J Clin Med Res

Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access

Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc

Journal website http://www.jocmr.org

Original Article

Volume 4, Number 4, August 2012, pages 267-273

Coronary Artery Bypass Grafting: 30-Day Operative Morbidity Analysis in 1046 Patients

**Table 1.** The Rates of the 30-Day Complications After Coronary Artery Bypass Grafting in 1046 Jordanian Patients According to Demographic, Clinical, and Surgery Characteristics
Patients characteristics	Renal failure n (%)	Pneumonia n (%)	Sternal wound infectionn (%)
*Significant (P < 0.05)
Age (year)
≤ 55	12 (3.8)	12 (3.8)	24 (7.5)
56 - 65	26 (5.1)	14 (3.3)	38 (9.0)
> 65	24 (7.9)	12 (4.0)	27 (8.9)
Sex
Female	20 (7.9)	20 (7.9)*	27 (10.7)
Male	42 (5.3)	18 (2.3)	62 (7.8)
Myocardial infarction
Yes	19 (11.9)*	4 (2.5)	9 (5.7)
No	43 (4.8)	34 (3.8)	80 (9.0)
Peripheral vascular disease
Yes	25 (13.2)*	8 (4.2)	12 (6.3)
No	37 (4.3)	30 (3.5)	77 (9.0)
Smoking
Yes	35 (6.2)	17 (3.0)	37 (6.5)
No	27 (5.6)	21 (4.4)	52 (10.9)
Chronic obstructive pulmonary disease
Yes	17 (10.3)*	10 (6.1)	12 (7.3)
No	45 (5.1)	28 (3.2)	77 (8.8)
Hypertension
Yes	45 (6.5)	30 (4.4)	57 (8.3)
No	17 (4.8)	8 (2.2)	23 (9.0)
Diabetes
Yes	36 (6.5)	29 (5.3)*	61 (11.1)*
No	26 (5.3)	9 (1.8)	28 (5.7)
Renal impairment
Yes	14 (29.2)*	0 (0)	2 (4.2)
No	48 (4.8)	38 (3.8)	87 (8.7)
Ejection fraction
≥ 50	36 (5.8)	22 (3.5)	47 (7.6)
36 - 49	14 (5.0)	12 (4.3)	31 (11.2)
≤ 35	18 (12.2)	18 (12.2)	11 (7.4)
Emergency
Yes	18 (14.6)*	11 (8.9)*	14 (11.4)
No	44 (4.8)	27 (2.9)	75 (8.1)
Pump time (minutes)
≥ 120	6 (3.8)	5 (3.2)	8 (5.1)
< 120	56 (6.3)	33 (3.7)	81 (9.1)
Aorta clamp (minutes)
≥ 90	2 (3.3)	0 (0)	0 (0.0)
< 90	60 (6.1)	38(3.9)	89 (9.1)
Blood transfusion
Yes	54 (8.9)*	36 (5.9)*	67 (11.0)*
No	8 (1.8)	2 (0.5)	22 (5.1)
Inotropic support
Yes	14 (20)*	16 (22.9)*	13 (18.6)*
No	48 (4.9)	22 (2.3)	76 (7.8)
Ventilation > 12 hours
Yes	34 (15.5)*	24 (10.9)*	21 (9.5)
No	28 (3.4)	14 (1.7)	68 (8.3)
Number of grafted coronaries
1	1 (4.5)	1 (4.5)	3 (7.5)
2	14 (6.1)	6 (2.6)	20 (8.7)
3	46 (5.8)	46 (4.9)	66 (8.5)

Table 1. The Rates of the 30-Day Complications After Coronary Artery Bypass Grafting in 1046 Jordanian Patients According to Demographic, Clinical, and Surgery Characteristics

Patients characteristics

Renal failure
n (%)

Pneumonia
n (%)

Sternal wound infectionn
(%)

*Significant (P < 0.05)

Age (year)

≤ 55

12 (3.8)

24 (7.5)

56 - 65

26 (5.1)

14 (3.3)

38 (9.0)

> 65

24 (7.9)

12 (4.0)

27 (8.9)

Sex

Female

20 (7.9)

20 (7.9)*

27 (10.7)

Male

42 (5.3)

18 (2.3)

62 (7.8)

Myocardial infarction

Yes

19 (11.9)*

4 (2.5)

9 (5.7)

43 (4.8)

34 (3.8)

80 (9.0)

Peripheral vascular disease

Yes

25 (13.2)*

8 (4.2)

12 (6.3)

37 (4.3)

30 (3.5)

77 (9.0)

Smoking

Yes

35 (6.2)

17 (3.0)

37 (6.5)

27 (5.6)

21 (4.4)

52 (10.9)

Chronic obstructive pulmonary disease

Yes

17 (10.3)*

10 (6.1)

12 (7.3)

