Anaesthesia
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Review
General kinetic and dynamic principles and their application to continuous infusion anaesthesia.
The use of intravenous anaesthetic agents by continuous infusion requires knowledge of their pharmacokinetic properties. In this article, the general pharmacokinetic principles behind the use of infusions of intravenous agents are presented and the literature with regard to the individual drugs used in this way is reviewed.
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Etomidate has been studied in two groups of patients. In Group 1, 50 patients received etomidate 100 micrograms/kg/minute with fentanyl and a muscle relaxant, ventilation being with air and oxygen (50%). The technique gave a smooth, pleasant induction with all patients asleep within 2 minutes. ⋯ The cardiovascular system remained stable in all patients. Mean recovery time was 16.1 minutes (range 3-38 minutes). Twitching and restlessness were the main complications during recovery.
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Biography Historical Article
Nitrous oxide in Bristol in 1836. A series of lectures by William Herapath (1796-1868).
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One hundred and fifty women in labour provided with extradural analgesia were monitored and an incidence of Horner's syndrome of 1.33% was noted. Fifty women undergoing Caesarean section under extradural analgesia were also monitored and an incidence of Horner's syndrome of 4% was noted. From the results we found it impossible to predict which patients would develop a Horner's syndrome.
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A questionnaire was sent to senior registrars in General Medicine and Anaesthesia enquiring into the amount of training they received in Intensive Therapy and their attitudes to this in the light of their expectations for a consultant post. The results suggest that training is inadequate and that trainees are dissatisfied with the current situation.