AI-based detection and classification of anomalous aortic origin of coronary arteries using coronary CT angiography

Isaac Shiri1, Giovanni Baj1, Pooya Mohammadi Kazaj1

  • 1Department of Cardiology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.

Nature Communications
|April 1, 2025
PubMed

Insights

An artificial intelligence tool accurately detects anomalous aortic origin of the coronary artery (AAOCA) in CT scans. This AI can improve diagnosis of this rare heart condition, potentially preventing serious outcomes.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Artificial Intelligence

Background:

  • Anomalous aortic origin of the coronary artery (AAOCA) is a rare congenital heart defect.
  • AAOCA can lead to significant morbidity and mortality, including ischemia and sudden cardiac death.
  • Current diagnostic methods using coronary CT angiography (CCTA) may overlook or misclassify AAOCA.

Purpose of the Study:

  • To develop and validate a fully automated artificial intelligence (AI) tool for detecting and classifying AAOCA.
  • To assess the performance of the AI tool in identifying AAOCA in 3D-CCTA images.
  • To evaluate the potential clinical utility of the AI tool in managing AAOCA.

Main Methods:

  • Development of a fully automated AI algorithm for AAOCA detection and classification.
  • Validation of the AI tool using internal and external datasets of 3D-CCTA images.
  • Clinical evaluation of the AI tool's performance, including discriminatory power (AUC), sensitivity, and specificity.

Main Results:

  • The AI tool achieved high discriminatory performance with an AUC ≥ 0.99.
  • Sensitivity and specificity ranged from 0.95 to 0.99 across all testing datasets.
  • The AI model demonstrated accurate and automated detection and classification of AAOCA.

Conclusions:

  • The developed AI tool provides a fully automated and accurate method for AAOCA detection and classification in CCTA.
  • This AI tool has the potential for seamless integration into clinical workflows, offering real-time alerts for high-risk anatomies.
  • The tool can facilitate the analysis of large CCTA cohorts, enhancing understanding and management of AAOCA.

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