Coronary artery anomalies: A diagnostic challenge
1Medical Imaging Service, King Faisal Specialist Hospital and Research Center, Riyadh, Saudi Arabia.
Insights
Coronary artery anomalies (CAAs) are congenital heart conditions affecting about 1% of patients. Early detection of these abnormalities is crucial for diagnosing chest pain and syncope in young adults.
Area of Science:
- Cardiology
- Congenital Heart Disease
- Medical Imaging
Background:
- Coronary artery anomalies (CAAs) are present in approximately 1% of patients undergoing coronary angiography.
- CAAs are classified into anomalies of origin/course, intrinsic anatomy, and termination.
- Abnormal origin from a wrong aortic sinus is a common CAA, requiring exclusion in young adults with chest pain or syncope.
Purpose of the Study:
- To review the classification and clinical significance of coronary artery anomalies.
- To highlight the importance of identifying CAAs in patients presenting with ischemic symptoms.
Main Methods:
- Literature review of coronary artery anomalies.
- Classification of CAAs based on origin, course, intrinsic anatomy, and termination.
- Analysis of clinical presentations and diagnostic considerations.
Main Results:
- The most frequent CAA involves abnormal origin from the wrong aortic sinus.
- Coronary artery fistulae are common termination anomalies, often involving the right coronary artery.
- Rare intrinsic anomalies include ostial stenosis, atresia, and hypoplastic coronary arteries.
Conclusions:
- Coronary artery anomalies encompass a range of structural defects with varying clinical impact.
- Identifying CAAs is essential for accurate diagnosis and management of cardiovascular symptoms, particularly in young individuals.
- Further research into the long-term outcomes and optimal management strategies for CAAs is warranted.
Abstract:
Coronary artery anomalies (CAAs) are found in approximately 1% of all patients undergoing coronary angiography and in 0.3% of patients undergoing autopsy (Roberts, 1986). CAAs may be classified into those of origin and course, intrinsic coronary arterial anatomy, and coronary termination (Angelini et al. 2002). The most common malformation is abnormal origin and course, origin of a coronary artery from a wrong aortic sinus of Valsalva; either the right from the left coronary sinus or the left from the right coronary sinus; these anomalies must be excluded in young adults with typically ischemic- sounding chest pain or syncope. Anomalies coronary artery termination typically presented as coronary artery fistula, commonly the right coronary artery is affected, although, left sided coronary artery fistulae are well documented (Gandy et al. 2004). The anomalies of intrinsic coronary arterial anatomy, such as ostial stenosis, Artesia, and single, absent, or hypoplastic coronary arteries are rare but may have clinical importance.
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Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...


