Proposed Standardized Nomenclature for Anomalous Aortic Origin of a Coronary Artery: An International

Carlos M Mery1, Meena Nathan2, Christoph Gräni3

  • 1Pediatric Heart Institute, Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, Tennessee, USA; Department of Cardiac Surgery, Vanderbilt University Medical Center, Nashville, Tennessee, USA.

Insights

A new standardized nomenclature for anomalous aortic origin of a coronary artery (AAOCA) has been proposed. This aims to unify descriptions, aiding risk stratification and evidence-based management of this congenital heart condition.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Congenital Heart Disease

Background:

  • Advanced noninvasive imaging enhances characterization of congenital coronary artery anomalies.
  • Anomalous aortic origin of a coronary artery (AAOCA) can cause myocardial ischemia with diverse clinical presentations.
  • Current management is complicated by varied anatomic descriptions and lack of uniform nomenclature for high-risk features.

Purpose of the Study:

  • To propose a standardized nomenclature for describing the anatomy and morphology of AAOCA.
  • To unify descriptors within the scientific community for better communication.
  • To facilitate the identification of high-risk features and improve risk stratification.

Main Methods:

  • Utilized the Delphi methodology.
  • Involved a group of experts in coronary artery anomalies (International Coronary Artery Anomalies Collaborative - ICAAC).
  • Focused on developing a risk-agnostic system for describing AAOCA.

Main Results:

  • A standardized nomenclature for AAOCA anatomy and morphology has been proposed.
  • The system aims for uniformity in descriptors, irrespective of risk.
  • Facilitates a common language for scientific discourse.

Conclusions:

  • A unified nomenclature is crucial for describing AAOCA.
  • Standardization will enable better definition of high-risk morphologic features.
  • This will foster collaborative research and improve evidence-based management of AAOCA across all age groups.

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