Interscalene Brachial Plexus Block Versus Serratus Posterior Superior Intercostal Plane Block for Arthroscopic Shoulder Surgery

Condition(s) studied

Investigational drug(s) / intervention(s)

Interscalene Brachial Plexus Block: Ultrasound-guided interscalene brachial plexus block performed before induction of general anesthesia for postoperative analgesia in arthroscopic shoulder surgery.

Serratus Posterior Superior Intercostal Plane Block: Ultrasound-guided serratus posterior superior intercostal plane block performed before induction of general anesthesia for postoperative analgesia in arthroscopic shoulder surgery.

Bupivacaine: Bupivacaine administered for ultrasound-guided regional anesthesia block.

Study summary

Arthroscopic shoulder surgery is associated with moderate to severe postoperative pain that may delay recovery and rehabilitation. Interscalene brachial plexus block (ISB) is widely used for postoperative analgesia in shoulder surgery; however, it may be associated with complications such as phrenic nerve paralysis. The serratus posterior superior intercostal plane (SPSIP) block is a recently described fascial plane block that may provide effective analgesia while avoiding some of the limitations of ISB.

This prospective, randomized, double-blind controlled trial aims to compare the analgesic efficacy of ISB and SPSIP block in patients undergoing elective arthroscopic shoulder surgery under general anesthesia. The primary outcome is total postoperative opioid consumption during the first 24 hours after surgery. Secondary outcomes include postoperative pain scores, quality of recovery, time to first rescue analgesia, rescue analgesic requirements, intraoperative opioid consumption, sensory block distribution, motor block characteristics, and block-related complications.

Eligibility

Primary outcome measure(s)

• Total Opioid Consumption During the First 24 Postoperative Hours — 24 hours after surgery
  Comparison of total postoperative opioid consumption between the interscalene brachial plexus block group and the serratus posterior superior intercostal plane block group during the first 24 hours after surgery.

Trial sites (1)

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