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Related Experiment Videos

Brain AVM embolization with Onyx.

W J van Rooij1, M Sluzewski, G N Beute

  • 1Department of Radiology, St. Elisabeth Ziekenhuis, Tilburg, The Netherlands. radiol@knmg.nl

AJNR. American Journal of Neuroradiology
|January 11, 2007
PubMed
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Onyx embolization is a feasible and safe treatment for brain arteriovenous malformations (AVMs). This new liquid embolic agent effectively reduces AVM size for further treatment or achieves complete obliteration in smaller AVMs.

Area of Science:

  • Interventional Neuroradiology
  • Neurovascular Surgery
  • Liquid Embolic Agents

Background:

  • Arteriovenous malformations (AVMs) of the brain are complex vascular lesions.
  • Embolization is a key treatment modality for brain AVMs.
  • Evaluating new embolic agents is crucial for improving treatment outcomes.

Observation:

  • A cohort of 44 patients with brain AVMs underwent embolization using Onyx.
  • Procedures involved embolizing feeding pedicles, with an average size reduction of 75%.
  • Clinical presentations varied, including seizures and hemorrhage.

Findings:

  • Onyx embolization demonstrated feasibility and safety in treating brain AVMs.
  • Complete obliteration was achieved in 16% of AVMs.

Related Experiment Videos

  • Partial embolization facilitated subsequent surgical or radiosurgical interventions for larger AVMs.

    • Implications:

    • Onyx offers a viable option for brain AVM embolization.
    • It enables size reduction for multimodal treatment strategies.
    • The agent shows promise for both complete and partial AVM treatment.