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Table 3 Operative profile (Matched Groups)

From: Del Nido Cardioplegia can be safely administered in high-risk coronary artery bypass grafting surgery after acute myocardial infarction: a propensity matched comparison

  WB DN p
n 40 40  
Intraoperative variables    
Number of grafts 3.2 ± 0.7 3.3 ± 0.6 0.708
Lowest body temperature on CPB (°C) 32.3 ± 1 34.1 ± 2 <0.001
Cardioplegia Delivery (%)    
Antegrade 9 (22.5) 32 (80) <0.001
Antegrade + Retrograde 31 (77.5) 8 (20) <0.001
Repeated Dose (Ante or Retro) 35 (87.5) 7 (17.5) <0.001
Cardioplegia Volume    
Total initial dose (ml) 1062 ± 198 954 ± 235 0.029
Antegrade-initial (ml) 786 ± 295 944 ± 235 0.010
Retrograde-initial (ml) 266 ± 221 11 ± 47 <0.001
Number of additional doses 3.2 ± 2 0.2 ± 0.4 <0.001
Additional dose amount (ml) 926 ± 591 42 ± 97 <0.001
Reinstitute CPB (%) 1 (2.5) 0 (0) 0.314
PRBC transfusion during CPB 1.4 ± 1.5 0.9 ± 1.3 0.113
  1. Values are means ± SD, or counts (%). CPB-cardioplumonary bypass, PRBC-packed red blood cells.