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Updated: Apr 18, 2026

A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
[Stenting vs. surgery for symptomatic carotid stenosis]
David Calvet1, Jean-Louis Mas1
1Centre hospitalier Sainte-Anne, université Paris-Descartes, service de neurologie, centre de psychiatrie et neurosciences, Inserm UMR 894, 75014 Paris, France.
Insights
Carotid stenting carries a higher stroke risk than surgery, particularly for patients over 70. Both interventions effectively prevent future strokes after the procedure.
Area of Science:
- Neurology
- Vascular Surgery
- Interventional Cardiology
Context:
- Severe symptomatic carotid stenosis presents a significant stroke risk.
- Treatment decisions involve balancing procedural risks with long-term efficacy.
- Patient age and comorbidities influence intervention choice.
Purpose:
- To compare the periprocedural stroke risk between carotid stenting and surgery.
- To evaluate the long-term effectiveness of both interventions in stroke prevention.
- To provide guidance on selecting the optimal revascularization strategy for carotid stenosis.
Summary:
- Carotid stenting is linked to a higher periprocedural stroke risk, especially in patients over 70.
- Stroke risk appears similar between stenting and surgery in patients under 70.
- Both methods offer comparable long-term stroke prevention after the acute procedural phase.
- Surgery is the preferred treatment for severe symptomatic carotid stenosis.
- Stenting is a viable option for patients with surgical contraindications or high comorbidity-related risks.
- Timely revascularization, within two weeks of a TIA or moderate stroke, is recommended.
Impact:
- Informs clinical decision-making for carotid stenosis management.
- Highlights the importance of patient-specific risk stratification for intervention selection.
- Supports a multidisciplinary approach to optimize patient outcomes in cerebrovascular disease.
Abstract:
Stenting is associated with a higher periprocedural risk of stroke compared to surgery. This higher stroke risk mainly concerns patients older than 70 years, whereas risk seems to be similar in patients younger than 70 years. After the procedural period, both surgery and stenting seem to be as effective to prevent stroke. Surgery remains the first choice intervention in patients with severe symptomatic carotid stenosis. It is reasonable to consider stenting in patients with contraindications to surgery due to technical or anatomical aspects, or in patients at high risk of complications because of comorbidities, after a multidisciplinary discussion. Stenting could also be considered in patients who have low risk of stroke after stenting (e.g., patients younger than 70 years). When a revascularization is indicated, intervention should be done within 2 weeks of the index event after TIA or moderate stroke.
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