[Dual left anterior descending coronary artery: a case report]
Bilal Boztosun1, Mehmet Mustafa Can, Ayhan Olcay
1Department of Cardiology, Kartal Koşuyolu Yüksek Ihtisas Training and Research Hospital, Istanbul, Turkey. bboztosun@hotmail.com
Insights
A rare dual left anterior descending (LAD) artery anomaly was found in a patient with chest pain. Successful treatment of a blocked diagonal artery relieved symptoms, highlighting the importance of identifying coronary variations.
Area of Science:
- Cardiology
- Vascular Anatomy
- Interventional Cardiology
Background:
- Coronary artery anomalies are uncommon and can present with diverse clinical manifestations.
- Dual left anterior descending (LAD) artery, originating from both the right and left coronary systems, is a particularly rare variation.
Observation:
- A 61-year-old male presented with anginal chest pain and left ventricular hypokinesis.
- Coronary angiography revealed a dual LAD anomaly, with the native LAD showing significant stenosis in its first diagonal branch.
- A second, longer LAD artery originated from the right coronary artery.
Findings:
- The patient had 95% stenosis in the proximal first diagonal artery and 50% stenosis in the mid-segment of the first septal artery.
- Successful stent implantation was performed for the critical stenosis in the first diagonal artery.
- The patient remained symptom-free at three months post-intervention.
Implications:
- This case underscores the importance of recognizing and diagnosing rare coronary anomalies like dual LAD.
- Accurate identification through coronary angiography is crucial for appropriate management and treatment planning.
- Successful intervention in complex coronary anatomy can lead to favorable patient outcomes.
Abstract:
Dual left anterior descending (LAD) artery originating from the right and left coronary arteries is a rare coronary anomaly. A 61-year-old male patient presented with anginal chest pain. He underwent coronary angiography upon detection of hypokinesia in the anterolateral wall of the left ventricle in transthoracic echocardiography. Left coronary angiography showed narrowing of the left anterior descending (LAD) artery after giving the first diagonal and first septal branches, without reaching the apex. There was a 95% stenosis in the proximal first diagonal artery and a 50% stenosis in the midsegment of the first septal artery. In right coronary angiography, another LAD was noted originating from the proximal right coronary artery and having an anterior course similar to the original LAD. It was longer than that originating from the left main coronary artery, giving many septal and diagonal branches. Stent implantation following elective predilatation was performed for stenosis in the proximal first diagonal artery. The patient was symptomless in the third month of treatment.
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