| Demographic characteristics | Survivor (n = 16) | Nonsurvivor (n = 13) | value |
| Age, yearsa | 78.0 (72.8–83.8) | 77.0 (76.0–84.5) | 0.779 | Sex | Male, n (%) | 10 (62.5) | 10 (76.9) | 0.336 | Female, n (%) | 6 (37.5) | 3 (23.1) | | Type of AMI | Occlusive mesenteric ischemia, n (%) | 10 (62.5) | 7 (53.8) | 0.638 | Nonocclusive mesenteric ischemia, n (%) | 6 (37.5) | 6 (46.2) | | Duration between CS and AMI, daysa | 1.5 (0.0–47.25) | 1.5 (1.0–37.00) | 0.619 | Operative type | Cardiac surgery, n (%) | 1 (6.3) | 0 (0) | 0.552 | Thoracic aortic, n (%) | 6 (37.5) | 6 (46.2) | 0.638 | Abdominal aortic, n (%) | 6 (37.5) | 5 (38.5) | 0.628 | Peripheral artery, n (%) | 3 (18.8) | 2 (15.4) | 0.604 | Emergency CS | Yes, n (%) | 10 (62.5) | 13 (100.0) | 0.017 | No, n (%) | 6 (37.5) | 0 (0) | | Comorbidities at the index CS | Hypertension, n (%) | 12 (75.0) | 7 (53.8) | 0.212 | Diabetes mellitus, n (%) | 4 (25.0) | 2 (15.4) | 0.435 | Heart failure, n (%) | 4 (25.0) | 3 (23.1) | 0.626 | Peripheral artery disease, n (%) | 3 (18.8) | 1 (7.7) | 0.383 | Renal insufficiency, n (%) | 2 (12.5) | 3 (23.1) | 0.396 | Hemodialysis at the onset of AMI | Yes, n (%) | 2 (12.5) | 8 (61.5) | 0.008 | No, n (%) | 14 (87.5) | 5 (38.5) | | Ventilator at the onset of AMI | Yes, n (%) | 5 (31.3) | 5 (38.5) | 0.493 | No, n (%) | 13 (68.7) | 8 (61.5) | | Laboratory data prior to laparotomy for AMI | White blood cell count,/μLa | 11085 (7908–14113) | 10935 (6093–14898) | 0.846 | Lactate, mmol/La | 15.0 (10.5–63.0) | 11.8 (9.6–84.8) | 0.371 | Creatinine, mg/dLa | 1.27 (0.91–1.94) | 2.23 (1.65–3.09) | 0.004 | AST, IU/La | 33.5 (20.5–85.3) | 74.0 (41.0–273.3) | 0.045 | C-reactive protein, mg/dLa | 8.07 (0.98–16.26) | 9.47 (3.07–16.68) | 0.619 | CT findings at the AMI onset | Ascites, n (%) | 9 (56.3) | 8 (61.5) | 0.774 | Free air, n (%) | 2 (12.5) | 2 (15.4) | 0.617 | Intestinal pneumatosis, n (%) | 5 (31.3) | 2 (15.4) | 0.292 | Hepatic portal vein gas, n (%) | 1 (6.3) | 1 (7.7) | 0.704 | P-POSSUM-predicted mortality ratea | 53.1 (21.5–92.7) | 97.7 (43.8–99.3) | 0.092 | Extent of bowel resection in laparotomy | Small intestine, n (%) | 7 (43.8) | 9 (69.2) | 0.170 | Colorectum, n (%) | 12 (75.0) | 6 (46.2) | 0.114 |
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aMedian (interquartile range). AMI, acute mesenteric ischemia; AST, aspartate aminotransferase; CS, cardiovascular surgery; CT, computed tomography; P-POSSUM, Portsmouth physiological and operative severity score for the enumeration of mortality and morbidity.
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