• D Boulmier, T Langanay, J M Clerc, C Muntean, F B du Haut-Cilly, A C de Labriolle, M Bedossa, and H Le Breton.
• Département de cardiologie et maladies vasculaires, CHU de Rennes, 2, rue Henri Le Guilloux, 35033 Rennes. dominique.boulmier@churennes.fr
• Arch Mal Coeur Vaiss. 2003 Feb 1; 96 (2): 135-9.

AbstractAnomalous origin of the left coronary artery from the pulmonary artery is a rare congenital abnormality with a poor prognosis in the newborn. Adult forms are, therefore, very rare, presenting with angina, cardiac failure or sudden death. The authors report the case of a 41 year old woman who was asymptomatic until admitted as an emergency after ventricular fibrillation. Coronary angiography established the diagnosis. Despite the absence of reversible ischaemia on exercise myocardial scintigraphy, the patient underwent coronary bypass surgery of the left anterior descending artery with a pediculated internal mammary artery graft and closure of the left coronary ostium on the pulmonary artery. The echocardiographic abnormalities regressed within a few weeks. An automatic defibrillator was not implanted. The physiopathology of this rare cardiac lesion, the mechanisms of sudden death and the different techniques of surgical repair are discussed.

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