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Updated: Jun 10, 2026
04:30
A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
Stenting therapy for extra-cranial carotid stenosis.
T Nakahara1, S Sakamoto, M Kutsuna
1Division of Neuroendovascular Treatment, Mazda Hospital, Hiroshima, Japan. tnakahar@iwa.att.ne.jp.
Summary
Stent placement effectively treated extra-cranial carotid stenosis in 15 patients, showing a 0% restenosis rate. Further research is needed for improved stent and protective balloon techniques.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Neurology
Background:
- Extra-cranial carotid stenosis poses a significant risk of stroke.
- Percutaneous stent implantation is an emerging treatment option.
Purpose of the Study:
- To evaluate the initial results of stent placement for extra-cranial carotid stenosis.
- To assess the safety and efficacy of this procedure.
Main Methods:
- Fifteen patients with >60% stenosis underwent percutaneous stent implantation.
- Balloon-expandable and self-expandable stents were used.
- A proximal protective balloon technique was employed when possible.
Main Results:
- Successful stent placement in all patients.
- Mean stenosis reduced from 74% to 0% immediately post-procedure.
- One transient ischemic attack occurred, with full recovery; no restenosis or neurological deterioration observed during follow-up.
Conclusions:
- Stent placement for extra-cranial carotid stenosis is safe and effective in this small series.
- Development of more advanced stents and protective techniques is warranted for neurointervention.
- Low morbidity and mortality were observed in this initial study.
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