• G G Lavery, R K Mirakhur, R S Clarke, and F M Gibson.
• Eur J Anaesthesiol. 1986 Nov 1; 3 (6): 459-67.

AbstractHeart rate and rhythm (from ECG) and systolic, diastolic and mean arterial pressures (using an oscillotonometer) were measured for 30 min following administration of atracurium 0.5 mg kg-1 (n = 20), vecuronium 0.1 mg kg-1 (n = 20) or pancuronium 0.1 mg kg-1 (n = 20) during steady-state anaesthesia, with nitrous oxide, oxygen and either 0.75% halothane or fentanyl 4-5 micrograms kg-1, in the absence of any surgical stimulation. Whereas atracurium and vecuronium were associated with only small and clinically unimportant changes in heart rate, pancuronium produced a marked and significant increase associated with a junctional rhythm in four patients. Atracurium produced no significant changes in arterial pressure, vecuronium produced a significant fall (20 mmHg) in diastolic pressure during halothane anaesthesia and pancuronium a significant increase in mean arterial pressure with both anaesthetic techniques. No serious bradycardias were observed with either atracurium or vecuronium. Five patients showed cutaneous signs of histamine liberation after administration of atracurium.

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