Table 2.
Clinical and procedural characteristics for the coronary angiogram group (n = 28).
| Pre-TAVR | Post-TAVR | p value | |
|---|---|---|---|
| Clinical characteristics | |||
| Time from TAVR (days) | 428.57 ± 1287.40 | 748.75 ± 686.62 | — |
| Procedure indication | |||
| Asymptomatic/silent ischemia | 21 (75.0) | 10 (35.7) | 0.008 |
| Stable angina | 2 (7.1) | 0 (0) | — |
| Unstable angina | 3 (10.7) | 11 (39.3) | 0.021 |
| Non-ST elevation myocardial infarction | 2 (7.1) | 5 (17.9) | 0.257 |
| ST elevation myocardial infarction | 0 (0) | 2 (7.1) | — |
| Procedural characteristics | |||
| Access site | |||
| Femoral | 9 (32.1) | 10 (35.7) | 0.655 |
| Radial | 19 (67.9) | 18 (64.3) | 0.602 |
| Catheter diameter (French) | |||
| 4 | 0 (0) | 2 (7.1) | — |
| 5 | 28 (100) | 25 (89.3) | — |
| 6 | 0 (0) | 1 (3.6) | — |
| Number of diagnostic catheters used | |||
| Left coronary artery | 1.21 ± 0.69 | 1.04 ± 0.33 | 0.219 |
| Right coronary artery | 1.21 ± 0.79 | 0.96 ± 0.58 | 0.305 |
| VG/LIMA | 0.79 ± 0.96 | 0.82 ± 0.94 | 1.000 |
| Number of guidings needed | |||
| Left coronary artery | 0.14 ± 0.36 | 0 ± 0 | 0.125 |
| Right coronary artery | 0 ± 0 | 0 ± 0 | — |
| Selective injection achieved | |||
| Left coronary artery | 25 (92.6) | 22 (81.5) | 0.257 |
| Right coronary artery | 22 (95.7) | 19 (82.6) | 0.083 |
| Number of angiographic views | 12.27 ± 4.71 | 9.85 ± 3.03 | 0.004 |
| Ventriculography ± aortogram performed | 22 (78.6) | 11 (39.3) | 0.008 |
| Procedural duration (min) | 24.86 ± 10.85 | 23.43 ± 8.36 | 0.877 |
| Fluoroscopy time (min) | 7.59 ± 6.06 | 6.23 ± 4.20 | 0.269 |
| Dose area product (cGy/cm2) | 6295.88 ± 5125.99 | 4252.11 ± 2255.88 | 0.008 |
| Contrast amount (mL) | 125.32 ± 58.27 | 83.79 ± 40.77 | 0.003 |
Variables are expressed as n (%) or mean ± SD. LIMA = left internal mammary artery; VG = venous graft.