Anomalous Origin of Left Coronary Artery - an unusual case

U Abbas1, W Cossor2

  • 1Advocate Children Hospital, 4400 95th St, Oak Lawn, IL 60453, USA.

Insights

Congenital coronary artery anomalies are rare causes of sudden cardiac arrest in young athletes. This case highlights a rare anomaly leading to cardiac arrest, emphasizing the need for awareness.

Area of Science:

  • Cardiology
  • Anatomical Pathology

Background:

  • Congenital coronary artery anomalies are infrequent but significant causes of sudden cardiac arrest (SCA), particularly in young athletes.
  • Previous reports link these anomalies to SCA, underscoring their clinical importance.

Observation:

  • This report details a rare case of SCA in a young individual.
  • The cause was identified as an anomalous left main coronary artery originating from a high posterior position within the left sinus of Valsalva.
  • The anomalous artery had an intramural retroaortic course and was associated with a bicuspid aortic valve.

Findings:

  • A rare anatomical variant of the left main coronary artery was identified as the cause of sudden cardiac arrest.
  • The specific anomaly involved high origin from the left sinus of Valsalva, an intramural retroaortic course, and co-existence with a bicuspid aortic valve.

Implications:

  • This case underscores the critical need for recognizing rare coronary artery anomalies in the evaluation of sudden cardiac arrest, especially in young athletes.
  • Awareness of such anatomical variations is crucial for accurate diagnosis and potentially preventative strategies.
  • The association with bicuspid aortic valve warrants further investigation into combined risks.

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