Group C:Saline

Effects of ultrasound-guided fascia iliaca compartment block with different approaches on postoperative analgesia and immune function in elderly patients undergoing total hip arthroplasty ----a multicenter, large sample, prospective, randomized, double-blind, controlled study

The effect of phenylephrine infusion on the dose requirement of prophylactic oxytocin for the prevetion of postpartum uterine atony in parturients undergoing cesarean delivery.

The flurbiprofen axetil used in postoperative continuous wound algesia in elderly patients with thoracic surgery: a randomized, double-blind, placebo-controlled study

Efficacy of Nalbuphine for Treatment of Post Anesthesia Shivering

The effect of different time of administration ondansetron on the dose requirement of prophylactic phenylephrine for preventing spinal anesthesia induced in cesarean section

Effect of continuous infusion of esmolol or magnesium sulfate during laparoscopic cholecystectomy on postoperative recovery quality

Effects of dexmedetomidine pretreatment and posttreatment on renal function during Living Relative Renal Transplantation

Study on the effects of S-ketamine on the immune microenvironment in perioperative patients

Intravenous ketamine during repeat cesarean section with the puerpera who occured chronic pain after the first cesarean section: A prospective randomized controlled study

Intravenous low dose ketamine compound low dose butorphanol during repeat caesarean section: A prospective randomized controlled trial

The periarticular multimodal drug injection in open elbow arthrolysis