Low CO Intra Op PRBC in Reop for LOS Afib MI
    Patients Procedures Mortality Stroke Syndrome Transfusion first 24 hrs Bleeding      
El-Essawi M CPB 252 CABG 75% 1 (0.4%) 2 (0.8%)       * 2.4% *10.3  4.8% *14 (16.3%) *4 (1.6%)
Perfusion 2011     AVR±CABG 25%                  
Germany C CPB 248 CABG 76% 3 (1.2%) 2 (0.8%)       * 6.1% *11.8  6.8% *60 (24.2%) *13 (5.2%)
      AVR±CABG 24%                  
Remadi M CPB 200 CABG 1.50%   * 0.66% * 6%          
Am Heart J 2006                        
France C CPB 200 CABG 2.50%   * 4% * 12.8%          
                         
Abdel-Rahman M CPB 101 CABG         245 ± 398        
Ann Thor Surg 2005                        
Multinational C CPB 103 CABG         184 ± 384        
*p<0.05
CO= Cardiac Output
PRBC= Packed Red Blood Cell
MI= Myocardial Infarction
LOS = Length of Stay
Table 1: Comparison of three larger randomized trials with at least 100 patients comparing M-CPB to C-CPB.