46.2) | 0.257 |
| 6 | 8 (61.5) | 7 (53.89) | 0.655 |
| 7 | 2 (15.4) | 0 (0) | — |
| Number of guidings needed | 1.15 ± 0.38 | 1.54 ± 0.66 | 0.132 |
| Selective injection achieved | 12 (92.3) | 13 (100) | — |
| Number of lesions treated | 1.85 ± 0.90 | 1.31 ± 0.48 | 0.180 |
| Number of stents implanted | 2.31 ± 1.55 | 1.31 ± 0.75 | 0.037 |
| Total stent length (mm) | 57.23 ± 46.65 | 25.69 ± 18.06 | 0.018 |
| Maximum stent diameter (mm) | 3.15 ± 0.47 | 3.13 ± 1.07 | 0.680 |
| Type of stent used | |||
| Bare-metal stent | 3 (23.1) | 1 (7.7) | 0.317 |
| Drug-eluting stent | 10 (76.9) | 11 (84.6) | 0.655 |
| Balloon predilation | 13 (100) | 11 (84.6) | — |
| Balloon postdilation | 11 (84.6) | 9 (69.2) | 0.414 |
| GuideLiner used | 1 (7.7) | 0 (0) | — |
| Rotational atherectomy performed | 4 (30.8) | 0 (0) | — |
| Aspiration thrombectomy | 0 (0) | 1 (7.7) | — |
| Number of angiographic views | 16.46 ± 7.97 | 15.07 ± 6.00 | 0.667 |
| Fluoroscopy time (min) | 20.99 ± 20.92 | 20.69 ± 11.94 | 0.677 |
| Procedural duration (min) | 63.15 ± 37.41 | 65.23 ± 26.38 | 0.672 |
| Dose area product (cGy/cm2) | 13166 ± 8056 | 8098 ± 5579 | 0.131 |
| Contrast amount (mL) | 170 ± 86.98 | 148.92 ± 58.85 | 0.748 |
| Procedural success | 13 (100) | 12 (92.3) | — |
Variables are expressed as n (%) or mean ± SD. PCI = percutaneous coronary intervention.