Comparison of echocardiographic variables before and after TAVI.

Table 2: Comparison of echocardiographic variables before and after TAVI.

		CoreValve Group (n ═ 56)				Edwards SAPI (n ═ 41)
	Pre-TAVI	1st month	6th month	p1	p2	Pre-TAVI	1^st month	6^th month	p1	p2
Maximal gradient (mmHg)	76.39 ± 13.29	18.60 ± 5.56	15.67 ± 5.33	< 0.001	< 0.001	82.48 ± 14.37	20.48 ± 3.09	20.21 ± 2.62	< 0.001	< 0.001
Mean gradient (mmHg)	47.81 ± 8.30	9.94 ± 2.91	7.96 ± 2.77	< 0.001	< 0.001	44.95 ± 7.14	9.29 ± 1.83	9.31 ± 1.66	< 0.001	< 0.001
LV ejection fraction (%)	51.46 ± 9.43	55.05 ± 6.98	56.76 ± 5.85	< 0.001	< 0.001	49.24 ± 8.14	52.96 ± 7.49	55.02 ± 7.36	< 0.001	< 0.001
IVS (mm)	13.9 ± 1.6	12.4 ± 1.4	11.5 ± 0.9	< 0.001	< 0.001	14.5 ± 1.4	12.9 ± 0.7	10.8 ± 0.9	< 0.001	< 0.001
PWT (mm)	13.0 ± 1.4	11.8 ± 1.1	11.3 ± 0.8	< 0.001	< 0.001	12.7 ± 0.7	11.6 ± 0.7	11.6 ± 0.7	< 0.001	< 0.001
LVEDD (cm)	4.85 ± 0.56	4.81 ± 0.52	4.62 ± 0.45	0.001	< 0.001	5.08 ± 0.66	5.03 ± 0.61	4.88 ± 0.58	0.008	< 0.001
RWT (g/m²)	0.55 ± 0.08	0.50 ± 0.07	0.49 ± 0.06	< 0.001	< 0.001	0.52 ± 0.09	0.47 ± 0.07	0.45 ± 0.07	< 0.001	< 0.001
LV mass (g)	265.9 ± 59.1	226.7 ± 51.5	195.3 ± 39.0	< 0.001	< 0.001	289.1 ± 48.1	245.4 ± 46.7	210.4 ± 39.7	< 0.001	< 0.001
LVMI (g/m²)	144.5 ± 31.6	123.1 ± 27.3	106.0 ± 21.1	< 0.001	< 0.001	160.9 ± 35.7	136.6 ± 32.9	117.0 ± 27.1	< 0.001	< 0.001
AVA (cm²)	0.77 ± 0.12	1.64 ± 0.15	1.64 ± 0.15	< 0.001	< 0.001	0.80 ± 0.11	1.66 ± 0.14	1.65 ± 0.13	< 0.001	< 0.001

TAVI: Transcatheter Aortic Valve İmplantation; LV: Left ventricular; IVS: Interventricular Wall Thickness; PWT: Posterior Wall Thickness; LVEDD: Left Ventricular End-Diastolic Dimension; RWT: Relative Wall Thickness; LVMI: Left Ventricular Mass İndex; AVA: Aortic Valve Area p1: Comparison of preprocedural values with those at 1 month ; p2: Comparison of preprocedural values with those at 6 months.