Table 4

Pre- and Post-Echocardiographic Data (Mean Gradient, Effective Orifice Area, LV Ejection Fraction)

BaselinePost-Procedure
(Through 30 Days)
Mean gradient, mm Hg45.9 ± 9.6
27.9–68.9
(n = 72)
12.6 ± 7.1
0.8–38.4
(n = 72)
Effective orifice area, cm20.65 ± 0.18
0.28–1.11
(n = 60)
1.50 ± 0.56
0.58–3.59
(n = 64)
LVEF, %56.1 ± 9.9
27.7–70.0
(n = 51)
56.3 ± 9.5
32.0–73.0
(n = 60)

Values are mean ± SD and min–max range.

LVEF = left ventricular ejection fraction.