Effects of a Single-Dose Interscalene Block on Pain and Stress Biomarkers in Patients Undergoing Arthroscopic Rotator Cuff Repair: A Randomized Controlled Trial

Purpose To compare the effects of a single-dose interscalene block and general anesthesia (SISB/GA) with the effects of GA only in the early postoperative period after arthroscopic rotator cuff repair by evaluating subjective pain visual analog scale scores and objective pain-related stress biomarkers. Methods Patients refractory to conservative treatment of the affected shoulder were enrolled in this prospective, randomized endpoint study....