British journal of anaesthesia
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We have examined, under reproducible conditions, the resistance to airflow of complete anaesthetic breathing systems (Magill, Coaxial Lack, Parallel Lack and Bain systems) and components of these systems. All systems had resistances within the recommended ranges at all flows likely to be experienced in normal clinical practice. The Magill system had the lowest resistance under all conditions. It is concluded that comparisons should be made only between complete breathing systems.
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This paper describes the development of a microprocessor controlled anaesthetic machine comprising an integrated anaesthetic apparatus and monitoring system. Following prolonged reliability trials in the laboratory, changes have been made to major components which were described in earlier publications.
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Case Reports
Anaesthetic management for caesarean section in a patient with uncorrected truncus arteriosus.
We describe the successful management of a 25-yr-old primigravida with uncorrected truncus arteriosus, requiring an urgent Caesarean section for delivery of a live infant and we discuss the rationale of using the chosen drug combination and the importance of adequate monitoring in selecting an anaesthetic technique based on the pathophysiology of the congenital cardiac lesion.
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Randomized Controlled Trial Clinical Trial
Effect of prolonged sedation with propofol on serum triglyceride and cholesterol concentrations.
We compared changes in serum lipid concentrations in ICU patients receiving a 3-day continuous infusion of propofol with those in patients receiving conventional sedation. No adverse effects were observed and the serum lipid concentrations were not significantly influenced by propofol. It is concluded that propofol might be a suitable agent for long-term sedation in the ICU, although serum lipid concentrations should be monitored throughout its administration.