• Jean Paul Remadi, Zava Rakotoarivelo, Paul Marticho, and Amar Benamar.
• Cardiac Surgery Unit, South Hospital, Amiens Cedex 1, France. remadi.jean-paul@chu-amiens.fr
• Am. Heart J. 2006 Jan 1;151(1):198.

BackgroundTo assess the potential benefits of a new concept of cardiopulmonary bypass (CPB), the mini-extracorporeal circulation (MECC) Jostra System, we conducted a prospective randomized study among patients who underwent coronary artery bypass grafting (CABG) with a MECC Jostra System or with a standard CPB.MethodsIn a prospective randomized study, 400 patients underwent elective CABG using a standard CPB (200 patients) or a Jostra MECC System (200 patients). The patients were randomly assigned to have preoperative data similar for both groups.ResultsThe operative mortality rate (< 30 days) was 1.5% for the MECC group and 2.5% for the CPB group (P = NS). Low-cardiac-output syndrome occurred in 0.66% and 4% for the CPB group (P < .001.). The inflammatory response was significantly reduced with the MECC. Likewise, C-reactive protein release was significantly higher in group B at 24 hours (69.6 +/- 38.5 vs 40.8 +/- 21.8 mg/L for the group A, P < .01) and at 48 hours (116.7 +/- 47.0 vs 65.4 +/- 39.5 mg/L, P < .05) postoperatively. In the CPB group, there was a significantly higher decrease of hematocrit and hemoglobin rate. So, the intraoperative transfusion rate amounted to 6% for the MECC group and 12.8% for the CPB group (P < .001). Patients in the CPB group had significantly higher levels of postoperative blood creatinine and urea.ConclusionThe MECC system is a new concept of CPB that seems to be reliable and safe. To perform CABG, the MECC provides an excellent surgical exposure like a standard CPB and a better biologic profile like CABG without CPB.

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