Introduction
Methods
Study population
Study endpoints
Procedural details and 3D image analysis of MSCT
Statistical analysis
Results
Baseline characteristics
General procedural characteristics
Detailed analysis of the implantation depth
Characteristics | ID | FP (n = 189) | RP (n = 189) | p value |
---|---|---|---|---|
AVC grading | ||||
Mild | ID→NCC | − 5.6 ± 3.4 | − 4.5 ± 2.1 | *0.031 |
ID→LCC | − 7.0 ± 3.4 | − 5.6 ± 2.1 | *0.007 | |
Average ID | − 6.3 ± 3.3 | − 5.1 ± 2.0 | *0.011 | |
Moderate | ID→NCC | − 4.5 ± 2.7 | − 4.8 ± 2.5 | 0.525 |
ID→LCC | − 6.0 ± 2.8 | − 6.3 ± 2.4 | 0.686 | |
Average ID | − 5.3 ± 2.6 | − 5.5 ± 2.3 | 0.583 | |
Severe | ID→NCC | − 4.6 ± 2.9 | − 3.7 ± 2.4 | *0.036 |
ID→LCC | − 6.1 ± 2.7 | − 5.0 ± 2.4 | *0.010 | |
Average ID | − 5.3 ± 2.6 | − 4.3 ± 2.1 | *0.011 | |
LVOT-Calcification | ||||
None | ID→NCC | − 5.2 ± 2.9 | − 4.7 ± 2.1 | 0.190 |
ID→LCC | − 7.0 ± 2.7 | − 5.8 ± 2.2 | *0.003 | |
Average ID | − 6.1 ± 2.7 | − 5.3 ± 2.1 | *0.003 | |
Relevant | ID→NCC | − 4.1 ± 3.1 | − 3.7 ± 2.4 | 0.114 |
ID→LCC | − 5.6 ± 2.9 | − 5.1 ± 2.3 | 0.175 | |
Average ID | − 5.0 ± 2.8 | − 4.4 ± 2.2 | 0.111 | |
Valve sizes | ||||
23 mm | ID→NCC | − 4.3 ± 1.5 | − 6.0 ± 2.0 | 0.315 |
ID→LCC | − 4.0 ± 1.0 | − 5.0 ± 1.7 | 0.435 | |
Average ID | − 4.2 ± 0.3 | − 5.5 ± 1.8 | 0.275 | |
26 mm | ID→NCC | − 4.4 ± 2.1 | − 3.3 ± 2.1 | *0.011 |
ID→LCC | − 5.4 ± 2.3 | − 4.6 ± 2.1 | 0.058 | |
Average ID | − 4.9 ± 2.0 | − 4.0 ± 1.9 | *0.014 | |
29 mm | ID→NCC | − 5.0 ± 2.7 | − 4.5 ± 2.2 | 0.198 |
ID→LCC | − 6.5 ± 2.6 | − 5.6 ± 2.1 | *0.008 | |
Average ID | − 5.7 ± 2.4 | − 5.1 ± 2.0 | *0.036 | |
34 mm | ID→NCC | − 4.9 ± 4.1 | − 5.0 ± 2.6 | 0.977 |
ID→LCC | − 6.8 ± 3.7 | − 6.7 ± 2.7 | 0.843 | |
Average ID | − 5.9 ± 3.8 | − 5.8 ± 2.5 | 0.934 |
Univariate analysis | Multivariate analysis | ROC-curve (only independent predictors) | |||||
---|---|---|---|---|---|---|---|
OR (95% CI) | p value | OR (95% CI) | p value | AUC | 95% CI | p value | |
(A) Protective for deep ID | |||||||
Rapid pacing | 0.57 (0.36–0.90) | 0.016* | 0.49 (0.30–0.79) | 0.004* | 0.67 | 0.61–0.73 | < 0.0001* |
LVOT Calcification | 0.55 (0.35–0.87) | 0.011* | 0.50 (0.31–0.81) | 0.005* | |||
“Flare” Aortic root | 0.49 (0.29–0.81) | 0.005* | 0.42 (0.25–0.71) | 0.001* | |||
Valve size 26 mm | 0.51 (0.29–0.90) | 0.020* | – | – | |||
(B) Risk for deep ID | |||||||
Annulus Perimeter | 1.04 (1.01–1.07) | 0.010* | – | – | |||
Annulus Diameter | 1.14 (1.03–1.25) | 0.010* | – | – | |||
LVOT Diameter | 1.15 (1.05–1.26) | 0.002* | – | – | |||
“Tube” Aortic root | 2.00 (1.23–3.22) | 0.005* | – | – | |||
Valve size 34 mm | 2.02 (1.23–3.33) | 0.006* | 1.86 (1.11–3.13) | 0.019* |