Comparative Efficacy of Buprenorphine Transdermal Patch Versus Tramadol in Postoperative Analgesia for Shoulder Arthroscopy

"Buprenorphine Transdermal Patch (10 mg): Applied once before surgery for continuous pain control.~Interscalene Brachial Plexus Block: Administered intraoperatively using 25 mL of 0.5% bupivacaine."

"Tramadol: Administered orally or intravenously at a standard dose of 100 mg every 8 hours, based on patient-reported pain levels.~Interscalene Brachial Plexus Block: Administered intraoperatively using 25 mL of 0.5% bupivacaine."