Continuous Wound Catheter Analgesia Associated With Intravenous Morphine PCA After Thoracotomy

The group ropivacaine, an initial bolus of 0.75% ropivacaine at a volume of 0.1 ml / kg is first administered to the patient directly on the catheter.

In the placebo group, an initial bolus of saline 9 ‰ to a volume of 0.1 ml / kg will first be administered to the patient directly to the catheter. The patient will then continuous administration of saline 9 ‰ during the first 48 postoperative hours, using a diffuser extensible elastomeric ™ Easypump a volume of 400 mL to 460 mL filled of this solution, a flow rate of 9.53 ml / hour.

The patient will then ongoing administration of ropivacaine 0.2% during the first 48 postoperative hours, using a diffuser extensible elastomeric ™ Easypump a volume of 400 mL to 460 mL filled (B Braun) of this solution, a flow rate of 9.53 ml / hour