TABLE 1.
Procedural characteristics stratified by aortic root procedure
| Characteristic | Valve preservation (n = 261)
|
Composite graft
|
Allograft (n = 243)
|
P value | |||||
|---|---|---|---|---|---|---|---|---|---|
| Biologic (n = 297)
|
Mechanical (n = 156)
|
||||||||
| n* | No. (%) or mean ± SD | n* | No. (%) or mean ± SD | n* | No. (%) or mean ± SD | n* | No. (%) or mean ± SD | ||
| Approach | |||||||||
| Full sternotomy | 181 | 174 (96) | 178 | 159 (89) | 113 | 105 (93) | 174 | 135 (78) | <.0001 |
| Partial upper J-incision | 181 | 5 (2.8) | 178 | 18 (10) | 113 | 8 (7.1) | 174 | 36 (21) | <.0001 |
| Partial converted to full sternotomy | 181 | 2 (1.1) | 178 | 1 (0.56) | 113 | 0 (0) | 174 | 3 (1.7) | .5 |
| Support | |||||||||
| Circulatory arrest | 261 | 41 (16) | 297 | 89 (30) | 156 | 42 (27) | 243 | 62 (26) | .001 |
| Circulatory arrest time (min) | 41 | 17 ± 9.8 | 89 | 16 ± 8.6 | 42 | 14 ± 5.0 | 62 | 16 ± 6.4 | .2 |
| Aortic clamp time (min) | 261 | 109 ± 28 | 297 | 99 ± 34 | 156 | 95 ± 33 | 243 | 98 ± 31 | <.0001 |
| CPB time (min) | 261 | 134 ± 37 | 297 | 123 ± 45 | 156 | 120 ± 43 | 243 | 120 ± 41 | <.0001 |
| Concomitant procedures | |||||||||
| Mitral valve surgery | 261 | 19 (7.3) | 297 | 20 (6.7) | 156 | 11 (7.1) | 243 | 12 (4.9) | .7 |
| Repair | 261 | 19 (7.3) | 297 | 16 (5.4) | 156 | 6 (3.8) | 243 | 10 (4.1) | .3 |
| Replacement | 261 | 0 (0) | 297 | 4 (1.3) | 156 | 5 (3.2) | 243 | 2 (0.82) | .03 |
| Tricuspid valve repair | 261 | 2 (0.77) | 297 | 7 (2.4) | 156 | 1 (0.64) | 243 | 2 (0.82) | .2 |
| Coronary artery bypass grafting | 261 | 23 (8.8) | 297 | 99 (33) | 156 | 22 (14) | 243 | 41 (17) | <.0001 |
| Atrial fibrillation procedure | 261 | 7 (2.7) | 297 | 23 (7.7) | 156 | 3 (1.9) | 243 | 10 (4.1) | .008 |
SD, Standard deviation; CPB, cardiopulmonary bypass.
*
Patients with data available.