Treatment without consent: a medicolegal precedent.
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Adolescent↗
Biomedical subjects
W McFadzean
Publications and source records attributed to W McFadzean.
IV anaesthesia with propofol using a target-controlled infusion system: comparison with inhalation anaesthesia for general surgical procedures in children.
We studied 40 children undergoing general surgical procedures. They were allocated randomly to receive induction of anaesthesia with propofol 3-5 mg kg-1 followed by maintenance with halothane and an appropriate regional block, or induction and maintenance of anaesthesia with a computerized, target-controlled infusion of propofol with a regional block. All patients breathed a mixture of 67% nitrous oxide in oxygen via a laryngeal mask airway. Both techniques provided adequate anaesthesia and operating conditions. There were no significant differences between the groups in heart rate, mean arterial pressure and end-expired carbon dioxide concentration during anaesthesia. There was no significant difference in the recovery times of the two groups.
Anesthesia Recovery Period↗
Drawover anaesthesia and preoxygenation.
We have studied the efficacy of preoxygenation using the Triservice Anaesthetic Apparatus (TSA) in healthy patients and found it to be unsatisfactory. An alternative technique suitable for field use was explored. The Mapleson D system (Bain) was found to be suitable for preoxygenation with a fresh gas flow of only 4 litre of oxygen per minute. In a randomized study using only 4 litre of oxygen per minute for 3 min, the Bain system was found to be superior to the TSA.
Adult↗