Does Magnesium Sulphate Infusion in the Perioperative Period Reduce the Requirement for Postoperative Opioid Analgesia in Posterior Surgical Correction of AIS

BACKGROUND TO THE STUDY: Postoperative muscle spasm is an important cause of post-operative pain. Magnesium is an effective calcium antagonist and is able to attenuate calcium-induced muscle contraction reducing muscle spasm. This is a retrospective study that explores the use of magnesium sulphate as an analgesic adjunct in patients undergoing scoliosis correction.

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