Protocol: Comparative efficacy of 2 mL vs. 5 mL 0.375% ropivacaine in subparaneural upper trunk brachial plexus block for postoperative analgesia after arthroscopic shoulder surgery-a randomized noninferiority trial.
Lou; Zhang; Chen; Diao; Sheng; Huang; Yuan; Zhu · 2026 · Frontiers in medicine
WASTE classifies this as Protocol · AI classification, approximate
A protocol that failed or needed troubleshooting — useful to read before you run the same steps.
Abstract (excerpt)
Interscalene brachial plexus block (ISB) is the first-line analgesic technique for arthroscopic shoulder surgery, but it is associated with a > 90% incidence of ipsilateral hemidiaphragmatic paresis (HDP), which severely…
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Metadata source: PubMed · DOI 10.3389/fmed.2026.1865264