45 (5.1)

28 (3.2)

77 (8.8)

Hypertension

Yes

45 (6.5)

30 (4.4)

57 (8.3)

17 (4.8)

8 (2.2)

23 (9.0)

Diabetes

Yes

36 (6.5)

29 (5.3)*

61 (11.1)*

26 (5.3)

9 (1.8)

28 (5.7)

Renal impairment

Yes

14 (29.2)*

0 (0)

2 (4.2)

48 (4.8)

38 (3.8)

87 (8.7)

Ejection fraction

≥ 50

36 (5.8)

22 (3.5)

47 (7.6)

36 - 49

14 (5.0)

12 (4.3)

31 (11.2)

≤ 35

18 (12.2)

11 (7.4)

Emergency

Yes

18 (14.6)*

11 (8.9)*

14 (11.4)

44 (4.8)

27 (2.9)

75 (8.1)

Pump time (minutes)

≥ 120

6 (3.8)

5 (3.2)

8 (5.1)

< 120

56 (6.3)

33 (3.7)

81 (9.1)

Aorta clamp (minutes)

≥ 90

2 (3.3)

0 (0)

0 (0.0)

< 90

60 (6.1)

38(3.9)

89 (9.1)

Blood transfusion

Yes

54 (8.9)*

36 (5.9)*

67 (11.0)*

8 (1.8)

2 (0.5)

22 (5.1)

Inotropic support

Yes

14 (20)*

16 (22.9)*

13 (18.6)*

48 (4.9)

22 (2.3)

76 (7.8)

Ventilation > 12 hours

Yes

34 (15.5)*

24 (10.9)*

21 (9.5)

28 (3.4)

14 (1.7)

68 (8.3)

Number of grafted coronaries

1 (4.5)

3 (7.5)

14 (6.1)

6 (2.6)

20 (8.7)

46 (5.8)

46 (4.9)

66 (8.5)

**Table 2.** The Multivariate Analysis of Factors Associated With the 30-Day Complications After Coronary Artery Bypass Grafting in 1046 Jordanian Patients
Variable	Renal failure	Pneumonia	Sternal wound infection
Age (year)
≤ 55	1.0
56 - 65	1.7 (0.8, 3.3)	0.157
> 65	2.2 (1.1, 4.5)	0.030
Gender (female vs. male)			4.1 (2.0, 8.3)	< 0.005
Diabetes mellitus			2.4 (1.1, 5.3)	0.024	1.8 (1.1, 2.9)	0.014
Chronic obstructive pulmonary disease			2.8 (1.3, 6.4)	0.012
Peripheral vascular disease	2.3 (1.3, 4.2)	0.005
Renal impairment	6.1 (2.9, 13.1)	< 0.005
Emergency surgery	2.0 (1.0, 3.8)	0.043	2.8 (1.3, 6.0)	0.007
Blood transfusion	3.5 (1.6, 7.9)	0.002	11.3 (2.6, 48.2)	0.001	2.1 (1.3, 3.4)	0.004
Ventilation ≥ 12 hours	3.2 (1.8, 5.8)	< 0.005	3.0 (1.4, 6.4)	0.005
Prolonged inotropic support	2.3 (1.1, 4.9)	0.035	7.3 (3.3, 16.1)	< 0.005	2.3 (1.2, 4.4)	0.013

Table 2. The Multivariate Analysis of Factors Associated With the 30-Day Complications After Coronary Artery Bypass Grafting in 1046 Jordanian Patients

Variable

Renal failure

Pneumonia

Sternal wound infection

OR (95% CI)

P-value

OR (95% CI)

P-value

OR (95% CI)

P-value

Age (year)

≤ 55

1.0

56 - 65

1.7 (0.8, 3.3)

0.157

> 65

2.2 (1.1, 4.5)

0.030

Gender (female vs. male)

4.1 (2.0, 8.3)

< 0.005

Diabetes mellitus

2.4 (1.1, 5.3)

0.024

1.8 (1.1, 2.9)

0.014

Chronic obstructive pulmonary disease

2.8 (1.3, 6.4)

0.012

Peripheral vascular disease

2.3 (1.3, 4.2)

0.005

Renal impairment

6.1 (2.9, 13.1)

< 0.005

Emergency surgery

2.0 (1.0, 3.8)

0.043

2.8 (1.3, 6.0)

0.007

Blood transfusion

3.5 (1.6, 7.9)

0.002

11.3 (2.6, 48.2)

0.001

2.1 (1.3, 3.4)

0.004

Ventilation ≥ 12 hours

3.2 (1.8, 5.8)

< 0.005

3.0 (1.4, 6.4)

0.005

Prolonged inotropic support

2.3 (1.1, 4.9)

0.035

7.3 (3.3, 16.1)

< 0.005

2.3 (1.2, 4.4)

0.013