British Journal of Anaesthesia, 1988, Vol. 61, No. 5 551-556
© 1988 The Board of Management and Trustees of the British Journal of Anaesthesia
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POST-TETANIC COUNT AND INTENSE NEUROMUSCULAR BLOCKADE WITH VECURONIUM IN CHILDREN
The Hospitals For Sick Children Great Ormond Street, London WCIN 3JH
Sixty children undergoing surgery were allocated, according to weight, to three equal groups. Each child received a loading dose of vecuronium 80 µg kg1 followed immediately by an infusion set initially at 1.4 µg kg1 min1. The subsequent intense neuromuscular blockade was assessed using the post-tetanic count (PTC). Maintaining the PTC between 5 and 15 ensured adequate paralysis which was antagonized easily 618 min after stopping the infusion. However, the duration of the initial intense block was unpredictable and the use of a peripheral nerve stimulator is advisable, particularly in smaller infants (<5 kg). The results suggest that vecuronium accumulated after 3 h infusion and that has less presynaptic effect than atracurium.
*Present address for correspondence: Clinical Shock Study Team, Western Infirmary, Glasgow G11 6NT.
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