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Double right coronary artery with acute inferior wall myocardial infarction

Manojkumar Rohit1, Shivkumar Bagga, Kewal Krishan Talwar

  • 1Department of Cardiology, Post Graduate Institute of Medical Education and Research, Chandigarh 160012, India. manoj_786@hotmail.com

The Journal of Invasive Cardiology
|February 7, 2008
PubMed

Insights

A rare double right coronary artery variation originating from one opening was identified. This anomaly led to a heart attack, successfully treated with angioplasty.

Area of Science:

  • Cardiology
  • Anatomical Variations
  • Interventional Cardiology

Background:

  • Coronary artery anomalies are uncommon but can lead to significant cardiovascular events.
  • A double right coronary artery (DRCA) originating from a single ostium is exceptionally rare.

Observation:

  • We present the first reported case of inferior wall myocardial infarction (MI) caused by occlusion in a DRCA.
  • The anomaly involved a single ostium in the right sinus of Valsalva with two distinct right coronary arteries.
  • A diagnostic challenge was presented by a high takeoff of a large right ventricular branch.

Findings:

  • Successful management of the myocardial infarction was achieved using percutaneous coronary intervention (PCI).
  • Angiographic diagnosis confirmed the rare DRCA anomaly and its occlusive pathology.

Implications:

  • This case highlights the importance of recognizing rare coronary anomalies in the diagnosis and treatment of myocardial infarction.
  • Understanding such variations is crucial for interventional cardiologists to ensure optimal patient outcomes.
  • The findings emphasize the need for careful angiographic assessment to avoid misdiagnosis of coronary artery origins.

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