Evaluation of the Effectiveness of the Administration of Local Anesthetics Via Two Catheters Placed During Surgery, and Study of the Benefits on Respiratory Function and Therefore on Recovery Time

After skin closure, cardiac surgeons place multi-perforated catheters aseptically.

opioid analgesia (PCA morphine in bolus mode alone or morphine titration if PCA not available), nefopam, non-steroidal anti-inflammatory drugs, ketamine, pregabalin and paracetamol