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[Coronary artery bypass grafting for a patient with single coronary artery]
1Third Department of Surgery, St. Marianna University School of Medicine, Kawasaki, Japan.
Insights
A rare case of single coronary artery anomaly causing chest pain was successfully treated with coronary artery bypass grafting. This report adds to the limited cases of this congenital heart condition undergoing surgical intervention.
Area of Science:
- Cardiology
- Congenital Heart Disease
- Interventional Cardiology
Background:
- Single coronary artery is a rare congenital anomaly where only one coronary artery arises from the aorta.
- This condition can lead to myocardial ischemia and infarction, presenting with symptoms like chest pain.
- Diagnosis and management can be challenging due to its rarity.
Observation:
- A 47-year-old male presented with acute chest pain.
- Coronary arteriography revealed an anomalous origin of the right coronary artery from the left anterior descending artery.
- Subtotal obstruction was noted in the right coronary artery distal to its anomalous origin.
Findings:
- The patient underwent successful coronary artery bypass grafting (CABG) to revascularize the affected artery.
- The surgical outcome was satisfactory, alleviating the patient's symptoms.
- This case contributes to the scarce literature on single coronary artery anomalies treated with CABG.
Implications:
- Highlights the importance of comprehensive coronary imaging for diagnosing anomalous coronary arteries.
- Demonstrates the feasibility and efficacy of surgical revascularization in selected cases of single coronary artery.
- Emphasizes the need for continued reporting of such rare anomalies to improve understanding and treatment strategies.
Abstract:
A 47-year-old man was admitted with suddenly developed chest pain. Coronary arteriography could not identify the right coronary orifice at the right coronary sinus. Left coronary arteriography revealed that the right coronary artery originated from a proximal segment of the left anterior descending artery with subtotal obstruction at the segment just distal to the bifurcation of the right and anterior descending arteries. Coronary artery bypass grafting to the middle segment of the left anterior descending artery was carried out with satisfactory result. To our knowledge, only seven cases with a diagnosis of single coronary artery who underwent coronary artery bypass grafting have been reported.