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  • Title: Distribution and anomalies of coronary arteries in tetralogy of fallot.
    Author: Dabizzi RP, Caprioli G, Aiazzi L, Castelli C, Baldrighi G, Parenzan L, Baldrighi V.
    Journal: Circulation; 1980 Jan; 61(1):95-102. PubMed ID: 7349946.
    Abstract:
    The surgical management of tetralogy of Fallot (TF) may be complicated by anomalies in the course and distribution of coronary arteries. Selective coronary angiography was performed in 119 cases of TF in order to prevent injury of aberrant vessels. In 11 patients, anomalies in the origin of coronary branches were revealed (five patients with a single coronary ostium, five with the anterior descending coronary artery arising from the right coronary artery or right sinus of Valsalva, and one with the circumflex artery arising from the right coronary artery). Other findings include anastomoses between coronary and bronchial arteries, small fistulas between coronary arteries and the pulmonary artery or right atrium, and hypoplasia of the coronary tree. The onset of left anterior hemiblock after total correction of TF could possibly be explained, in cases with a dominant left pattern, by injury to the coronary system after closure of the interventricular septal defect, rather than by injury to the conduction system.
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