• Steven Lobaz, Mario Sammut, and Anand Damodaran.
• Department of Anaesthesia and Intensive Care Medicine, Freeman Hospital, Newcastle upon Tyne, UK. Stevelobaz@doctors.org.uk
• BMJ Case Rep. 2013 Jan 1;2013.

AbstractWe describe our experience of a 71-year-old patient with severe renal failure, who exhibited an unusually prolonged rocuronium-induced neuromuscular blockade (>4 h) and apparent recurarisation, following emergency rapid sequence induction (RSI). At the end of operation, 45 min post induction, train-of-four (TOF) testing had been 4/4 prior to wake up. No respiratory effort was seen 150 min postinduction, despite further neostigmine/glycopyrrolate and repeat TOF 4/4. The patient was resedated and transferred to the intensive care unit (ICU). At 180 min postinduction, fade was evident on TOF, suggestive of rocuronium reblockade. At 285 min, the patient was extubated safely following sugammadex administration and discharged uneventfully from the ICU. An important lesson to recognise is the potential for extremely prolonged neuromuscular blockade following rocuronium in patients with severe renal failure, particularly when using the higher doses (1.2 mg/kg) required for RSI, and that TOF in such cases may not be reliable in detecting residual blockade.

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