Intravenous magnesium sulfate for analgesia in spinal surgery: a systematic review and meta-analysis of randomized controlled trials.
STUDY OBJECTIVE To evaluate the effects of perioperative intravenous magnesium sulfate on postoperative pain, opioid consumption, recovery, and adverse events in patients undergoing spinal surgery. DESIGN Systematic review with meta-analysis. SETTING Perioperative setting. PATIENTS Twenty-one randomized controlle...