• Erisa Nakamori, Keiichi Nitahara, Yasuyuki Sugi, Kiyoshi Katori, Akiko Matsuzaki, and Kazuo Higa.
• Department of Anesthesiology, Faculty of Medicine, Fukuoka University, Fukuoka 814-0180.
• Masui. 2013 Aug 1;62(8):972-4.

AbstractWe report a patient with myasthenia gravis whose rocuronium induced neuromuscular block was reversed with sugammadex. A 26-year-old man, 175 cm and 76 kg, with myasthenia gravis, was scheduled for extended thymectomy under general anesthesia. An epidural catheter was inserted at the T5-6 interspace before induction of general anesthesia. Anesthesia was induced with propofol and remifentanil. Rocuronium was given in divided doses to obtain > 95% neuromuscular block to intubate the trachea. The ED50 and ED95 of rocuronium for this patient were 0.18 mg x kg(-1) and 0.39 mg x kg(-1), respectively. The values were similar to the ED50 and ED95 of rocuronium for normal patients. General anesthesia was maintained with propofol and remifentanil. Additional doses of rocuronium were given intermittently. Sugammadex, 2 mg x kg(-1), was given at the end of the surgery. The train-of-four ratio reached 93% 105 sec later. His postoperative course was uneventful.

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