Table 3 Univariate Analysis of Intraoperative Characteristics and PAIS
No stroke (n = 376) | Stroke (n = 24) | P-value | |
|---|---|---|---|
Emergent surgery (%) | 0.350 | ||
No | 360 (95.7) | 22 (91.7) | |
Yes | 16 (4.3) | 2 (8.3) | |
Surgery type (%) | 0.084 | ||
Non-vascular surgery | 330 (87.8) | 17 (70.8) | |
Peripheral vascular surgery | 1 (0.3) | 0 | |
CEA | 45 (11.9) | 7 (29.2) | |
General anesthesia (%) | 0.014 | ||
No | 76 (20.2) | 0 | |
Yes | 300 (79.8) | 24 (100.0) | |
Length of surgery, min | 87.0 (59.5-144.3) | 283.0 (88.0-305.0) | 0.002 |
Length of anesthesia, min | 161.0 (111.8-205.5) | 329.00 (176.0-375.0) | 0.002 |
Intraoperative transfusion (%) | 0.363 | ||
No | 265 (70.5) | 19 (79.2) | |
Yes | 111 (29.5) | 5 (20.8) | |
Intraoperative negative volume load (%) | 0.453 | ||
No | 344 (91.5) | 23 (95.8) | |
Yes | 32 (8.5) | 1 (4.2) | |
Blood loss, mL | 50.0 (20.0-150.0) | 100.0 (45.0-200.0) | 0.096 |
Intraoperative BP variation (%) | 0.462 | ||
< 10% of baseline | 102 (27.1) | 4 (16.7) | |
10%-20% of baseline | 139 (37.0) | 9 (37.5) | |
≥ 20% of baseline | 135 (35.9) | 11 (45.8) | |
Intraoperative rScO2 monitoring (%) | 1.000 | ||
No | 329 (87.5) | 21 (87.5) | |
Yes | 47 (12.5) | 3 (12.5) | |
Intraoperative BIS monitoring (%) | 0.012 | ||
No | 79 (21.01) | 0 | |
Yes | 297 (78.99) | 24 (100.0) | |
Intraoperative use of ulinastatin (%) | 0.050 | ||
No | 282 (75.0) | 15 (62.5) | |
Yes | 94 (25.0) | 9 (37.5) | |
Intraoperative use of tranexamic acid (%) | 0.873 | ||
No | 341 (90.7) | 22 (91.7) | |
Yes | 35 (9.3) | 2 (8.3) | |
Intraoperative use of hemocoagulase (%) | 0.429 | ||
No | 343 (91.2) | 23 (95.8) | |
Yes | 33 (8.8) | 1 (4.2) |