• Toshihiro Ando, Ryokichi Goto, Hiroyasu Ohnishi, Mari Ishida, and Hidefumi Obara.
• Department of Anesthesia, Hyogo Prefectural Awaji Hospital, Sumoto 656-0013.
• Masui. 2004 Nov 1; 53 (11): 1290-2.

AbstractWe experienced an anesthetic management for a patient of myotonic dystrophy with pheochromocytoma. Much attention is required to manage myotonic dystrophy on surgical manipulation. This disease interacts with anesthetic drugs. It may cause prolongation of drug action used during anesthesia compared with the usual case. It also may cause dangerous interactions such as severe arrhythmia and malignant hyperthermia. That is why we were faced with serious limitation in choosing anesthetic and adjuvant drugs. At the same time, the case of pheochromocytoma must be handled with scrupulous care. Pheochromocytoma causes severe hypertension and sometimes tachycardia leading to intracranial hemorrhage or adrenaline-induced severe hypovolemia. Besides, laparoscopic operation was scheduled to resect the pheochromocytoma. This operation demanded the anesthetic management with artificial ventilation. It must be difficult to cope with these conditions by limited number of drugs. This time, we managed this case by epidural anesthesia with propofol and nitrous oxide without opioid and muscular relaxant. Though, this patient was not fully awake from anesthesia and could not take enough breaths on his own. We extended the period of spontaneous breathing with careful check whether the patient has resumed spontaneous breathing. It took us fourteen days till extubation.

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