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. 2022 Apr 13;9:767906. doi: 10.3389/fcvm.2022.767906

Table 3.

Transcatheter heart valve size and valve sizes proposed by different sizing methods of the patients in this study.

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