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Two complex coronary artery abnormalities discovered after an acute coronary syndrome : A case report

Complex coronary artery abnormalities (CAA) are rare findings with no established guideline for their management in asymptomatic patients. We report the case of a 49-year-old male patient, with no medical history, who was incidentally diagnosed for two congenital complex CAA during for the managemen...

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Published in:Annales de cardiologie et d'angéiologie 2024-12, Vol.73 (6), p.101838, Article 101838
Main Authors: Bourlond, B., Dupré, M., Qanadli, S.D., Eeckhout, E.
Format: Article
Language:fre
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Summary:Complex coronary artery abnormalities (CAA) are rare findings with no established guideline for their management in asymptomatic patients. We report the case of a 49-year-old male patient, with no medical history, who was incidentally diagnosed for two congenital complex CAA during for the management of an acute coronary syndrome without ST elevation. The coronary angiogram showed an acute atheromatous occlusion of the right coronary artery (RCA) that was treated by a drug-eluting stent. Transcatheter angiograms as well as the coronary computed tomography (CT) also revealed an ectopic RCA arising from the left cuspid with an inter-arterial course, and a second left anterior descending artery emerging from the RCA with a retro-pulmonary course. The present acute coronary syndrome was not in relation to his congenital disease but with an atheromatous disease. On 48 months of follow-up, the transthoracic echocardiography is normal and the patient remains asymptomatic despite the risk of sudden cardiac death and myocardial infarction. This case shows that CAA can be clinically silent for a long period of time without any correction. It highlights that ischemia in patients with CAA is not always due to the congenital disease. As patients seemed to remain at SCD risk despite surgical correction, not correcting the CAA might remain an alternative in asymptomatic adult patients. Les anomalies complexes des artères coronaires (ACA) sont des pathologies rares, sans recommandations fortes concernant leur prise en charge chez les patients asymptomatiques. Nous rapportons le cas d'un patient de 49 ans, sans antécédent médical notoire, chez qui deux anomalies complexes des coronaires ont été diagnostiquées fortuitement lors de la prise en charge d'un syndrome coronarien aigu sans sus-décalage du segment ST. La coronarographie a révélé une occlusion athéromateuse aiguë de l'artère coronaire droite, traitée par un stent actif. L'angiographie coronarienne, tout comme le coro-CT, ont mis en évidence une naissance ectopique de l'artère coronaire droite depuis la cuspide gauche, avec un trajet inter-artériel, et une artère interventriculaire antérieure naissant de l'artère coronaire droite proximale, avec un trajet rétropulmonaire. Le syndrome coronarien aigu du patient n'a pas été engendré par l'anomalie complexe des coronaires, mais par la maladie athéromateuse. Au suivi à 48 mois, l’échocardiographie transthoracique est dans la norme et le patient est asymptomatique de son
ISSN:0003-3928
DOI:10.1016/j.ancard.2024.101838