Table 3

Baseline Echocardiographic and Procedural Characteristics

Pre-TAVRPost-TAVRp Value
Peak velocity (cm/s)407.18 ± 93.68209.58 ± 46.0<0.001
Peak gradient (mm Hg)70.01 ± 32.8517.58 ± 7.3<0.001
Mean gradient (mm Hg)37.64 ± 18.488.93 ± 4.2<0.001
Aortic valve area (cm2)0.68 ± 0.221.48 ± 0.4<0.001
LV systolic function
 Normal20 (71.4)20 (71.4)NS
 Mildly impaired3 (10.7)3 (10.7)NS
 Moderately impaired2 (7.1)4 (14.3)NS
 Severely impaired3 (10.7)1 (3.6)NS
LV end-diastolic pressure (mm Hg)17.63 ± 7.915.44 ± 6.60.06
Paravalvular leak
 None15 (53.6)
 Mild13 (46.4)
 Moderate0 (0)
 Severe0 (0)

Values are mean ± SD or n (%).

LV = left ventricular; TAVR = transcatheter aortic valve replacement.