Clinical study of neurostimulation-guided continuous interscalene brachial plexus blocks for postoperative analgesia after shoulder surgery

Objective To observe the clinical efficacy of neurostimulation-guided continuous interscalene brachial plexus blocks for postoperative analgesia after shoulder surgery.Methods Thirty patients undergoing elective shoulder surgery were randomly assigned to either a continuous interscalene brachial plexus block group(A group,n = 15) or patient-controlled intravenous analgesia group(B group,n = 15).In the B group,intravenous PCA was provided with...