Anomalous Aortic Origin of a Coronary Artery is Always a Surgical Disease
1Department of Pediatric Cardiac Surgery, University Paris Descartes, Sorbonne Paris Cité; and APHP, Sick Children Hospital, Paris, France.
Insights
Anomalous aortic origin of a coronary artery (AAOCA) can increase sudden death risk, especially in symptomatic young patients with specific anatomical features. Anatomical repair surgery is recommended for most patients to prevent sudden death.
Area of Science:
- Cardiology
- Congenital Heart Disease
- Cardiac Surgery
Background:
- Anomalous aortic origin of a coronary artery (AAOCA) is a congenital heart defect where coronary arteries arise from the incorrect aortic sinus.
- This anomaly can lead to serious complications, including sudden cardiac death, particularly in young individuals.
- Despite established risks, surgical indications for AAOCA remain a subject of debate.
Purpose of the Study:
- To review the current understanding of anomalous aortic origin of a coronary artery.
- To discuss the risk factors associated with sudden death in patients with AAOCA.
- To evaluate the efficacy and indications for surgical management of AAOCA.
Main Methods:
- Review of existing literature on anomalous aortic origin of a coronary artery.
- Analysis of risk factors contributing to adverse outcomes, including sudden death.
- Evaluation of surgical outcomes and recommendations for patient management.
Main Results:
- The risk of sudden death is elevated in symptomatic patients, those with anomalous left coronary artery, and individuals with specific anatomical risk factors.
- Aggravating anatomical features include intramural interarterial course, slit-like ostium, and acute take-off angle.
- Intense physical activity and young age (<35 years) are also associated with increased risk.
Conclusions:
- Surgical anatomical repair can effectively prevent sudden death in patients with AAOCA.
- Achieving normal coronary anatomy and function post-surgery is crucial.
- Extensive return-to-play testing is recommended after surgical intervention.
- A thorough benefit/risk assessment is mandatory for individual patient management, with surgery indicated in most cases.
Abstract:
Anomalous aortic origin of a coronary artery is a congenital anomaly in which a major coronary artery arises from the wrong sinus of Valsalva (left coronary from right sinus or right coronary from left sinus) and courses between the great arteries before reaching its normal epicardial course. Although the risk of sudden death is clearly established, the indications for surgery remain controversial. The risk of sudden death is increased in symptomatic patients, in anomalous left coronary artery, as well as in the presence of some risk factors (intense physical activity, young age [<35 years], aggravating anatomical features [intramural interarterial course, slit-like ostium, acute angle of take-off]). As far as is currently known, surgical management using an anatomical repair can prevent sudden death, provided that normal coronary anatomy and function are achieved and that extensive return-to-play testing is performed. A precise evaluation of the benefit/risk ratio is mandatory on an individual basis, but surgery may be indicated in the vast majority of patients.
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