Table 3.

Multi-level THV measurements on MSCT after TAVI

	Overall (n = 94)	SAPIEN 3 (n = 39)	SAPIEN XT (n = 55)	P-value
Observed THV area oversizing, % (in relation to native annulus area)	9.5 ± 8.9	6.3 ± 8.6	11.8 ± 8.5	0.0027
Observed THV area expansion, % (in relation to prosthesis labelled area)
Overall levels	98.1 ± 6.0	100.9 ± 5.7	96.1 ± 5.5	<0.001
1. THV inflow	98.2 ± 8.6	105.2 ± 6.4	93.2 ± 6.2	<0.001
2. Native annulus	96.8 ± 6.4	99.4 ± 6.6	94.9 ± 5.5	<0.001
3. Mid-THV	95.7 ± 6.0	96.5 ± 5.9*	95.1 ± 6.1**	0.28
4. THV outflow	101.6 ± 7.1	102.4 ± 6.3	101.0 ± 7.7	0.36
Observed THV eccentricity index, %
Overall levels	3.60 ± 1.9	3.62 ± 2.0	3.59 ± 1.8	0.95
1. THV inflow	4.25 ± 2.9	3.81 ± 2.8	4.56 ± 2.9	0.21
2. Native annulus	3.72 ± 2.5	4.23 ± 2.7	3.35 ± 2.2	0.09
3. Mid-THV	3.19 ± 2.3	3.46 ± 2.5	3.00 ± 2.1	0.33
4. THV outflow	3.24 ± 2.7	2.95 ± 2.5	3.45 ± 2.8	0.37
THV depth, mm	3.9 ± 2.0	4.1 ± 2.2	3.8 ± 1.9	0.46

Values are mean±SD.

THV, transcatheter heart valve; TAVI, transcatheter aortic valve implantation; MSCT, multi-slice computed tomography.

*P < 0.001 vs. the SAPIEN 3 THV inflow; **P = 0.0058 vs. the SAPIEN XT THV inflow.