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Background: This study aimed to determine the median effective analgesic concentration of 10mL ropivacaine in interscalene brachial plexus block for postoperative anesthesia in 50% of the patients (EC50). Method: This study was conducted on 30 patients with ASA grade I or II, who are planning to undergo proximal humerus fracture operation.
Yang Liu +6 more
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Yang Liu +6 more
openaire +1 more source
Objectives:The median effective concentration of ropivacaine in interscalene brachial plexus block for postoperative analgesia after arthroscopic rotator cuff repair(ARCR) has not been determined. Design: this is a prospective double blinded study. Method: This study was conducted on 40 patients with ASA grade I or II who had selective ARCR.
Cheng Xu +5 more
openaire +1 more source
Cheng Xu +5 more
openaire +1 more source

