British Journal of Anaesthesia, Vol 84, Issue 2 174-178, Copyright © 2000 by Oxford University Press
CA Shaw, AA Kelleher, CP Gill, LJ Murdoch, RH Stables and AE Black
We studied 120 patients less than 1 yr of age, allocated randomly to
receive atropine 40 micrograms kg-1 orally 1 h before operation (group A)
or no premedication (group B). All patients underwent a standardized
anaesthetic, including inhalation induction with halothane followed by
atracurium 0.5 mg kg-1, tracheal intubation and positive pressure
ventilation. Monitoring during anaesthesia included heart rate, arterial
oxygen saturation, temperature and airway conditions at induction and
emergence. The incidence of a decrease in arterial oxygen saturation to 94%
or less at induction and recovery was similar in both groups (30.5% at
induction, 39% at extubation in group A; 31% at induction, 41% at
extubation in group B). There were significantly more airway complications
in group B both at induction and emergence (25% and 49%, respectively,
compared with 9% and 25% in group A; P < 0.015). Mean heart rate at
induction and in the peroperative period was significantly higher in the
group receiving atropine (P < or = 0.001). There was an increased
incidence of bradycardia (decrease in heart rate of > or = 20%) at
induction in the non-premedicated group (23% in group B compared with 10%
in group A), but this was not statistically significant. We conclude that
the incidence of airway complications at induction and emergence was
reduced by orally administered atropine premedication.
ARTICLES
Comparison of the incidence of complications at induction and emergence in infants receiving oral atropine vs no premedication
Department of Anaesthesia, Great Ormond Street Hospital for Children NHS Trust, London, UK.
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