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December 19, 2025Open Access

Comparison of Interscalene Brachial Plexus, Anterior Suprascapular Nerve, and Costoclavicular Brachial Plexus Blocks in Arthroscopic Shoulder Surgery: A Prospective Observational Study

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Authors

BSBurak Taha SarıoğlanGaziantep Children's HospitalYKYeliz KılıçEskişehir Osmangazi UniversityİEİrem EraslanGaziantep Children's Hospital

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Overview

Prospective observational study finds regional anesthesia techniques similarly affect postoperative pain in shoulder surgery, indicating potential for diaphragm preservation.

Key Points

  • To compare the effectiveness of interscalene brachial plexus, anterior suprascapular nerve, and costoclavicular brachial plexus blocks in reducing diaphragm paralysis and managing postoperative pain in shoulder surgery.
  • Forty-six patients undergoing arthroscopic shoulder surgery were included.
  • Patients received one of three regional anesthesia techniques: interscalene brachial plexus block, anterior suprascapular nerve block, or costoclavicular brachial plexus block.
  • Diaphragmatic excursion was measured using ultrasonography after the block and postoperative pain was assessed with a numerical rating scale.
  • Diaphragm measurements were significantly lower in the interscalene block group compared to the anterior suprascapular and costoclavicular groups.
  • No differences in analgesic use or postoperative pain scores among the groups were found.
  • Significant decreases in diaphragm measurements were observed in interscalene and anterior suprascapular groups compared to initial measurement.

Cite This Study

Sarıoğlan et al. (2025) studied this question.

synapsesocial.com/papers/69449a922f0218eca95085f5https://doi.org/10.20944/preprints202512.1453.v1
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Diaphragm-sparing nerve blocks for shoulder surgery, revisited2019 · 79 citations
  2. 2Ultrasound guided suprascapular and costoclavicular nerve block versus interscalene nerve block for postoperative analgesia in arthroscopic shoulder surgery: A randomized non-inferiority clinical trial2022 · 5 citations
  3. 3Interscalene Block Versus Pericapsular Nerve Block and Superficial Cervical Plexus Block for Arthroscopic Shoulder Surgery2025
  4. 4Pain Relief After Arthroscopic Shoulder Surgery: A Comparison of Intraarticular Analgesia, Suprascapular Nerve Block, and Interscalene Brachial Plexus Block2004 · 268 citations
  5. 5Comparison of the Effectiveness of Interscalene Nerve Block and Serratus Posterior Superior Intercostal Plane Block in Patients Undergoing Arthroscopic Shoulder Surgery2026