Table 2 Comparison of risk factor variables between CS and non-CS groups.
Risk factor variables | CS group (n=5) | Non-CS group (n=17) | P-value |
---|---|---|---|
Mean ischemic time (min) | 2,454 | 2,718 | 0.902 |
Mean age of patients (years±SD) | 67.4±12 | 65.7±12 | 0.798 |
Previous history of acute limb ischemia (%) | 0 (0) | 4 (24) | 0.251 |
Peripheral arterial disease (%) | 2 (40) | 5 (29) | 0.673 |
Hypotension (%) | 1 (20) | 0 (0) | 0.063 |
Inadequate backflow intraoperatively (%) | 4 (80) | 2 (12) | 0.001 |
Positive fluid balance in 48 h (mL) | 4,324 | 1,223 | 0.002 |
Rutherford classification | |||
Category I: viable (%) | 0 (0) | 7 (41) | 0.090 |
Category IIA: marginally threatened (%) | 0 (0) | 7 (41) | 0.090 |
Category IIB: immediately threatened (%) | 5 (100) | 3 (18) | <0.001 |
Level of occlusion | |||
Aorta-iliac arteries | 3 | 8 | 0.631 |
Femoral-popliteal arteries | 3 | 11 | 0.856 |
Mean number of vessels occluded | 1.4±0.5 | 1.5±0.5 | 0.631 |
Etiology of acute arterial occlusion | |||
Emboli (%) | 3 (60) | 13 (76) | 0.491 |
Thrombosis (%) | 2 (40) | 4 (24) | 0.491 |
Creatine kinase (CK) | |||
Mean CK (U/L) | 20,683 | 911 | <0.001 |
CK up to 4,000 U/L | 1 (20) | 16 (94) | <0.001 |
CK >4,000 U/L | 4 (80) | 1 (6) | <0.001 |
Occupation | |||
Labor (gardener, farmer) (%) | 2 (60) | 11 (65) | 0.347 |
Non-labor (%) | 3 (40) | 6 (35) | 0.347 |
Revascularization | |||
Embolectomy (%) | 3 (60) | 13 (76) | 0.491 |
Vascular bypass (%) | 2 (40) | 4 (24) | 0.491 |
SD: standard deviation; CS: compartment syndrome