Table 3. Changes in echocardiographic parameters following TAVI implantation.

Parameters	Prior TAVI	Post TAVI	p value
Left ventricular parameters
Ejection fraction (%)	53 ± 12	52 ± 11	0.285
LVEDD (cm)	4.7 ± 0.7	4.7 ± 0.7	0.828
LVEDV	106 ± 44	106 ± 40	0.776
LVESV	53 ± 35	53 ± 32	0.826
IVS (cm)	1.39 ± 0.19	1.37 ± 0.16	0.151
PW (cm)	1.29 ± 0.17	1.27 ± 0.16	0.207
LV mass (gr)	302 ± 84	306 ± 76	0.495
LA area	25.7 ± 6.2	24.8 ± 5.7	0.145
Doppler echocardiography
Mitral regurgitation degree	1.2 ± 0.7	0.8 ± 0.6	< 0.001
Mitral regurgitation duration %	43 ± 19	31 ± 23	< 0.001
Mitral E velocity (cm/s)	103 ± 33	108 ± 30	0.091
DT (ms)	225 ± 75	223 ± 66	0.867
E wave duration	34 ± 8	37 ± 10	0.01
Maximum aortic gradient (mmHg)	83 ± 25	17 ± 6	< 0.001
Mean aortic gradient (mmHg)	47 ± 15	8 ± 3	< 0.001
sPAP (mmHg)	41 ± 14	38 ± 12	0.021

Paired t test; A significant p value was accepted as < 0.05. p values between 0.05-0.1 represent a non-significant tendency.

DT, deceleration time; IVS, interventricular septum; LA, left atrium; LV, left ventricle; LVEDD, left ventricular end diastolic diameter; LVEDV, left ventricular end diastolic volume; LVESV, left ventricular end systolic volume; PAP, pulmonary artery pressure; PW, posterior wall; TAVI, transcatheter aortic valve implantation.