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Table 4 Impact of intra and postoperative parameters on the occurrence 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  
CPB-time    
< 60 min 12 23 NS
60-120 min 101 136 NS
> 120 min 44 32 p = 0.011
M.I.I (ml.m 2 /Kg.min)    
av.MII ante ≥ 0.5 40 64 NS
av.MII ante 0.28 - < 0.49 77 99 NS
av.MII ante ≤ 0.27 40 28 p = 0.011
CABG    
1 graft 11 13 NS
2 grafts 46 56  
3 grafts 96 114  
4 grafts 4 8  
LIMA use 145 167 NS
Positive fluid balance 114 93 p < 0.001
Potassium deficit 118 158 NS
FiO 2 /PO 2    
≤ 40 129 173 NS
> 40 28 18 p = 0.021
Inotropic support    
No 100 135 NS
3-15 μg/kg/min 24 38 NS
> 15 μg/kg/min 33 18 p = 0.016
Perioperative MI 16 3 p < 0.001
ICU-recovery    
≤ 48 hours 109 170 NS
> 48 hours 48 21 p < 0.001
  1. CPB: Cardiopulmonary Bypass, M.I.I: Myocardial Ischemia Index, CABG: Coronary Artery Bypass Grafting, LIMA: left internal thoracic (mammary) artery, FiO2: fraction of delivered O2, PO2: arterial partial pressure of O2, MI: Myocardial Infarction, ICU: Intensive Care Unit, NS: not statistically significant (p > 0.05)