Effect of Perioperative Intravenous Lidocaine Infusion on Postoperative Recovery in Patients Undergoing Arthroscopic Rotator Cuff Repair Under General Anesthesia

"Drug: 1. Lidocaine Intravenous lidocaine bolus of 1.5mg/kg immediately after anesthesia induction followed by infusion at 2.0mg/kg/hr up to 1 hr after end of surgery.~2\. Fentanyl IV infusion via PCA (patient controlled analgesia) machine of fentanyl 10 μg/ml, ramosetron 0.3 mg, normal saline, total 100 ml, infusion rate 1 ml/hr, 1 ml bolus and lockout time 7 min."

"Drug: 1. Normal saline Intravenous normal saline bolus of immediately after anesthesia induction followed by infusion up to 1 hr after end of surgery. Volume of normal saline is equal to lidocaine.~2\. Fentanyl IV infusion via PCA (patient controlled analgesia) machine of fentanyl 10 μg/ml, ramosetron 0.3 mg, normal saline, total 100 ml, infusion rate 1 ml/hr, 1 ml bolus and lockout time 7 min."