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 undergoing elective arthroscopic shoul... https://www.bekindtopets.com/flash-offer-Tie-Untitled-by-Helen-Dale-Samson-One-of-Twelve-great-save/