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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