Skip to main content

Table 2 Preoperative imaging and valve hemodynamic

From: Transfemoral versus transapical approach for transcatheter aortic valve implantation: hospital outcome and risk factor analysis.

  Overall
(N = 180)
TA-TAVI
(N = 90)
TF-TAVI (N = 90) p
Transaortic valve gradient (mmHg) 67 ± 26 62 ± 25 71 ± 28  
Mean aortic valve area (cm2) 0.9 ± 3.4 1.2 ± 4.8 0.7 ± 0.2  
Indexed aortic valve area (cm2/m2) 0.4 ± 0.1 0.4 ± 0.1 0.4 ± 0.1  
Mean left ventricular ejection fraction (%) 54 ± 13 52 ± 12 56 ± 13  
> 50% 101 (56%) 42 (47%) 59 (66%) 0.008*
30–50% 70 (39%) 42 (47%) 28 (32%)  
< 30% 8 (4%) 6 (6%) 2 (2%)  
Pulmonary hypertension 101 (56%) 48 (53%) 53 (59%) 0.453*
Mean aortic annulus diameter measured with CT-scan (mm) 23 ± 2.3 23 ± 2.5 24 ± 2.1  
Mean aortic annulus diameter measured with TOE (mm) 23 ± 2.2 22 ± 2 22 ± 2.4  
Mean distance: annulus-left coronary ostium (mm) 13 ± 2.9 12 ± 2 14 ± 3.2  
Mean distance: annulus-right coronary ostium (mm) 134 ± 4 12 ± 3 15 ± 4.4  
  1. Data presented as mean ± SD or N (%). * Chi2 value
  2. CT Computed Tomography, TOE Transoesophageal echocardiography