Table 2.
Operation‐Related Complications and Outcomes of Type A and Type B Aortic Dissection Surgery in the Octogenarians and Nonoctogenarians
| Variables | Type A | Type B | ||||
|---|---|---|---|---|---|---|
|
Age ≥80 y (n=206) |
Age <80 y (n=3217) |
OR/B for Age ≥80 y (95% CI)* |
Age ≥80 y (n=79) |
Age <80 y (n=496) |
OR/B for Age ≥80 y (95% CI)* |
|
| Categorical parameter | ||||||
| Cardiogenic shock and need MCS | 22 (10.7) | 254 (7.9) | 1.53 (0.95 to 2.47) | 1 (1.3) | 22 (4.4) | 0.36 (0.05 to 2.82) |
| Respiratory failure | 60 (29.1) | 553 (17.2) | 1.92 (1.39 to 2.65)† | 7 (8.9) | 68 (13.7) | 0.64 (0.27 to 1.47) |
| New onset stroke | 16 (7.8) | 376 (11.7) | 0.63 (0.37 to 1.07) | 4 (5.1) | 29 (5.8) | 1.06 (0.35 to 3.22) |
| New onset ischemic stroke | 15 (7.3) | 355 (11.0) | 0.63 (0.36 to 1.08) | 4 (5.1) | 27 (5.4) | 1.22 (0.40 to 3.74) |
| New onset hemorrhagic stroke | 1 (0.5) | 33 (1.0) | 0.47 (0.06 to 3.52) | 0 (0.0) | 5 (1.0) | NA |
| Reexploration for bleeding | 14 (6.8) | 248 (7.7) | 0.89 (0.51 to 1.57) | 1 (1.3) | 18 (3.6) | 0.40 (0.05 to 3.24) |
| De novo dialysis | 40 (19.4) | 484 (15.0) | 1.54 (1.07 to 2.22)† | 5 (6.3) | 62 (12.5) | 0.66 (0.25 to 1.75) |
| Sepsis | 20 (9.7) | 184 (5.7) | 1.82 (1.11 to 2.98)† | 0 (0.0) | 32 (6.5) | NA |
| Deep wound infection | 11 (5.3) | 119 (3.7) | 1.58 (0.83 to 3.03) | 0 (0.0) | 16 (3.2) | NA |
| In hospital mortality | 70 (34.0) | 649 (20.2) | 2.20 (1.61 to 3.01)† | 5 (6.3) | 78 (15.7) | 0.56 (0.21 to 1.47) |
| Continuous parameter | ||||||
| ICU duration, d | 12.9±14.9 | 10.1±12.2 | 2.75 (0.99 to 4.51)† | 6.6±12.3 | 8.9±12.5 | −0.85 (−3.81 to 2.10) |
| In hospital stay | 27.9±27.7 | 23.8±23.4 | 3.93 (0.57 to 7.29)† | 22.6±23.4 | 26.2±27.9 | −1.81 (−8.32 to 4.69) |
| In hospital cost (NTD×104) | 64.0±37.2 | 61.6±41.5 | 4.15 (−1.32 to 9.62) | 62.7±47.5 | 69.2±43.2 | −4.73 (−14.62 to 5.15) |
B indicates regression coefficient; ICU, intensive care unit; MCS, mechanical circulatory support system; NA, not applicable; NTD, New Taiwan dollar; and OR, odds ratio.
*
Adjusted with sex, hospital volume of type A aortic dissection surgery, surgery year, and surgery details.
†
P<0.05.