Feasibility of ultrasound-guided posterior approach for interscalene catheter placement during arthroscopic shoulder surgery
BackgroundContinuous interscalene block has been known to improve postoperative analgesia after arthroscopic shoulder surgery.This was a prospective study investigating the ultrasound-guided posterior approach for placement of an interscalene catheter, clinical efficacy and complications after placement of the catheter.MethodsForty-two patients und