We report an unusual case of highly suspected malignant hyperthermia after inducing anesthesia in a brain-dead 18-year-old male patient undergoing organ procurement surgery. The patient was administered desflurane (3 vol%) and rocuronium bromide (50 mg) to induce and maintain general anesthesia. He experienced hypercapnia and tachycardia within 5 minutes of anesthesia induction; however, his body temperature rapidly rose only after 15 minutes. The volatile anesthetic was discontinued, and dantrolene was administered at a low dose (1 mg/kg) to avert possible hepatotoxic effects on the donor liver. Fortunately, the clinical course of the brain-dead donor until the organs were harvested and the liver transplantation outcome of the recipient was favorable. A comprehensive understanding of the pathophysiology of brain death, organ transplantation, and malignant hyperthermia is essential to respond promptly and appropriately. Based on our experience, low-dose dantrolene may be clinically used in brain-dead donors while accounting for its potential hepatotoxic effects.
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