Identifying, characterizing, and classifying congenital anomalies of the coronary arteries

Area of Science:

• Cardiovascular Imaging
• Radiology
• Congenital Heart Disease

Background:

• Coronary artery anomalies present with a wide spectrum of clinical severity, from asymptomatic to life-threatening.
• Cardiovascular computed tomography (CT) is the established standard for identifying and characterizing these anomalies.
• Familiarity with the diverse range of coronary artery anomalies is crucial for interpreting cardiovascular CT scans.

Purpose of the Study:

• To review the spectrum of coronary artery anomalies identifiable by cardiovascular CT.
• To highlight the clinical significance and potential sequelae of various coronary artery anomalies.
• To emphasize the importance of radiologist knowledge in diagnosing coronary artery anomalies.

Main Methods:

• Review of cardiovascular CT imaging findings for various coronary artery anomalies.
• Categorization of anomalies based on hemodynamic significance and clinical implications.
• Discussion of specific anomaly types and their associated risks.

Main Results:

• Hemodynamically significant anomalies include atresia, origin from the pulmonary artery, interarterial course, and congenital fistula.
• Non-hemodynamically significant anomalies encompass duplication, high origin, and various anomalous courses.
• Interarterial course and shunting anomalies (e.g., fistula, pulmonary origin) are associated with increased risks, including sudden cardiac death and myocardial ischemia.

Conclusions:

• Radiologists must possess comprehensive knowledge of coronary artery anomalies and their potential implications.
• Accurate interpretation of cardiovascular CT is vital for identifying anomalies that pose significant clinical risks.
• Understanding the specific variants and their associated cardiovascular sequelae is essential for patient management.