Postoperative analgesia for arthroscopic shoulder surgery: comparison between ultrasound-guided interscalene block and combined suprascapular and axillary nerve blocks

Background Arthroscopic shoulder surgery is often associated with severe postoperative pain that is often significant enough to interfere with initial recovery and rehabilitation − the pain that can be difficult to manage without large-dose opioids. Opioids can cause nausea, vomiting, sedation, and/or failure to control pain. Supplementing general anesthesia with a regional nerve block might improve the quality of postoperative pain relief. The...