Table 2.
Comparison of the demographics of patients between the survivor and nonsurvivor groups.
| Demographic characteristics | Survivor (n = 16) | Nonsurvivor (n = 13) | p 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 |
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.