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Right coronary artery originating from distal left circumflex: an unusual feature of single coronary artery

M C Vrolix1, M Geboers, D Sionis

  • 1Department of Cardiology, University Hospital of Gasthuisberg, Leuven, Belgium.

European Heart Journal
|June 1, 1991
PubMed

Insights

A rare single coronary artery anomaly was found where the right coronary artery arose from the left circumflex artery. This aberrant vessel had significant stenosis at its origin, necessitating bypass surgery.

Area of Science:

  • Cardiovascular Medicine
  • Anatomical Variations
  • Interventional Cardiology

Background:

  • Congenital coronary artery anomalies are rare but can lead to significant cardiovascular events.
  • A single coronary artery system is an extremely uncommon anomaly.
  • Aberrant coronary artery origins require careful anatomical assessment.

Purpose of the Study:

  • To report a unique case of a single coronary artery system.
  • To highlight the clinical presentation and management of an aberrant right coronary artery originating from the left circumflex.
  • To discuss the implications of coronary artery anomalies on surgical planning.

Main Methods:

  • Case report detailing a patient's presentation.
  • Diagnostic imaging to delineate coronary artery anatomy.
  • Clinical evaluation for associated cardiac conditions.

Main Results:

  • Identification of a single coronary artery system with the right coronary artery arising from the distal left circumflex.
  • Significant stenosis detected at the take-off of the aberrant right coronary artery.
  • Absence of other demonstrable cardiac anomalies.

Conclusions:

  • This case underscores the importance of recognizing rare coronary artery anomalies.
  • Stenosis at the origin of an aberrant coronary artery poses a significant risk.
  • The patient was deemed suitable for and referred for elective bypass surgery.

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