Evaluation of effect of intravenous Magnesium Sulfate infusion on tourniquet induced hypertension and pain in arthroscopic knee surgery patients under epidural anesthesia

In patients undergoing arthroscopic knee surgery under epidural anesthesia, IV magnesium sulfate in a dose of 30 mg/kg, followed by 10 mg/kg/h infused before tourniquet inflation could reduce TIH, and tourniquet pain with reduction in intraoperative IV fentanyl and postoperative pethidine requirements.