• Yumiko Kohno, Keiko Koishi, and Tomoki Nishiyama.
• Masui. 2015 Jun 1;64(6):660-2.

AbstractMalignant hyperthermia occurred 10 hours after surgery in a 72-year-old man who had received emergency laparoscopic cholecystectomy for severe acute cholecystitis with cholelethiasis. He had a high fever (39.4 degrees C) with liver damage before surgery. Anesthesia was induced with propofol and fentanyl and maintained with sevoflurane and epidural block using ropivacaine. Rocuronium was used as a muscle relaxant During surgery, body temperature decreased by cooling the body surface, but tachycardia continued. Ten hours after surgery, body temperature increased to the maximum of 40.6 degrees C and he went into shock. Then another 10 hours later, he developed cardiac arrest He recovered, but 22 hours later, second cardiac arrest occurred. After his second recovery, dantrolene was administered and body temperature decreased. He had hypoxic brain damage, but was dischanged from the hospital after tracheostomy on the 150th hospital day. From his clinical course, especially decrease in body temperature by dantrolene, he was suspected to have developed malignant hyperthermia. We should consider malignant hyperthermia when patient had a severe high fever postoperatively.

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