Percutaneous coronary intervention in a single coronary artery originating from the right sinus of Valsalva
M Nadeem Attar1, Uzma A Khan, Roger K Moore
1Department of Cardiology, Royal Preston Hospital, Preston, Lancashire, UK. nadattar@hotmail.com
Insights
A rare congenital anomaly, the left coronary artery originating from the right sinus of Valsalva, can lead to serious cardiac events. This case highlights successful percutaneous coronary intervention for a related blockage.
Area of Science:
- Cardiology
- Congenital Heart Disease
- Interventional Cardiology
Background:
- The left coronary artery (LCA) typically arises from the left sinus of Valsalva.
- Anomalous origin of the LCA from the right sinus of Valsalva is a rare congenital heart defect.
- This anomaly can be associated with significant clinical events, including myocardial infarction and sudden death.
Observation:
- A unique case presented with a single coronary artery arising from the right coronary sinus.
- This single artery then bifurcated into both the left coronary artery (LCA) and the right coronary artery (RCA).
Findings:
- The right coronary artery (RCA) component of this anomalous vessel exhibited a substantial flow-limiting stenosis.
- The stenosis was effectively managed using percutaneous coronary intervention (PCI).
Implications:
- This case underscores the importance of recognizing and managing variations in coronary artery anatomy.
- Timely intervention for obstructive lesions in anomalous coronary arteries is crucial for preventing adverse cardiac outcomes.
Abstract:
The origin of the left coronary artery (LCA) from the right sinus of Valsalva is a rare congenital anomaly that may be associated with myocardial infarction and sudden or exercise-related death. We report a rare case of a single coronary artery originating from the right coronary sinus and bifurcating into LCA and right coronary artery (RCA). The RCA was found to contain a significant flow-limiting lesion that was successfully treated with percutaneous coronary intervention. In this short report, we discuss the variations in anomalous LCA originating from the right coronary sinus and their clinical implications.
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