Importance of volume and concentration for ropivacaine interscalene block in preventing recovery room pain and minimizing motor block after shoulder surgery.
Anesthesiology 112(6):1374-81 (2010) PMID 20460999
This three-staged study estimated the volume and concentration of interscalene ropivacaine that would prevent recovery room pain after shoulder surgery under general anesthesia.
DOI: 10.1097/ALN.0b013e3181d6929d
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