Table 1.
Baseline clinical and procedural characteristics
| Total population (n = 179) | Good image quality (n = 128) | Poor image quality (n = 51) | p value | |
|---|---|---|---|---|
| Age (years) | 79.2 ± 8.8 | 78.8 ± 9.0 | 80.3 ± 8.2 | 0.31 |
| Gender, male N (%) | 95 (53.1) | 72 (56.2) | 23 (45.1) | 0.18 |
| Height (cm) | 168.6 ± 9.4 | 168.5 ± 9.4 | 168.9 ± 9.5 | 0.81 |
| Weight (kg) | 76.0 ± 15.4 | 75.0 ± 14.8 | 78.4 ± 16.7 | 0.18 |
| Body mass index (kg/m2) | 26.7 ± 5.0 | 26.4 ± 4.9 | 27.4 ± 5.4 | 0.21 |
| Body surface area | 1.9 ± 0.2 | 1.8 ± 0.2 | 1.9 ± 0.2 | 0.13 |
| Agatston score | 3384 ± 2231 | 3584 ± 2466 | 2892 ± 1408 | 0.08 |
| Permanent pacemaker N (%) | 11 (6.1) | 6 (4.7) | 5 (9.8) | 0.20 |
| Valve type N (%) | 0.003 | |||
| Corevalve | 98 (54.7) | 68 (53.1) | 30 (54.7) | 0.49 |
| Edwards-SAPIEN | 52 (29.1) | 45 (35.2) | 7 (13.7) | 0.004 |
| Edwards-SAPIEN XT | 27 (15.1) | 22 (17.2) | 5 (9.8) | 0.21 |
| Edwards-SAPIEN 3 | 25 (14.0) | 23 (18.0) | 2 (3.9) | 0.014 |
| Portico | 6 (3.4) | 5 (3.9) | 1 (2.0) | 0.51 |
| Lotus | 23 (12.8) | 10 (7.8) | 13 (25.5) | 0.001 |
| Rhytmic N (%) | 141 (78.8) | 98 (77.2) | 43 (87.8) | 0.12 |
| Sinus rhythm N (%) | 98 (55.7) | 68 (53.5) | 30 (61.2) | |
| Pacemaker rhythm N (%) | 38 (21.6) | 25 (19.7) | 13 (26.5) | |
| Other N (%) | 5 (2.8) | 5 (3.9) | 0 (0.0) | |
| Arrhythmia N (%) | 35 (19.9) | 29 (22.8) | 6 (12.2) | 0.12 |
| Sinus, nodal or pacemaker rhythm + extrasystoles N (%) | 13 (7.4) | 11 (8.7) | 11 (4.1) | |
| Atrial fibrillation or atrial flutter N (%) | 17 (9.7) | 14 (11.0) | 3 (6.1) | |
| Other causes of arrhythmia N (%) | 5 (2.8) | 4 (3.1) | 1 (2.0) | |
| Heart rate (bpm) | 75.4 ± 27.7 | 75.4 ± 27.8 | 75.3 ± 27.8 | 0.98 |
| Isocentricity (≥grade 3) N (%) | 59 (33.5) | 41 (32.3) | 18 (36.7) | 0.58 |
| Presence of any artifact N (%) | 84 (47.2) | 53 (41.7) | 31 (60.8) | 0.021 |