Table 2.
Preoperative echocardiographic characteristics
| Characteristic | Total (n = 59) |
|---|---|
| Left ventricular function (ejection fraction; n, %) | 58/59 a |
| Normal (>50%) | 42 (71.2) |
| Mildly impaired (40%‐49%) | 14 (23.7) |
| Moderately impaired (25%‐39%) | 2 (3.4) |
| Severely impaired (<25%) | ⋯ |
| Aortic stenosis (peak gradient in mm Hg) | 67.6 (56.2‐87.8) |
| Aortic stenosis (mean gradient in mm Hg) | 37.5 (30.8‐42.8) |
| Aortic valve area, cm² | 0.72 (0.69‐0.84) |
| Aortic regurgitation (grades 0‐4) | 1.02 ± 1.00 |
| Mitral regurgitation (grades 0‐4) | 1.33 ± 1.23 |
| Tricuspid regurgitation (grades 0‐4) | 0.86 ± 1.07 |
Note: Data are presented as n (%), mean ± SD, or median (interquartile range).
a
Denominator represents number of patients for whom this information was known.