GENERAL ANÆSTHESIA FOR ANGIOCARDIOGRAPHY

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Abstract
The literature dealing with anæsthesia for angiocardiography is reviewed. It appears that there are inherent dangers in angiocardiography under general an for children with cyanotic heart disease. Unfortunately, these are just the types of patients to whom it is almost essential for an anæsthetic to be administered. Fifty of such cases have been anæsthetized at the Middlesex Hospital without mortality or morbidity except for one case quoted who was ill for a few hours. A technique is described which provides rapid, pleasant induction of anæsthesia with thiopentone thus eliminating the danger of restlessness and anoxia during induction. Maintenance is with nitrous oxide, oxygen and trichlorethylene using a high oxygen percentage and a low trichlorethylene concentration so that good oxygenation is ensured and cardiac irregularities due to trichlorethylene are avoided. In order to eliminate dangerous respiratory reflexes, small intermittent doses of intravenous thiopentone 5 per cent are given prior to the injection of Diodone 70 per cent. Post-operative care is stressed and described.

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