British Journal of Anaesthesia, 1974, Vol. 46, No. 4 268-272
© 1974 The Board of Management and Trustees of the British Journal of Anaesthesia
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COMPARISON OF ALTHESIN AND THIOPENTONE IN ANAESTHESIA FOR PAEDIATRIC OUT-PATIENT OTOLOGY
Althesin (0.055 ml/kg) as an anaesthetic induiction agent was campared with thiopentone (4 mg/Kg) in 87 children undergoing minor ear surgery as out-patients. The children were premedicated with pethidine and atropine and anaethesia was maintained with nitrous oxide in oxygen and halothane. Both drugs were associated with similiar reductions in heart rate and similar increases in respiratory rate. The depressant effect on systolic arterial pressure caused by thiopentone was more marked than that caused by Althesin. There were cardiac arrhythmias in three children who received thiopentone but none in the Althesin group. Althesin was associated with a more rapid recovery.