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Updated: Aug 10, 2026

Myocardial Infarction by Percutaneous Embolization Coil Deployment in a Swine Model
Published on: November 4, 2021
Coil embolization of a circumflex coronary aneurysm at the time of percutaneous coronary stenting
Dean J Kereiakes1, Dan E Long, Thomas D Ivey
1The Carl and Edyth Lindner Center for Research and Education, The Lindner Center, Cincinnati, Ohio 45219, USA. lindner@fuse.net
Insights
Coronary atherosclerotic aneurysms, often linked to severe blockages, can be treated with a minimally invasive technique. This study details a percutaneous catheter approach for coiling a circumflex coronary artery aneurysm during stent placement.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Vascular Surgery
Background:
- Coronary atherosclerotic aneurysms are rare but serious complications of atherosclerosis.
- They often coexist with significant coronary artery stenosis, posing complex management challenges.
- Percutaneous coronary interventions (PCI) are standard for stenosis, but aneurysm management requires specialized techniques.
Observation:
- A case involving a patient with a circumflex coronary artery aneurysm concurrent with severe atherosclerotic stenosis is presented.
- The aneurysm was located in the obtuse marginal branch territory.
- The decision was made to address both the aneurysm and stenosis during a single interventional procedure.
Findings:
- A successful percutaneous catheter-based coil embolization of the circumflex coronary aneurysm was performed.
- The coil embolization was executed concurrently with the deployment of a coronary stent in the obtuse marginal branch.
- This combined approach allowed for simultaneous treatment of the aneurysm and the stenotic lesion.
Implications:
- This case demonstrates the feasibility and potential efficacy of a combined percutaneous approach for managing coronary aneurysms associated with stenosis.
- Coil embolization offers a minimally invasive option for coronary aneurysms, potentially avoiding more complex surgical interventions.
- This technique may represent a valuable strategy in the interventional cardiologist's armamentarium for complex coronary artery disease involving aneurysms.
Abstract:
Coronary atherosclerotic aneurysm often occurs in association with severe atherosclerotic coronary stenosis. We describe the percutaneous catheter-based approach to coil embolization of a circumflex coronary aneurysm at the time of obtuse marginal branch coronary stent deployment.
