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Table 4 Echocardiographic results at clinical follow-up

From: Transapical transcatheter aortic valve replacement in patients with or without prior coronary artery bypass graft operation

  No CABG (n = 75) CABG (n = 45) p Value
At 30 Days
 Aortic Valve Area, cm2 1.62 ± 0.31 1.64 ± 0.25 0.655
 LVEF, % 57.1 ± 9.6 47.2 ± 14.3 <0.001
 Aortic Valve Mean Gradient, mm Hg 10.2 ± 3.9 9.7 ± 3.3 0.534
 Aortic Valve Peak Gradient, mm Hg 20.1 ± 7.0 19.9 ± 6.9 0.923
 LVIDs, cm 3.59 ± 0.66 4.30 ± 1.0 <0.001
 LVIDd, cm 5.13 ± 0.64 5.64 ± 0.82 <0.001
 Δ LVEF, % 2.6 ± 9.6 3.6 ± 7.7 0.560
 Δ LVIDs, cm −0.06 ± 0.51 −0.27 ± 0.46 0.028
 Δ LVIDd, cm 0.02 ± 0.52 −0.15 ± 0.61 0.119
 AV Regurgitation Moderate/Severe 0 0  
 MV Regurgitation Moderate/Severe 9 (12.2) 9 (20.0) 0.295
At One Year No CABG (n = 48) CABG (n = 28)  
 Aortic Valve Area, cm2 1.66 ± 0.40 1.82 ± 0.35 0.079
 LVEF, % 60.0 ± 8.1 43.9 ± 16.1 <0.001
 Aortic Valve Mean Gradient, mm Hg 11.6 ± 6.4 10.0 ± 4.0 0.234
 Aortic Valve Peak Gradient, mm Hg 22.8 ± 12.3 19.0 ± 5.9 0.137
 LVIDs 3.39 ± 0.46 4.55 ± 1.37 <0.001
 LVIDd, cm 5.02 ± 0.49 5.80 ± 1.09 <0.001
 Δ LVEF, % 3.5 ± 7.9 4.9 ± 7.7 0.470
 Δ LVIDs, cm −0.21 ± 0.55 −0.18 ± 0.63 0.868
 Δ LVIDd, cm −0.07 ± 0.54 −0.02 ± 0.66 0.758
 AV Regurgitation Moderate/Severe 0 0  
 MV Regurgitation Moderate/Severe 6 (12.5) 4 (14.2) 1.0
  1. LV EF Left ventricular ejection fraction, LVIDs Left ventricular diameter at end systole, LVIDd Left ventricular diameter at end diastole. Δ calculated from baseline pre procedure measurements, AV Aortic valve, MV Mitral valve