[Recent studies on intracranial stenosis]

I Q Grunwald1, S C Bertog

  • 1NIHR Oxford Biomedical Research Centre, Acute Vascular Imaging Centre, Oxford University Hospitals NHS Trust, Oxford, UK. i.grunwald@gmx.net

Der Radiologe
|November 20, 2012
PubMed

Insights

Symptomatic intracranial stenosis poses a high stroke risk, with medical treatments proving insufficient. Further research into safer percutaneous interventions is needed to reduce stroke risk.

Area of Science:

  • Neurology
  • Interventional Cardiology
  • Medical Technology

Context:

  • Symptomatic intracranial stenoses carry a significant risk of stroke.
  • Current medical management, including antiplatelet and anticoagulant therapies, offers limited risk reduction.
  • There is a critical need for alternative treatment strategies for these patients.

Purpose:

  • To evaluate the potential of percutaneous intervention, specifically balloon angioplasty with or without stenting, for treating symptomatic intracranial stenoses.
  • To review the development and initial promise of intracranial stents.
  • To assess the outcomes of recent randomized trials investigating intracranial stenting.

Summary:

  • Percutaneous interventions using intracranial balloons and stents have been developed as an alternative to medical management for symptomatic intracranial stenoses.
  • Early studies with dedicated intracranial stents showed promise.
  • However, a recent randomized trial reported a high rate of periprocedural complications with a self-expanding intracranial stent.

Impact:

  • Despite limitations in a recent trial, interventional options for symptomatic intracranial stenoses should not be entirely dismissed.
  • The findings emphasize the need for improved technology and patient selection to minimize procedural risks.
  • Safer interventional approaches could significantly reduce the risk of stroke in this challenging patient population.
Abstract

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