Skip to main content

Table 1 Characteristics of the 2 study groups at entry

From: 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

Variables TAVI AVR p
(n=45) (n=33)
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
  1. 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.