Checking the Lack breathing system.
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Biomedical subjects
Publications and source records attributed to J P Normandale.
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The effect of the administration of diamorphine 10 mg epidurally on the metabolic response to cholecystectomy was investigated and compared with a control group of patients given intravenous papaveretum. There were no significant differences in blood glucose, lactate and pyruvate, and plasma nonesterified fatty acid values between the epidural diamorphine group and the control group. Plasma cortisol concentrations were significantly lower in the epidural diamorphine group postoperatively and this was associated with a marked improvement in pain relief. We conclude that epidural opiates do not directly influence the metabolic response to surgery, but decrease the cortisol response postoperatively secondary to improved analgesia.
Disoprofol has been used to induce and, by continuous infusion, to maintain a light level of general anaesthesia in 100 patients undergoing surgery with the aid of a regional block. Its effects have been compared with 100 patients anaesthetised in a similar manner with Althesin. Disoprofol proved to be a very satisfactory agent for use by this method and apart from an appreciable incidence of pain on injection the number of complications was small and comparable to those found with Althesin, which caused more involuntary movements. Recovery was particularly rapid and clear-headed following disoprofol, and occurred highly significantly more quickly than after Althesin. Disoprofol, however, will not be marketed in the present formulation which has Cremophor EL as the solubilising agent.
Inherited prolongation of the Q-T interval is associated with syncopal attacks due to ventricular arrhythmias, which, if untreated, are often fatal at an early age. The condition is reviewed and the anaesthetic management of two patients with the syndrome presented. The importance of recognition of the syndrome and its treatment with beta-blockers is stressed.