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Updated: Apr 19, 2026

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
Coronary stent entrapment
Liviu Gheorghe Macovei1, Razvan Mihai Presura1, Larisa Anghel1
1Cardiovascular Diseases Institute "George I.M. Georgescu", Iasi, Romania.
Insights
This case involves a high-risk percutaneous coronary intervention to treat stent restenosis in a patient with complex coronary artery disease. The procedure addresses an unexpanded stent lodged in critical coronary arteries, aiming to relieve severe angina.
Area of Science:
- Cardiology
- Interventional Cardiology
- Vascular Surgery
Background:
- A 64-year-old female patient presented with crescendo angina pectoris.
- She had a history of coronary artery bypass surgery and angioplasty with an unexpanded stent entrapped in the circumflex coronary artery and left main.
- Surgical intervention was deemed very high risk.
Purpose of the Study:
- To describe the management of complex stent restenosis in a challenging anatomical location.
- To evaluate the feasibility of elective percutaneous coronary intervention (PCI) in a high-risk scenario.
Main Methods:
- The patient underwent an elective percutaneous coronary intervention.
- The procedure focused on addressing stent restenosis caused by an unexpanded stent in the circumflex coronary artery and left main.
Main Results:
- Percutaneous coronary intervention was successfully performed despite the procedural complexity.
- The intervention aimed to alleviate symptoms of crescendo angina pectoris.
Conclusions:
- Elective percutaneous coronary intervention can be a viable option for complex stent restenosis in high-risk patients.
- Careful planning and execution are crucial for managing unexpanded stent entrapment in critical coronary arteries.
Abstract:
A 64-year-old woman with a history of coronary artery bypass and coronary angioplasty with unexpanded stent entrapment blocked in the circumflex coronary artery and left main is now presenting with crescendo angina pectoris. The Department of Cardiovascular Surgery established that a new surgical intervention presents a very high risk. In this condition, we decide for elective percutaneous coronary intervention for stent restenosis, which is a very difficult procedure in the particular condition of unexpanded stent blocked in the circumflex coronary artery and left main.
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Acute Coronary Syndrome I: Introduction
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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations
Acute Coronary Syndrome III: Diagnostic Studies
Angina II: Classification

