Table 1 Preoperative characteristics
Elderly group (n = 31) | Non-elderly group (n = 143) | p value | |
|---|---|---|---|
Age | 83.6 ± 2.8 | 64.0 ± 10.4 | < 0.001 |
Male sex | 10 (32.2) | 74 (51.7) | 0.073 |
Hypertension | 19 (61.2) | 88 (61.5) | 0.979 |
Hemodialysis | 0 | 2 (1.3) | 0.507 |
Coronary artery disease | 0 | 4 (2.7) | 0.346 |
Cerebrovascular disease | 2 (6.4) | 14 (9.7) | 0.559 |
Dissection related status | |||
DeBakey | |||
I | 16 (51.6) | 108 (75.5) | 0.007 |
II | 15 (48.4) | 32 (22.3) | 0.003 |
III | 0 | 3 (2.1) | 0.415 |
Fully thrombosed false lumen | 14 (45.1) | 33 (23.0) | 0.012 |
Preoperative shock | 8 (25.8) | 36 (25.1) | 0.941 |
Tracheal intubation | 2 (6.4) | 15 (10.4) | 0.492 |
Cardiac tamponade | 9 (29.0) | 33 (23.0) | 0.482 |
Pericardial drainage | 8 (25.8) | 20 (13.9) | 0.104 |
Organ malperfusion | 6 (19.3) | 48 (33.5) | 0.121 |
CNS | 6 (19.3) | 37 (25.8) | 0.445 |
Transient | 1 (3.2) | 15 (10.4) | 0.204 |
Persistent | 5 (16.1) | 22 (15.3) | 0.917 |
Japan score | |||
30 days operative mortality | 9.6 ± 6.7 | 10.9 ± 13.7 | 0.296 |