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Table 3 Impact of patients' preoperative characteristics on the development of post-CABG atrial fibrillation

From: Prognostic factors of atrial fibrillation following elective coronary artery bypass grafting: the impact of quantified intraoperative myocardial ischemia

Characteristic

Group A (AF)

Group B (no AF)

Significance (p)

 

157 patients

191 patients

 

Gender (male vs female)

  

p = 0.359

Male

137

160

 

Female

20

31

 

Age

   

41-55

33

50

NS

56-65

56

80

NS

> 65

68

61

p = 0.029

Diabetes

25

24

NS

History AF

29

19

p = 0.022

History MI

   

Anterior MI

41

48

NS

Posterior MI

18

24

 

COPD

28

16

p = 0.008

OPA

19

29

NS

Unstable angina

12

18

NS

Obesity (BMI > 30)

24

19

NS

Hypertension

72

79

NS

Diseased vessels

   

CAD-1

8

11

NS

CAD-2

26

30

 

CAD-3

123

147

 

LMCAD

16

18

 

E.F

   

0.30-0.40

32

21

p = 0.015

0.40-0.55

25

39

NS

> 0.55

100

131

NS

Mild MR

12

10

NS

L.A dilation (> 40 mm)

11

15

 

Proximal stenosis

   

Proximal LAD

43

38

NS

Proximal LCx

55

59

NS

Proximal RCA

42

32

p = 0.023

Dyslipidemia

85

104

NS

Medical therapy

   

Nitrates

137

159

NS

Î’-Blockers

115

143

 

Ca++- blockers

68

75

 

Anti-platelets

131

153

 
  1. AF: atrial fibrillation, MI: myocardial infarction, COPD: chronic obstructive pulmonary disease, OPA: obstructive peripheral arteriopathy, BMI: body mass index, CAD: coronary artery disease, E.F: ejection fraction, MR: mitral regurgitation, L.A: left atrium, LAD: left anterior descending artery, LCx: circumflex artery, RCA: right coronary artery. NS: not statistically significant (p > 0.05)