Research Article
Incidence, Predictors, and Outcome of Paravalvular Leak after Transcatheter Aortic Valve Implantation
Table 2
Procedural and MSCT characteristics of patients based on the severity of PVL.
| Procedural factors | All (n = 256) | ≥mild PVL (n = 75) | <mild PVL (n = 181) | value |
| Annular maximum diameter (mm) | 27.1 ± 3.14 | 27.67 ± 3.19 | 26.52 ± 3.10 | 0.01 | Annular minimum diameter (mm) | 21.3 ± 2.75 | 21.67 ± 2.71 | 20.85 ± 2.80 | 0.03 | Annular mean diameter (mm) | 24.2 ± 2.63 | 24.67 ± 2.66 | 23.69 ± 2.59 | 0.01 | Annular area (mm2) | 462.7 ± 101.2 | 481.09 ± 103.24 | 444.38 ± 99.21 | 0.001 | Annular ellipticity | 21.17 ± 8.9 | 21.33 ± 8.46 | 21.02 ± 9.47 | 0.81 | Diameter derived prosthesis mismatch (%) | 12.8 ± 9.9 | 12.09 ± 10.46 | 13.62 ± 9.26 | 0.25 | Prosthesis/mean annulus diameter ratio | 1.13 ± 0.10 | 1.12 ± 0.10 | 1.14 ± 0.09 | 0.25 | Calcification volume (mm3) | 798 ± 594.5 | 991.64 ± 709.94 | 604.37 ± 479.05 | <0.001 | Presence of predilatation | | 150 (82.9%) | 66 (88%) | 0.30 | Area cover index | 19.9 ± 14.6 | 18.66 ± 15.52 | 21.14 ± 13.66 | 0.21 | Depth of implantation (mm) | 6.8 ± 4.43 | 7.21 ± 4.47 | 6.40 ± 4.39 | 0.27 | LVOT nontubularity | −5.3 ± 18.46 | −7.15 ± 18.59 | −3.46 ± 18.33 | 0.15 | Second valve implantation | 28 (10.9%) | 7 (9.3%) | 21 (11.6%) | 0.59 | Postdilatation | 115 (44.9%) | 45 (60%) | 70 (38.7%) | 0.002 | Size of the prosthesis (mm) | | | | 0.23 | 23 | 46 (19.9%) | 9 (12.0%) | 37 (20.4%) | | 26 | 109 (42.6%) | 30 (40%) | 79 (43.6%) | | 29 | 74 (28.9%) | 26 (34.7%) | 48 (26.5%) | | 31/32 | 27 (10.5%) | 10 (13.3%) | 17 (9.9%) | | Prosthesis type | | | | 0.054 | Self-expandable | 213 (83.2%) | 69 (91.9%) | 144 (79.6%) | | Mechanically expandable | 32 (12.5%) | 4 (5.4%) | 28 (15.5%) | | Balloon expandable | 11 (4.3%) | 2 (2.7%) | 9 (5.0%) | | Type of native valve | | | | 0.61 | Tricuspid | 114 (44.5%) | 31 (41.3%) | 83 (45.9%) | | Bicuspid type I | 58 (22.6%) | 16 (21.3%) | 42 (23.2%) | | Bicuspid type 0 | 84 (32.8%) | 28 (37.3%) | 56 (30.9%) | |
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Data are presented as mean ± SD or percentages. LVOT: left ventricular outflow tract.
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