Cases (n = 144) | Controls (n = 280) | p-value | |
---|---|---|---|
Preoperative characteristics | |||
Gender (male) | 93 (64.6 %) | 181 (64.6 %) | 1.00 |
Age (years) | 70 (43–89) | 70 (42–89) | 0.81 |
Parsonnet score | 18.3 (0–49.0) | 16.5 (0–52.5) | 0.28 |
Renal failurea | 22 (15.3 %) | 29 (10.4 %) | 0.16 |
Severe peripheral vascular disease | 13 (9 %) | 17 (6.1 %) | 0.32 |
Cardiogenic shockb | 5 (3.5 %) | 1 (0.4 %) | 0.02 |
Preoperative intra-aortic balloon pump | 16 (11.1 %) | 10 (3.6 %) | 0.004 |
Chronic obstructive pulmonary diseasec | 10 (6.9 %) | 48 (17.1 %) | 0.004 |
Diabetesd | 38 (26.4 %) | 103 (36.8 %) | 0.04 |
Postoperative characteristics | |||
Peak lactate (mmol/L) | 4.6 (3.0–18.0) | 2.1 (0.8–2.9) | <0.0001 |
Peak serum creatinine level (mmol/L) | 127 (66–840) | 100 (39–1013) | <0.0001 |
Intra-aortic balloon pump | 29 (20.1 %) | 14 (5 %) | <0.0001 |
Computed tomography chest /abdomen | 4 (2.8 %) | 0 | 0.01 |
Return to operating room | 22 (15.3 %) | 5 (1.8 %) | <0.0001 |
Cardiogenic shock | 9 (6.3 %) | 2 (0.7 %) | 0.002 |
Post-operative cardiac hemorrhage | 9 (6.3 %) | 4 (1.4 %) | 0.01 |
Acute kidney injury (AKIN 1) | 68 (50.4 %) | 73 (26.8 %) | <0.0001 |
Ischemic bowel | 1 (0.7 %) | 0 | 0.34 |
Length of ICU admission (days) | 3 (1–96) | 1 (1–29) | <0.0001 |
ICU readmission | 12 (8.3 %) | 13 (4.7 %) | 0.13 |
Mechanical ventilation (days) | 0.89 (0.14–75.5) | 0.50 (0.09–11.9) | <0.0001 |
Mortality | 15 (10.4 %) | 4 (1.4 %) | <0.0001 |