 At the screening visit, patients are informed about the study, eligibility criteria are verified and standard laboratory analyses are performed. At the inclusion visit one day before surgical intervention, eligibility criteria are verified, the informed consent is signed, standard laboratory analyses, clinical exam and randomization are performed. At day 0, The CABG is performed and the patients are transferred to ICU where Glucoday is installed. At day 2 48 hours Glucoday is removed. At day 7, a clinical exam is performed. Between CABG and day 30 all events are collected. 