Impact of VARIation of OXYdo-reduction Potential in Cardiac Surgery on Post-operative Outcome

Observational, prospective, monocentric study conducted in the cardiac surgery department about biological markers to predict the short-term outcome of heart surgery patients.

Inclusion Criteria: Patients over 18 years of age Scheduled cardiac surgery patients undergoing bypass surgery with saphenous vein harvesting. Patients able to understand the protocol; Patients able to express non-opposition to participating in the study Patients affiliated to a social security system or equivalent. Exclusion Criteria: Emergency surgery patients. Pregnant or breast-feeding women. Patients deprived of their freedom or under legal protective measures.