Overview The Effect of Remifentanil on Rebound Pain Status: Completed Trial end date: 2021-01-07 Target enrollment: Participant gender: Summary The investigators will evaluate the influence of intraoperative remifentanil infusion on the postoperative hyperalgesia in patients receiving rotator cuff repair after brachial plexus block for postoperative analgesia. Phase: N/A Details Lead Sponsor: Seoul National University HospitalTreatments: Remifentanil