Table 3.
Sapien XT (N = 20) | Sapien 3 (N = 36) | P-value | |
---|---|---|---|
Transcatheter heart valve size, mm | |||
20, n (%) | 0 (0%) | 0 (0%) | - |
23, n (%) | 9 (45%) | 16 (44%) | 1 |
26, n (%) | 8 (40%) | 16 (44%) | 0.968 |
29, n (%) | 3 (15%) | 4 (12%) | 1 |
Conventional annular sizing method | |||
Maximum diameter, mm | 26.35 ± 2.85 | 27.36 ± 3.56 | 0.281 |
Minimum diameter, mm | 20.67 ± 2.02 | 21.77 ± 2.59 | 0.106 |
Mean diameter, mm | 23.52 ± 2.17 | 24.54 ± 2.84 | 0.167 |
Perimeter-derived diameter, mm | 23.83 ± 2.21 | 24.89 ± 3.04 | 0.175 |
Area-derived diameter, mm | 23.43 ± 2.15 | 24.45 ± 2.91 | 0.176 |
Proposed valve size, mm | |||
20, n (%) | 0 (0%) | 1 (3%) | 1 |
23, n (%) | 9 (45%) | 14 (39%) | 0.871 |
26, n (%) | 9 (45%) | 12 (33%) | 0.565 |
29, n (%) | 2 (10%) | 9 (25%) | 0.316 |
Oversizing, % | 7.26 ± 4.44 | 2.89 ± 7.69 | 0.009 |
Supra-annular sizing (The Wei's method) | |||
Maximum diameter, mm | 27.43 ± 2.59 | 28.10 ± 3.05 | 0.406 |
Minimum diameter, mm | 20.08 ± 2.98 | 20.94 ± 2.88 | 0.296 |
Mean diameter, mm | 23.75 ± 2.07 | 24.56 ± 2.40 | 0.206 |
Proposed valve size, mm | |||
20, n (%) | 0 (0%) | 0 (0%) | - |
23, n (%) | 9 (45%) | 14 (39%) | 0.871 |
26, n (%) | 9 (45%) | 18 (50%) | 0.936 |
29, n (%) | 2 (10%) | 4 (11%) | 1 |
Oversizing, % | 5.77 ± 4.98 | 2.08 ± 5.56 | 0.017 |
Discordance of sizing (Annular vs. supra-annular), n (%) | 4 (20%) | 7 (19%) | 1 |
Smaller, n (%) | 2 (10%) | 5 (14%) | 1 |
Larger, n (%) | 2 (10%) | 2 (6%) | 0.938 |