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A Murine Model of Stent Implantation in the Carotid Artery for the Study of Restenosis
Published on: May 14, 2013
Fractured internal carotid artery stent
Munier Nazzal1, Jihad Abbas, Mustafa Nazzal
1Department of Surgery, University of Toledo Medical Center, Toledo, OH 43615, USA. munier.nazzal@utoledo.edu
Vascular
|August 5, 2008
Summary
Carotid artery stenting is a viable treatment for stenosis, but complications like fracture and thrombus formation after trauma are underreported. This case highlights the need for vigilance regarding unusual carotid stent complications.
Area of Science:
- Vascular Surgery
- Interventional Cardiology
- Biomedical Engineering
Background:
- Carotid artery stenting (CAS) is an established alternative to carotid endarterectomy for treating carotid artery stenosis.
- While stroke and restenosis are known CAS complications, others may be underreported.
- The biomechanical forces on the carotid artery segment share similarities with the femoropopliteal segment, potentially influencing stent integrity.
Observation:
- A patient developed internal carotid artery stent fracture and thrombus formation.
- This complication occurred subsequent to direct chest and neck trauma.
- The fracture suggests external forces can compromise carotid stent stability.
Findings:
- The case demonstrates that carotid artery stent fracture can occur following significant external trauma.
- Thrombus formation was observed in conjunction with the fractured stent.
- This suggests a potential link between stent mechanical failure and thrombotic events in the carotid artery.
Implications:
- Carotid stent complications, particularly fracture due to trauma, may be more common than currently recognized.
- Clinicians should consider external trauma as a potential cause of late stent failure in the carotid arteries.
- Further research is warranted to understand the biomechanics of carotid stent failure and develop strategies to mitigate such risks.
