The role of carotid artery stenting for recent cerebral ischemia
M Bosiers1, J Callaert, K Deloose
1Department Vascular Surgery, A.Z. Sint-Blasius, Dendermonde, Belgium. erwin.vinck@fmrp.be
Insights
Endovascular interventions like stenting and angioplasty show promise for acute internal carotid artery occlusion, potentially improving outcomes in stroke patients. Further randomized studies are needed to confirm these findings.
Area of Science:
- Neurology
- Vascular Surgery
- Interventional Radiology
Background:
- Acute cervical internal carotid artery occlusion often leads to poor prognoses in cerebral ischemia patients.
- Existing treatments for acute ischemic stroke with severe neurological symptoms due to internal carotid artery occlusion are insufficient.
- There is a critical need for effective interventions to improve outcomes for these patients.
Purpose of the Study:
- To evaluate the feasibility, safety, and efficacy of endovascular interventions for acute internal carotid artery occlusion.
- To explore potential improvements in neurological symptoms and clinical outcomes with these interventions.
Main Methods:
- Review of treatment approaches including intravenous thrombolysis, carotid endarterectomy, and interventional procedures.
- Focus on intra-arterial thrombolysis, transluminal angioplasty, and stenting for acute internal carotid artery occlusion.
- Consideration of endovascular approaches for select patients with acute internal carotid artery occlusion.
Main Results:
- Endovascular interventions, specifically stenting and angioplasty, appear feasible and safe for acute internal carotid artery occlusion.
- Preliminary results suggest these interventions may be associated with early neurological improvement.
- The endovascular approach is increasingly recognized in stroke therapy, including for intracranial occlusions.
Conclusions:
- Endovascular intervention, including stenting and angioplasty, is a potential treatment option for select patients with acute internal carotid artery occlusion.
- These interventions show encouraging preliminary results for improving neurological function.
- Prospective, randomized studies are required to validate these findings and establish definitive treatment guidelines.
Abstract:
Patients with cerebral ischemia as a result of acute cervical internal carotid artery occlusion are generally considered to have a poor prognosis. Despite maximal medical treatment, a better treatment for patients with acute ischemic stroke who present with serious neurologic symptoms on admission or continue to deteriorate neurologically due to a total occlusion, a dissection or a high-grade stenosis of the internal carotid artery is required. An effective intervention to improve their neurologic symptoms and clinical outcome has not yet been established and represents a challenging and complex problem. Treatment of acute symptomatic occlusion of the cervical internal carotid artery includes intravenous administration of thrombolytic agent, carotid endarterectomy and an interventional approach (intra-arterial administration of thrombolytic agent, transluminal angioplasty with or without stenting). The endovascular interventional approach is becoming a part of the stroke therapy armamentarium for intracranial occlusion. It may also now be considered in select patients with acute internal carotid artery occlusion. Stenting and angioplasty for acute internal carotid artery occlusion appears to be feasible, safe and may be associated with early neurological improvement. The encouraging preliminary results await confirmation from prospective, randomized studies.
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