Percutaneous Coronary Intervention in a Patient Presenting With Inferior Myocardial Infarction and an Anomalous Left...

Area of Science:

• Cardiology
• Interventional Cardiology
• Congenital Heart Disease

Background:

• Anomalous coronary artery origins, particularly the left main artery, are rare congenital heart defects.
• These anomalies can pose significant risks, especially when associated with coronary artery disease.
• Accurate identification is crucial for guiding interventional strategies and patient management.

Observation:

• A patient presented with inferior myocardial infarction (MI).
• The patient had an anomalous left main artery originating from the right coronary sinus with a separate ostium from the right coronary artery.
• The right coronary artery was successfully revascularized using balloon angioplasty and a drug-eluting stent.

Findings:

• The anomalous origin of the left main artery from the right coronary sinus, though rare, was identified.
• The presence of atherosclerotic disease in this anomalous vessel presented a complex revascularization challenge.
• Successful intervention on the right coronary artery was performed.

Implications:

• Early recognition of left main coronary artery anomalies is vital for procedural planning.
• Appropriate guide catheter selection is critical to ensure successful cannulation and minimize procedural risks.
• Understanding these anomalies can reduce complications, radiation exposure, and contrast agent usage during cardiac interventions.