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Updated: Mar 1, 2026
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A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
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In-stent Restenosis
1Cardiology Division, Department of Medicine, UCLA Medical Center, 100 Medical Plaza Suite 630, Los Angeles, CA 90095, USA.
Interventional Cardiology Clinics
|June 6, 2017
Summary
In-stent restenosis (ISR), the narrowing of stented arteries, occurs sooner with bare metal stents (BMS) than drug-eluting stents (DES). DES significantly reduce ISR rates, with treatment options including repeat PCI with DES.
Area of Science:
- Cardiology
- Interventional Cardiology
- Vascular Biology
Background:
- In-stent restenosis (ISR) is a significant complication following coronary stenting.
- It manifests as recurrent angina, often occurring within months of the procedure.
- Drug-eluting stents (DES) have shown promise in mitigating ISR compared to bare metal stents (BMS).
Purpose of the Study:
- To summarize the current understanding of in-stent restenosis.
- To highlight the comparative efficacy of DES versus BMS in preventing ISR.
- To outline diagnostic tools and treatment strategies for ISR.
Main Methods:
- Review of existing literature on ISR.
- Analysis of timeframes for ISR development with different stent types.
- Identification of key predictors and diagnostic modalities for ISR.
Main Results:
- ISR occurs at a mean of 12 months post-PCI with DES and 6 months with BMS.
- DES significantly reduce the incidence of ISR compared to BMS.
- Patient, lesion, and procedural factors are identified as predictors of ISR.
Conclusions:
- ISR remains a clinical challenge, but DES represent a significant advancement in its management.
- Accurate assessment using intravascular imaging and physiological measurements is crucial.
- Percutaneous coronary intervention with DES is a primary treatment option for ISR.
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