[Left coronary artery with anomalous origin and course]

R Barriales Villa1, C Morís de la Tassa, J L Rodríguez Lambert

  • 1Servicio de Cardiología, Hospital Central de Asturias, Oviedo.

Insights

A rare congenital coronary artery anomaly originating from the aorta was identified in a patient with angina. Percutaneous transluminal coronary angioplasty (PTCA) successfully treated significant stenosis in the right coronary artery, relieving symptoms.

Area of Science:

  • Cardiology
  • Congenital Heart Disease
  • Interventional Cardiology

Background:

  • Coronary artery anomalies are rare congenital conditions that can predispose individuals to myocardial ischemia.
  • Atypical coronary artery origins require detailed anatomical assessment for accurate diagnosis and management.
  • Angina pectoris and positive exercise tests are common clinical presentations necessitating coronary angiography.

Observation:

  • A 45-year-old patient presented with angina and a positive exercise test.
  • Coronary arteriography revealed an anomalous origin of the left coronary artery from a vascular structure connecting the aorta to the mid-left anterior descending artery.
  • Significant (90%) stenosis was identified in the right coronary artery.

Findings:

  • The patient underwent percutaneous transluminal coronary angioplasty (PTCA) to address the right coronary artery stenosis.
  • Post-procedure, the patient remained asymptomatic at an eight-month follow-up.
  • The identified left coronary artery anomaly appears to be unique, with no similar cases documented in existing literature.

Implications:

  • This case highlights the importance of recognizing and characterizing rare coronary artery anomalies.
  • Successful intervention for associated coronary artery disease in the presence of anomalous coronaries is feasible.
  • Further investigation into the clinical significance and long-term outcomes of such rare anomalies is warranted.

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