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The Journal of Thoracic and Cardiovascular Surgery, Vol 90, 45-49, Copyright © 1985 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Truncus arteriosus. Surgical approach

AK Sharma, WJ Brawn and RB Mee

Between mid-1979 and December, 1983, 23 patients with various types of truncus arteriosus underwent total surgical correction at Royal Children's Hospital, Melbourne, Australia. Nineteen patients had primary total repair and four had secondary repair, three having survived banding done prior to 1978. Sixteen patients were less than 1 year of age. Repair was performed with circulatory arrest in infants and cardiopulmonary bypass with core cooling in older patients. Patients were electively ventilated preoperatively. In the postoperative period, pulmonary artery pressure was monitored very closely and any rise was treated with hyperventilation and vasodilators. Two patients under 1 month of age, who were severely acidotic and anuric preoperatively, died of low output syndrome. Among the rest of the infants there was only one death, probably because of pulmonary hypertensive crisis that might have been prevented. From our experience, we think that patients with truncus arteriosus should have total correction during infancy, preferably at 2 to 3 months of age, as it can be performed with a very low risk and also avoids the development of pulmonary vascular disease, which occurs very rapidly in these infants.

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