• K Koishi, Y Ooe, A Hirata, H Kimura, and M Izawa.
• Department of Anesthesia, Nissan Tamagawa Hospital, Tokyo.
• Masui. 2000 Jan 1; 49 (1): 72-4.

AbstractA 30-year-old man was admitted because of status asthmaticus. He required 7 days of artificial ventilation and was treated with hydrocortisone 1.2 g.day-1 and bronchodilaters. Pancuronium bromide 0.08 mg.kg-1.hr-1 was given for 64 hours for the ease of artificial ventilation. On day 3, severely elevated airway pressure resulted in left pneumothorax and isoflurane 1% was given for the following 2 days. Respiratory muscle weakness was evident 24 hours after discontinuation of pancuronium infusion on day 5 while full 4 twitches of TOF on the adductor pollicis muscle were seen at the time. The respiratory muscle weakness continued for another 3 days and he was extubated on day 8. Serum creatine kinase concentration rose to 2178 U.l-1 on day 6 and returned to normal on day 11. Hematurea, hyperpyrexia and metabolic acidosis were never seen during the course. Acute corticosteroid myopathy was suspected to be the cause of the prolonged respiratory muscle weakness.

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