Research Article
The Impact of Aortic Valvular Calcium on Transcatheter Heart Valve Distortion
Table 2
Multislice computed tomography results.
| | | Overall (n = 118) | Noneccentric calcification group (n = 59) | Eccentric calcification group (n = 59) | value |
| | Preprocedural MSCT parameters | | Calcium score | | | | | | All cusps (mm3) | 581.8 ± 366.5 | 429.6 ± 333.3 | 733.9 ± 335.8 | <0.001 | | Noncoronary cusp (mm3) | 255.4 ± 159.8 | 158.0 ± 119.5 | 352.8 ± 133.9 | <0.001 | | Right-coronary cusp (mm3) | 184.4 ± 168.0 | 140.2 ± 121.7 | 228.5 ± 195.3 | 0.004 | | Left-coronary cusp (mm3) | 142.7 ± 105.3 | 133.1 ± 107.8 | 152.3 ± 102.7 | 0.326 | | Delta calcium scores (ΔCS) (mm3) | 175.8 ± 135.3 | 80.4 ± 37.0 | 271.3 ± 130.6 | <0.001 |
| | Postprocedural MSCT parameters | | THV stent frame | | | | | | Length of the longest stent frame (mm) | 20.81 ± 2.04 | 20.33 ± 2.02 | 21.29 ± 1.95 | 0.010 | | Length of the shortest stent frame (mm) | 19.29 ± 1.82 | 19.03 ± 1.81 | 19.56 ± 1.80 | 0.115 | | Valve distortion score (VDS) (mm) | 1.52 ± 0.82 | 1.31 ± 0.82 | 1.73 ± 0.76 | 0.004 | | THV cross-sectional eccentricity index | | | | | | THV inflow | 4.08 ± 2.40 | 4.04 ± 2.47 | 4.13 ± 2.35 | 0.841 | | THV annulus | 4.49 ± 2.83 | 4.48 ± 2.86 | 4.49 ± 2.83 | 0.983 | | THV mid | 4.23 ± 2.71 | 3.90 ± 2.23 | 4.56 ± 3.11 | 0.189 | | THV outflow | 2.48 ± 1.50 | 2.24 ± 1.49 | 2.73 ± 1.48 | 0.080 |
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Values are expressed as either mean ± SD. THV, transcatheter heart valve. MSCT, multislice computed tomography.
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