Giant Calcified Left Circumflex Coronary Artery Aneurysm With Complex Coronary-to-Left Ventricular Communication
Rabih Touma1, Mohan Palla2, Khurshaid Alam3
1Division of Cardiology, John D. Dingell VA Medical Center, Detroit, Michigan.
JACC. Case Reports
|July 28, 2021
Summary
A rare giant aneurysm of the left circumflex artery (LCX) was incidentally discovered in an asymptomatic man. This complex coronary artery abnormality involved the distal LCX draining into a confluence and forming a fistula with the left ventricle.
Area of Science:
- Cardiology
- Vascular Medicine
- Medical Imaging
Background:
- Coronary artery aneurysms are uncommon vascular abnormalities.
- Giant aneurysms, particularly in the left circumflex artery, are exceedingly rare.
- Incidental findings often lead to the diagnosis of asymptomatic cardiovascular conditions.
Observation:
- A 64-year-old male presented with an incidental finding of a giant left circumflex artery (LCX) aneurysm.
- The distal LCX demonstrated an unusual drainage pattern into a confluence of terminal coronary arteries.
- A transmural fistulous tract was identified, connecting the aneurysm to the left ventricle.
Findings:
- This case represents a unique and complex LCX abnormality.
- The anatomical description includes a giant LCX aneurysm with a fistulous connection to the left ventricle.
- The confluence receiving terminal portions of all coronary arteries highlights the extensive nature of the anomaly.
Implications:
- This case expands the understanding of rare coronary artery anomalies.
- Such complex fistulous tracts may have significant hemodynamic implications.
- Further research into the management and long-term outcomes of these rare conditions is warranted.
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