Trans Abdominal Plane Block (TAP Block) in Surgery of Stoma Reversal and Its Effect on Post Operative Recovery: a Prospective, Randomized, Muticenter Study

The patient will arrive in the department the day before the surgical intervention (D-1). During this preoperative visit (D-1), the investigator * will preselect potentially eligible patients * will offer to participate to this study * will give the notice form to the patients * will present the research: objectives, benefits and constraints for the patients The intervention day (D0): The investigator will collect the signed consent form after having ascertained the understanding of the notice form by the patient and checking the inclusion and non-inclusion criteria. The randomization will be done via the eCRF module (allocation group and number) and the preoperative data registration in the eCRF. Surgical Intervention (D1): All patients will receive standard anaesthesia using sufentanyl, propopol, cisatracurium and sevoflurane. Prevention of nausea and vomiting is performing using Apfel score. Anti microbial prophylaxis is performed according recommendations. All patients will receive post operative multimodal analgesia using, acetaminophene, ketaminophene (if no contra indication), nefopam, and morphine if NRS (numerating rating scale) \> 3 At the end of the surgery, patients in the experimental group will receive a ultrasound guided trans abdominal plane block with 20 ml of 5 mg/mg of ropivacaine. Patients in the control group will not receive the block