Table 1.
Baseline characteristics of patients undergoing the Bentall procedure vs valve-sparing aortic root replacement a
| Variable | Bioprosthetic Bentall (n = 36) | Mechanical Bentall (n = 63) | VSRR (n = 71) | P value |
|---|---|---|---|---|
| Age (years) | 63.8 ± 10.4 | 45.5 ± 12.4 | 49.2 ± 12.0 | <0.001 |
| Men | 28 (78%) | 49 (78%) | 58 (82%) | 0.83 |
| BMI (kg/m2) | 26.8 ± 4.1 | 30.3 ± 6.0 | 28.5 ± 4.7 | 0.005 |
| Ejection fraction (%) | 57.5 (45–67.5) | 55 (15–62.5) | 60 (40–75) | 0.003 |
| Bicuspid aortic valve | 12 (33%) | 22 (35%) | 18 (25%) | 0.44 |
| Marfan syndrome | 1 (3%) | 1 (2%) | 9 (13%) | 0.02 |
| Acute aortic dissection | 5 (14%) | 10 (16%) | 0 | <0.001 |
| Aortic insufficiency | 0.22 | |||
| None | 3 (8%) | 12 (19%) | 12 (17%) | |
| Trace/trivial | 1 (3%) | 2 (3%) | 10 (14%) | |
| Mild | 4 (11%) | 9 (14%) | 12 (17%) | |
| Moderate | 10 (28%) | 14 (22%) | 14 (20%) | |
| Severe | 18 (50%) | 26 (41%) | 22 (32%) | |
| Aortic stenosis | 8 (22%) | 12 (19%) | 2 (3%) | 0.001 |
| Aortic root diameter (mm) | 50 (34–70) | 45.8 (25–67) | 51.5 (31–90) | 0.03 |
| Previous Ross | 1 (3%) | 9 (15%) | 7 (10%) | 0.18 |
| Previous CABG | 4 (11%) | 4 (6%) | 1 (1%) | 0.07 |
| Prior AV repair/replacement | 2 (6%) | 17 (27%) | 0 | <0.001 |
AV indicates aortic valve; BMI, body mass index; CABG, coronary artery bypass grafting; VSRR, valve-sparing root replacement.
a
Data are n (%), median (interquartile range), or mean (± 1 standard deviation).