Table 2

Echocardiographic and catheter-derived data before and after primary intervention

Non-critical (n=42)Critical (n=65)P value
LVEDd, cm1.71 (0.29)1.94 (0.46)0.005
LVEDd, z-score−1.25 (1.43)0.05 (2.30)0.001
lVSd, cm0.50 (0.12)0.48 (0.15)0.611
IVSd, z-score1.53 (1.27)1.04 (1.28)0.095
LVPWd, cm0.40 (0.11)0.46 (0.13)0.26
LVPWd, z-score0.93 (1.48)2.12 (1.37)<0.001
LVFS, % (median, range)39 (28–58)24 (5–53)<0.001
LVFS <28%, n (%)047(78)<0.001
Aortic annulus, mm7.37 (1.15)6.37 (1.02)<0.001
Aortic annulus, z-score0.3 (1.53)−0.97 (1.49)<0.001
Peak aortic gradient, mm Hg101 (25)42 (22)<0.001
Residual peak aortic gradient, mm Hg39 (18)42 (22)0.478
Mean aortic gradient, mm Hg55 (13)44 (21)0.004
Residual mean aortic gradient, mm Hg24 (9.3)25 (13)0.781
Peak aortic jet velocity, m/s5.0 (0.58)4.2 (1.08)0.000
Residual peak aortic jet velocity, m/s3.0 (0.77)3.1 (0.8)0.459
Catheter derived gradients
 Catheter gradient at BAV, mm Hg60 (15)67 (42)0.849
 Residual catheter gradient, mm Hg38 (87)33 (21)0.747
Aortic regurgitation after intervention, n (%)
 None13 (31)23 (35)
 Trivial18 (43)33 (51)
 Mild4 (10)7 (11)
 Moderate00
 Severe00
  • Values represent mean (SD), except where otherwise stated.

  • BAV, balloon aortic valvotomy; IVSd, interventricular septum end-diastole; LVEDd, left ventricular end-diastolic dimension; LVFS, left ventricular fractional shortening; LVPWd, left ventricular posterior wall end-diastole.