Table 2.
Comparison of echo Doppler variables before and after the procedures and impact of the procedure (TAVI vs. AVR)
| Variables | At entry | TAVI | At entry | AVR | Within patients difference | Time related difference between procedures |
|---|---|---|---|---|---|---|
| HR (beats/m) |
71.8 ± 8.6 |
70.9 ± 7.8 |
73.3 ± 8.1 |
73.6 ± 9,3 |
0.706 |
0.381 |
| TG max (mmHg) |
88.3 ± 14.6 |
21.3 ± 7.7 |
94.1 ± 14.6 |
26.9 ± 5.6 |
<0.0001 |
0.950 |
| TG mean (mmHg) |
48.5 ± 8.8 |
11.1 ± 4.2 |
50.6 ± 7.2 |
14.0 ± 3.6 |
<0.0001 |
0.570 |
| Zva (mmHg/m x m 2) |
5.1 ± 1.3 |
3.9 ± 1.1 |
5.5 ± 1.9 |
4.5 ± 1.6 |
<0.0001 |
0.225 |
| LVMi (mg/m2.7) |
80.0 ± 17.9 |
70.6 ± 15.7 |
69.2 ± 15.8 |
68.7 ± 15.3 |
<0.0001 |
<0.0001 |
| RWT |
0.56 ± 0.09 |
0.50 ± 0.08 |
0.54 ± 0.08 |
0.54 ± 0.08 |
<0.0001 |
<0.0001 |
| EF (%) |
52.1 ± 6.9 |
55.2 ± 8.6 |
55.3 ± 8.0 |
57.2 ± 8.8 |
<0.0001 |
0.244 |
| SVi (ml/m2) |
46.8 ± 12.5 |
46.6 ± 10.7 |
43.4 ± 11.9 |
43.8 ± 10.4 |
0.886 |
0.725 |
| E/A ratio |
1.06 ± 0.55 |
1.21 ± 0.32 |
0.96 ± 0.25 |
1.10 ± 0.17 |
<0.001 |
0.981 |
| E velocity DT (ms) |
198.8 ± 76.7 |
187.4 ± 65.8 |
194.3 ± 65.7 |
181.0 ± 50.1 |
<0.01 |
<0.815 |
| e’ velocity (cm/s) |
8.6 ± 1.3 |
11.6 ± 1,5 |
8.9 ± 1.3 |
12.5 ± 1.6 |
<0.0001 |
0.147 |
| E/e’ ratio |
11.9 ± 2.9 |
9.06 ± 1.9 |
12.3 ± 2.8 |
11.5 ± 2.2 |
<0.0001 |
<0.0001 |
| LAVi (ml/m2) | 34.5 ± 7.7 | 28.2 ± 6.9 | 36.2 ± 3.6 | 27.8 ± 3.5 | <0.0001 | 0.484 |
A = Transmitral atrial velocity, DT = Deceleration time, E = Transmitral early diastolic velocity, e’ = Pulsed Tissue Doppler early diastolic velocity of the lateral mitral annulus, EF = Ejection fraction, LAVi = Left atrial volume index, LVMi = Left ventricular mass index, RDWT = Relative diastolic wall thickness, SVi = Stroke volume index, TG = Transvalvular gradient, Zva = Valvular-arterial impedance.