Table 3 Comparison of operative variables.
Variables | Total (n = 882) | Overall cohort | PSM Cohort | ||||
|---|---|---|---|---|---|---|---|
Non-dialysis (n = 866) | Dialysis (n = 16) | P Value | Non-dialysis (n = 16) | Dialysis (n = 16) | P Value | ||
Intro-operative variables | |||||||
CABG (%) | 51 (5.8) | 50 (5.8) | 1 (6.3) | 1.000 | 2 (12.5) | 1 (6.3) | 1.000 |
CPB time (min) | 232.3 ± 67.9 | 232.3 ± 67.6 | 235.8 ± 85.1 | 0.984 | 272.3 ± 95.3 | 235.8 ± 85.1 | 0.291 |
Aortic cross-clamp time (min) | 154.0 (124.0, 194.0) | 154.0 (124.0, 194.0) | 138.0 (106.8, 194.0) | 0.374 | 171.5 ± 60.6 | 156.0 ± 63.9 | 0.366 |
DHCA time (min) | 29.5 ± 12.5 | 29.5 ± 12.5 | 28.2 ± 11.9 | 0.710 | 24.3 ± 12.2 | 28.2 ± 11.9 | 0.335 |
Cannulation | |||||||
Axillary artery (%) | 171 (19.4) | 166 (19.2) | 5 (31.3) | 0.213 | 6 (37.5) | 5 (31.3) | 0.710 |
Femoral artery (%) | 230 (26.1) | 225 (26.0) | 5 (31.3) | 0.578 | 5 (31.3) | 5 (31.3) | 1.000 |
Axillary + femoral artery (%) | 442 (50.1) | 436 (50.3) | 6 (37.5) | 0.309 | 5 (31.3) | 6 (37.5) | 1.000 |
Root procedure | |||||||
Bentall (%) | 202 (22.9) | 201 (23.2) | 1 (6.3) | 0.139 | 6 (37.5) | 1 (6.3) | 0.083 |
Root reconstruction (%) | 641 (72.7) | 626 (72.3) | 15 (93.8) | 0.085 | 10 (62.5) | 15 (93.8) | 0.083 |
Valve sparing root replacement (%) | 35 (4.0) | 35 (4.0) | 0 (0) | 1.000 | 3 (18.8) | 0 (0) | 0.248 |
Distal surgical technique | |||||||
Hemi-arch replacement (%) | 179 (20.3) | 175 (20.2) | 4 (25.0) | 0.546 | 7 (43.8) | 4 (25.0) | 0.264 |
Total arch + frozen elephant trunk (%) | 422 (47.8) | 415 (47.9) | 7 (43.8) | 0.741 | 10 (62.5) | 7 (43.8) | 0.288 |
Arch fenestrated stent graft (%) | 268 (30.4) | 263 (30.4) | 5 (31.3) | 1.000 | 10 (62.5) | 5 (31.3) | 0.288 |