Assessment of left ventricular diastolic function after Transcatheter aortic valve implantation in aortic stenosis patients by echocardiographic according to different guidelines

Table 4 Echocardiographic diastolic variables, pre- and post-TAVI

	Baseline	Post-3d	Post-1 m	Post-6 m	P1	P2	P3
E (cm/s)	66.3 ± 18.6	67.7 ± 16.9	66.0 ± 20.8	66.5 ± 15.8	0.582	0.561	0.850
A (cm/s)	81.4 ± 22.7	86.9 ± 26.7	87.5 ± 23.2	85.5 ± 20.4	0.072	0.882	0.585
E/A	0.9 ± 0.4	0.8 ± 0.4	0.8 ± 0.3	0.9 ± 0.3	0.959	0.491	0.896
DT (ms)	216.2 ± 50.6	188.1 ± 39.3	193.0 ± 34.0	196.4 ± 26.4	0.003^*	0.540	0.514
IVRT(ms)	107.1 ± 12.1	91.0 ± 12.3	84.6 ± 9.1	82.8 ± 9.3	< 0.001^*	0.007^*	0.273
E’ (cm/s)	6.5 ± 2.1	6.9 ± 1.8	8.0 ± 2.3	8.6 ± 1.6	0.356	0.018^*	0.047^*
E/E’	10.8 ± 3.7	10.3 ± 3.3	7.9 ± 3.0	7.2 ± 2.1	0.403	0.012^*	0.063
LA area (cm²)	22.9 ± 4.6	21.4 ± 3.8	18.6 ± 3.0	17.2 ± 2.3	< 0.001^*	< 0.001^*	< 0.001^*
LAVI (ml/cm²)	42.4 ± 14.7	38.7 ± 11.3	31.3 ± 8.3	27.5 ± 5.5	0.008^*	< 0.001^*	< 0.001^*
TR (m/s)	3.3 ± 0.5	2.9 ± 0.5	2.7 ± 0.4	2.6 ± 0.3	< 0.001^*	0.021^*	0.143

E, early transmitral flow velocity; A, late transmitral flow velocity; DT deceleration time of E-wave; IVRT isovolumic relaxation time; E′, mean peak early diastolic myocardial annular velocity; TR tricuspid regurgitation systolic peak velocity; LA left atrial; LAVI left atria maximum volume index
Data are mean ± SD
P1: for comparison between baseline and Post-3d; P2: for comparison between Post-3d and Post-1 m; P3: for comparison between Post-1 m and Post-6 m. ^*Data are P < 0.05

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