In a population of patients undergoing hemorrhoidal surgery under general anesthesia and divided into two equal groups based on the method used for intraoperative pudendal nerve block and its branches in the ischioanal fossa:
Group 1: Pudendal block guided by neurostimulation Group 2: Pudendal block guided by ultrasound
The primary objective of this study is to compare the maximum immediate postoperative pain score between the two groups (pain reported by the patients in the recovery room on a simple numeric scale before morphine titration).
Adult male or female patient
Patient who has signed informed consent to participate in the study
Patient scheduled for outpatient hemorrhoidal surgery under general anesthesia
History of hemorrhoidal surgery
Allergy or contraindication to any of the medications used in the study
Patient undergoing surgery under spinal anesthesia
History of chronic pain requiring opioid use, unrelated to hemorrhoids