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First received: December 16, 2025

Clinical Trial: Interscalene Block Versus Serratus Posterior Superior Intercostal Plane Block for Arthroscopic Shoulder Surgery

Study Status: COMPLETED

Recruit Status: COMPLETED

Condition: Shoulder Pain

Study Type: INTERVENTIONAL


Official Title: Comparison of the Effectiveness of Interscalene Nerve Block and Serratus Posterior Superior Intercostal Plane Block in Patients Undergoing Arthroscopic Shoulder Surgery

Brief Summary: This randomized controlled trial aims to compare the effectiveness of interscalene (ISB) and serratus posterior superior intercostal plane block (SPSIP) for postoperative analgesia in patients undergoing elective arthroscopic shoulder surgery.The primary outcome is total 24-hour opioid consumption.Secondary outcomes include pain scores, hemidiaphragmatic paresis incidence and severity, duration of analgesia, and changes in lung function.Participants are randomized into ISB or SPSIP groups; blocks are performed…

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