Table III.
Postoperative outcomes
| Conversion | Open repair | EVAR | P-value | ||
|---|---|---|---|---|---|
| N=300 | N=7188 | N=24,676 |
Conversion vs. OR |
Conversion vs. EVAR |
|
| 30-day mortality – N (%)α | 30 (10.0) | 299 (4.2) | 415 (1.7) | <.001 | <.001 |
| Creat rise >2 mg/dl – N (%)β | 22 (7.3) | 400 (5.6) | 334 (1.4) | .194 | <.001 |
| Requiring dialysis – N (%) | 18 (6.0) | 253 (3.5) | 215 (0.9) | .024 | <.001 |
| Respiratory complication | 49 (16.3) | 1018 (14.2) | 549 (2.2) | .292 | <.001 |
| Pneumonia – N (%) | 29 (9.7) | 559 (7.8) | 342 (1.4) | .233 | <.001 |
| >48 hour on ventilator | 41 (13.7) | 772 (10.7) | 338 (1.4) | .110 | <.001 |
| Reintubation – N (%) | 22 (7.3) | 500 (7.0) | 384 (1.6) | .801 | <.001 |
| Cardiac complication | 26 (8.7) | 271 (3.8) | 340 (1.4) | <.001 | <.001 |
| Myocardial infarction – N (%) | 15 (5.0) | 156 (2.2) | 232 (0.9) | .001 | <.001 |
| CPR – N (%) | 16 (5.3) | 133 (1.9) | 128 (0.5) | <.001 | <.001 |
| Wound complication | 14 (4.7) | 319 (4.4) | 577 (2.3) | .851 | .008 |
| Wound infection – N (%) | 11 (3.7) | 239 (3.3) | 530 (2.1) | .747 | .072 |
| Wound dehiscence – N (%) | 3 (1.0) | 103 (1.4) | 64 (0.3) | .801 | .047 |
| Return to OR – N (%) | 28 (9.3) | 639 (8.9) | 1114 (4.5) | .792 | <.001 |
| Pulmonary embolism – N (%) | 2 (0.7) | 39 (0.5) | 53 (0.2) | .680 | .141 |
| Stroke – N (%) | 3 (1.0) | 55 (0.8) | 106 (0.4) | .505 | .144 |
| Sepsis – N (%) | 13 (4.3) | 263 (3.7) | 195 (0.8) | .544 | <.001 |
| Septic shock – N (%) | 11 (3.7) | 258 (3.6) | 152 (0.6) | .944 | <.001 |
| Graft failure – N (%) | 3 (1.0) | 39 (0.5) | 132 (0.5) | .236 | .221 |
| ≥1 postoperative transfusion | 127 (42.3) | 2270 (31.6) | 1795 (7.3) | <.001 | <.001 |
| Any complication – N (%)γ | 174 (58.0) | 3375 (47.0) | 3756 (15.2) | <.001 | <.001 |
| Any complication – N (%)δ | 95 (31.7) | 1912 (26.6) | 2485 (10.1) | .052 | <.001 |
| Mean length of stay – days (sd) | 10.7 (11.2) | 9.8 (9.3) | 3.3 (5.4) | .165 | <.001 |
| Median length of stay – days (IQR) | 8 (5–11) | 7 (5–11) | 2 (1–3)` | .371 | <.001 |
Odds ratio conversion vs. open repair: 2.4 (95% CI: 1.6 – 3.6); Odds ratio conversion vs. EVAR: 7.2 (95% CI: 4.8 – 10.9) (adjusted for: age, gender, race, hypertension, insulin dependent diabetes, obstructive pulmonary disease, heart failure, estimated GFR <30 ml/min/1.73m2, preoperative dialysis, and obesity (BMI>30), emergency procedure)
Odds ratio conversion vs. open repair: 1.3 (95% CI: 0.8 – 2.0), Odds ratio conversion vs. EVAR: 5.6 (95% CI: 3.5 – 8.9) (adjusted for: age, gender, race, hypertension, insulin dependent diabetes, obstructive pulmonary disease, heart failure, estimated GFR <30 ml/min/1.73m2, and current smoking, emergency procedure)
Odds ratio conversion vs. open repair: 1.5 (95% CI: 1.2 – 1.9), Odds ratio conversion vs. EVAR: 7.8 (95% CI: 6.1 – 9.9) (adjusted for: age, gender, race, hypertension, insulin dependent diabetes, obstructive pulmonary disease, heart failure, estimated GFR <30 ml/min/1.73m2, preoperative dialysis, obesity (BMI>30), and current smoking, emergency procedure)
incidence of any complication excluding postoperative blood transfusion