• N Pollock, E Langton, N McDonnell, J Tiemessen, and K Stowell.
• Palmerston North Hospital, Palmerston North, New Zealand.
• Anaesth Intensive Care. 2006 Feb 1;34(1):40-5.

AbstractPatients who are malignant hyperthermia susceptible are often admitted overnight for observation, even after minor surgery. They may be declined care in a stand-alone day stay unit. This prospective audit set out to investigate whether patients susceptible to malignant hyperthermia can be safely treated as day stay patients. The audit was conducted for four years from late 2000. All patients who were known to be susceptible to malignant hyperthermia, and their untested relatives, who received day stay anaesthesia were included in the audit. Malignant hyperthermia status, age, duration of anaesthesia, anaesthetic technique, type of procedure, intraoperative and postanaesthesia care unit observations and complications were recorded. All patients received a trigger-free anaesthetic technique. Detailed postanaesthesia care unit monitoring was undertaken and patients were observed for two and a half hours postoperatively. Seventy-two patients were included in the audit. General anaesthesia was administered to 85% and regional to 15%. Only minor complications arose in the postoperative period, and none suggested a malignant hyperthermia reaction. Postanaesthesia care unit nursing staff contacted 49 (68%) of the patients the following day, and there was no evidence of malignant hyperthermia reactions. This audit suggests that malignant hyperthermia susceptible patients can be safely managed as day stay patients in appropriate facilities, with appropriate postoperative care.

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