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Direct communication between the left circumflex and the right coronary arteries: a very rare coronary anomaly

Marcos Danillo Peixoto Oliveira1, Rafael R César Cavalcanti1, Alexandre H Kajita1

  • 1Department of Interventional Cardiology, Heart Institute of the University of São Paulo, Avenida Dr. Eneas de Carvalho Aguiar 44, 05403-900 São Paulo, SP, Brazil.

Cardiovascular Diagnosis and Therapy
|February 18, 2016
PubMed

Insights

We found a rare coronary artery anomaly, intercoronary communication, in a patient experiencing acute coronary syndrome. This unusual connection between coronary arteries was discovered during a routine angiography.

Area of Science:

  • Cardiology
  • Congenital Heart Disease
  • Vascular Anatomy

Background:

  • Coronary artery anomalies (CAA) represent congenital variations in coronary artery development.
  • Intercoronary communication (ICC) is an exceptionally rare subtype of CAA, characterized by abnormal blood flow between coronary arteries.
  • Understanding CAA and ICC is crucial for diagnosing and managing cardiovascular conditions.

Observation:

  • A 58-year-old male presented with acute coronary syndrome.
  • Coronary angiography revealed an incidental finding of a rare communication between the right coronary artery and the left circumflex artery.
  • This intercoronary communication demonstrated an unusual vascular connection.

Findings:

  • The case highlights a unique instance of intercoronary communication between the right and left circumflex coronary arteries.
  • The communication was identified unexpectedly during diagnostic imaging for acute coronary syndrome.
  • This finding underscores the potential for rare coronary artery anomalies to be present in patients with ischemic heart disease.

Implications:

  • This case expands the known spectrum of coronary artery anomalies and intercoronary communication.
  • Recognition of such rare ICC is vital for accurate diagnosis and treatment planning in patients with coronary artery disease.
  • Further research into the clinical significance and management of ICC is warranted.

Keywords:
Coronary artery anomalies (CAA)coronary angiographyintercoronary communication (ICC)

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