British Journal of Anaesthesia, 1988, Vol. 61, No. 5 547-550
© 1988 The Board of Management and Trustees of the British Journal of Anaesthesia
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USE OF THE POST-TETANIC COUNT TO MONITOR RECOVERY FROM INTENSE NEUROMUSCULAR BLOCKADE IN CHILDREN
Department of Anaesthesia, Royal Manchester Children's Hospital Pendlebury, Manchester M27 1HA
Correspondence to G. M.
The post-tetanic count was investigated as a method of monitoring intense neuromuscular blockade in children. One of five myoneural blockers (atracurium, vecuronium, pancuronium, tubocurarine or alcuronium) was given to groups of six children during nitrous oxide-oxygen-halothane anaesthesia. During recovery, the first post-tetanic response always preceded the first train-of-four response. The interval between the appearance of the first post-tetanic response and the first train-of-four response was typically 510 min for the intermediate-acting agents vecuronium and atracurium, and 2030 min for the long-acting agents pancuronium, alcuronium and tubocurarine. A post-tetanic count of 6 with alcuronium and tubocurarine, or 7 with vecuronium, atracurium and pancuronium indicated that recovery of the first train-of-four response was imminent.
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