Parallel improvement of left ventricular geometry and filling pressure after transcatheter aortic valve implantation in high risk aortic stenosis: comparison with major prosthetic surgery by standard echo Doppler evaluation

Table 1 Characteristics of the 2 study groups at entry

Variables	TAVI	AVR	p
Variables	(n=45)	(n=33)	p
Sex (M/F)	25/20	18/15	0.929
Age (years)	80.8 ± 6.2	74.9 ± 4.6	<0.0001
Height (m)	1.63 ± 0.08	1.64 ± 0.05	0.423
Weight (Kg)	66.2 ± 10.3	67.1 ± 9.0	0.694
BSA	1.71 ± 0.16	1.73 ± 0.13	0.554
BMI (kg/m²)	24.8 ± 3,0	24.7 ± 2.3	0.936
Systolic BP (mmHg)	125.6 ± 12.9	129.9 ± 11.3	0.131
Diastolic BP (mmHg)	72.3 ± 9.8	73.7 ± 10.7	0.536
HR (beats/min)	71.9 ± 8.6	73.3 ± 8.1	0.461
STS Score (%)	14.7 ± 3.4	13.8 ± 2.8	0.211
Combined MR (%)	53.3	57.6	0.802
Combined AR (%)	53.3	54.5	0.830
TG max (mmHg)	88.3 ± 14.6	94.1 ± 14.6	0.087
TG mean (mmHg)	48.5 ± 8.8	50.6 ± 7.2	0.255
AVA (cm / m ²)	0.62 ± 0.11	0.61 ± 0.10	0.541
Zva (mmHg/m x m ²)	5.1 ± 1.3	5.5 ± 1.9	0.317
LVMi (g/m ^2.7)	80.0 ± 17.9	69.2 ± 15.8	<0.01
RWT	0.56 ± 0.09	0.54 ± 0.08	0.353
EF (%)	52.1 ± 6.9	55.3 ± 8.0	0.063
SVi (ml/m²)	46.8 ± 12.5	43.4 ± 11.9	0.232
E/e’ ratio	11.9 ± 2.9	12.3 ± 2.8	0.537
LAVi (ml/m²)	34.5 ± 7.7	36.2 ± 3.6	0.214

AR = Aortic regurgitation, BSA = Body surface area, BMI = Body mass index, BP = Blood pressure, E = Transmitral early diastolic velocity, e’ = early diastolic velocity of mitral annulus , EF = Ejection fraction, HR = Heart rate, HTN = Arterial hypertension, LAVi = Left atrial volume index, LVMi = Left ventricular mass index, MR = Mitral regurgitation, RWT = Relative wall thickness, STS = Society of Thoracic Surgeons, SVi = Stroke volume index, TG = Transvalvular gradient.

ISSN: 1476-7120