Randomized Trialhigh evidence
Transcutaneous auricular vagus nerve stimulation to prevent rebound pain after interscalene block for arthroscopic shoulder surgery.
Regional anesthesia and pain medicine·September 15, 2026·PMID 42744405
Why it mattersRebound pain after interscalene block can undermine the benefits of regional anesthesia and complicate postoperative recovery. A non-pharmacologic, low-risk intervention that reduces its incidence and improves recovery metrics offers a practical adjunct for shoulder arthroscopy patients.
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