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Related Concept Videos

Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

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Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
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Related Experiment Video

Updated: Dec 29, 2025

Catheter-based Endovascular Angioplasty for Fibrosing Mediastinitis-associated Pulmonary Vein Stenosis
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[Stent for neurovascular diseases].

Nobuyuki Sakai1, Chiaki Sakai

  • 1Neurosurgery and KCGH Stroke Center, Kobe City General Hospital, 4-6 Minatojima Nakamachi, Chuo-ku, Kobe-shi, Hyogo 650-0046, Japan.

Brain and Nerve = Shinkei Kenkyu No Shinpo
|October 7, 2009
PubMed
Summary

Stents are crucial medical devices for keeping arteries open, offering alternatives for treating carotid artery stenosis and intracranial aneurysms. Research continues to explore their role in managing cerebrovascular diseases.

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Area of Science:

  • Medical Devices
  • Interventional Neurology
  • Vascular Surgery

Context:

  • Stents provide essential scaffolding for vessels and organ walls, maintaining arterial patency.
  • Carotid artery stenting (CAS) is an approved alternative to carotid endarterectomy (CEA) for severe carotid artery stenosis, particularly in high-risk patients.
  • Intracranial atherosclerotic disease and aneurysms are significant cerebrovascular conditions requiring advanced treatment options.

Purpose:

  • To review the application and efficacy of various stent types in managing neurovascular diseases.
  • To highlight the role of self-expanding stents in treating carotid artery stenosis and intracranial aneurysms.
  • To discuss the evolution of endovascular treatments for cerebrovascular conditions.

Summary:

  • Carotid artery stenting (CAS) is indicated for symptomatic stenosis >50% and asymptomatic stenosis >80% in high-surgical-risk patients.
  • Self-expanding stents like Nitinol Precise and Wingspan are used for carotid stenosis, while stents such as Neuroform and Enterprize aid in treating wide-necked aneurysms.
  • Stents facilitate coil packing for aneurysms and enable flow modification for parent artery reconstruction, improving outcomes compared to coils alone.

Impact:

  • Stents offer less invasive treatment options for cerebrovascular diseases, improving patient outcomes.
  • The development of specialized stents has expanded endovascular treatment possibilities for complex neurovascular conditions.
  • Continued research into stent applications promises further advancements in managing stroke and aneurysm recurrence.