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Table 3 Summary of the clinical characteristics of IC patients undergoing emergency open colectomy due to aorta surgery-related IC (AS-IC group) vs. other etiologies (Other-IC group)

From: Predictors of mortality following emergency open colectomy for ischemic colitis: a single-center experience

Variables AS-IC group (n = 34) Other-IC group (n = 60) p value
Gender (F/M) [n] 9/25 23/37 0.267
Age, years [mean (SD)] 69.74 (10.73) 66.13 (15.05) 0.223
Age > 75 years [n (%)] 14 (41.2) 20 (33.3) 0.506
BMI (kg/m2) [mean (SD)] 22.8 (4.92) 23.46 (5.05) 0.634
BMI > 30 (kg/m2) [n (%)] 4 (11.8) 7 (11.7) 1
Preoperative leukocytes (109/L) [mean (SD)] 11.94 (8.18) 15.90 (10.22) 0.062
Preoperative hemoglobin (g/L) [mean (SD)] 9.81 (2.25) 10.64 (2.93) 0.162
Preoperative creatinine (mg/dL) [mean (SD)] 182.29 (109.72) 201.78 (155.62) 0.583
Preoperative lactates (mg/dL) [mean (SD)] 5.57 (4.19) 5.31 (4.42) 0.796
Preoperative pH [mean (SD)] 7.27 (0.16) 7.25 (0.15) 0.524
Protrombin ratio (% of normal) [mean (SD)] 73 (15.36) 71.59 (10.58) 0.520
Diabetes [n (%)] 6 (17.6) 10 (16.7) 1
Severe coronary disease [n (%)] 26 (76.5) 44 (73.3) 0.809
Previous TIA/stroke [n (%)] 1 (2.9) 7 (11.7) 0.251
Hypertension [n (%)] 29 (85.3) 37 (61.7) 0.019
COPD [n (%)] 10 (29.4) 10 (16.7) 0.191
Smoking [n (%)] 15 (44.1) 15 (25) 0.068
Kidney failure [n (%)] 9 (26.5) 15 (25) 1
Previous carotid surgery [n (%)] 1 (2.9) 5 (8.3) 0.413
Previous aortic stenting [n (%)] 8 (23.5) 6 (10) 0.129
Previous legs vascular surgery [n (%)] 4 (11.8) 8 (13.3) 1
Previous colectomy [n (%)] 1 (2.9) 1 (1.7) 1
Comorbidity > 1 [n (%)] 16 (47.1) 26 (43.3) 0.830
Cardioasa therapy [n (%)] 5 (14.7) 14 (23.3) 0.426
Oral anticoagulant therapy [n (%)] 11 (32.4) 13 (21.7) 0.326
Charlson Index [mean (SD)] 5.47 (2.29) 5.37 (2.91) 0.867
ASA score [n (%)]    0.129
II 1 (2.9) 9 (15)  
III 21 (61.8) 37 (61.7)  
IV 12 (35.3) 14 (23.3)  
Time interval from signs/symptoms onset to surgery [n (%)]    0.467
< = 12 h 9 (26.5) 14 (23.3)  
> 12 h 25 (73.5) 46 (76.7)  
Location of ischemia [n (%)]    0.015
Left colon 9 (26.4) 10 (16.6)  
Right colon 4 (11.8) 0 (0)  
Transverse 3 (8.8) 3 (5)  
Right and transverse 2 (5.9) 13 (21.7)  
Entire colon 16 (47.1) 34 (56.7)  
Presence of colic perforation [n (%)] 6 (17.6) 14 (23.3) 0.426
Type of colonic resection [n (%)]    0.020
Hartman’s resection 9 (26.5) 10 (16.7)  
Subtotal colectomy with ileo-sigmoid colostomy 5 (14.7) 16 (26.7)  
Total colectomy with terminal ileostomy 16 (47.1) 34 (56.6)  
Right colectomy with ileo-colonostomy 4 (11.7) 0  
Open abdomen needed [n (%)] 4 (11.8) 0 0.015
Preoperative vasopressor agents [n (%)] 19 (55.9) 41 (68.3) 0.267
Intraoperative vasopressor agents [n (%)] 27 (79.4) 47 (78.3) 0.815
  1. AS aortic surgery, ASA American Society of Anesthesiologist classification, BMI body mass index, COPD chronic obstructive pulmonary disease, IC ischemic colitis, TIA transient ischemic attack