A randomized trial in The Journal of Bone and Joint Surgery pits two pain management techniques against each other. On one side is interscalene block (ISB) and on the other is surgeon-performed shoulder field anesthesia (SFA).
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Gives the Interscalene Block Some Competition

interscalene blockshoulder field anesthesiaarthroscopic shoulder surgeryregional anesthesiaphrenic nervehemidiaphragmatic paralysisrandomized noninferiority trial
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