Table 2.
CT and procedural characteristics
| All patients (n = 42) | Dedicated (n = 21) | Non-dedicated (n = 21) | p-value | |
|---|---|---|---|---|
| Procedural planning | ||||
| Annular area, mm | 480.3 ± 96.1 | 472.9 ± 84.1 | 488.7 ± 108.3 | 0.62 |
| Annular perimeter, mm | 78.2 ± 7.8 | 77.7 ± 7.1 | 78.6 ± 8.6 | 0.72 |
| Area-derived diameter, mm | 24.6 ± 2.5 | 24.4 ± 2.2 | 24.8 ± 2.7 | 0.64 |
| LVOT diameter, mm | 24.6 ± 2.6 | 24.6 ± 2.4 | 24.6 ± 2.8 | 0.94 |
| Sinus of Valsalva diameter, mm | 35.7 ± 4.61 | 35.4 ± 4.7 | 36.0 ± 4.7 | 0.69 |
| Ascending aortic diameter, mm | 36.2 ± 6.42 | 38.6 ± 5.7 | 34.0 ± 6.3 | 0.02 |
| Agatston calcium score, AU ‡ | 147.5 [0–840] | 148 [78–804] | 80 [0–970] | 0.57 |
| Valve type | ||||
| JenaValve, n (%) | 21 (50.0) | 21 (100) | 0 (0.0) | |
| CoreValve/Evolut, n (%) | 5 (11.9) | 5 (23.8) | ||
| Edwards Sapien 3, n (%) | 4 (9.5) | 4 (19.0) | ||
| Lotus/Lotus Edge, n (%) | 3 (7.1) | 3 (14.3) | ||
| Portico, n (%) | 1 (2.4) | 1 (4.8) | ||
| Acurate Neo/Prime, n (%) | 6 (14.3) | 6 (28.6) | ||
| Myval Octacor, n (%) | 2 (4.8) | 2 (9.5) | ||
| Oversizing | ||||
| Self-expanding valves —Perimeter oversizing (%)† | 13.2 ± 6.1 | 15.5 ± 4.7 | 10.1 ± 6.5 | < 0.01 |
| Balloon-expandable—Area oversizing (%)* | 9.9 ± 3.8 | – | 9.9 ± 3.8 | – |
| Procedural characteristics | ||||
| General anaesthesia | 6 (14.3) | 0 | 6 (28.6) | <0.01 |
| Cerebral protection device use | 1 (2.4) | 0 | 1 (4.8) | 0.31 |
| Rapid ventricular pacing | 34 (81.0) | 15 (71.4) | 19 (90) | 0.12 |
| Contrast volume (mL) | 108.57 ± 44.51 | 112.0 ± 36.07 | 105.24 ± 50.88 | 0.63 |
| Fluoroscopy time (min) * | 14.5 [11.2–20.1] | 15.4 [11.6–21.1] | 12.5 [6.8–22.6] | 0.18 |
| Post-dilatation performed | 5 (11.9) | 2 (9.5) | 3 (14.3) | 0.62 |
‡Based on n = 30
†Perimeter oversizing was calculated as the ratio of annulus perimeter to the valve waist perimeter for all self-expanding valves
*Area oversizing was calculated as the ratio of annulus area to the valve area for balloon-expandable valves
LVOT left ventricular outflow