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Related Experiment Videos

Interventional neuroradiology.

J M Jacobs1

  • 1Department of Radiology, University of Utah Medical Center, Salt Lake City 84132.

Current Opinion in Radiology
|February 1, 1991
PubMed
Summary
This summary is machine-generated.

New endovascular techniques and devices, including silicone balloons and advanced catheters, offer effective treatment for various cerebrovascular malformations and aneurysms. These innovations improve procedural success and patient outcomes in neurointerventional radiology.

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Area of Science:

  • Neurointerventional Radiology
  • Vascular Surgery
  • Medical Device Engineering

Background:

  • Direct carotid cavernous fistulas, dural arteriovenous malformations, cerebral arteriovenous malformations, and intracranial aneurysms present complex treatment challenges.
  • Traditional surgical approaches may have limitations, necessitating the development of less invasive endovascular strategies.
  • Advances in catheter technology and embolic agents are crucial for improving the efficacy and safety of endovascular interventions.

Purpose of the Study:

  • To review recent advancements in endovascular treatment modalities for cerebrovascular malformations and aneurysms.
  • To highlight the role of new devices, embolic materials, and monitoring techniques in neurointerventional procedures.
  • To assess the efficacy and safety of endovascular approaches as alternatives or adjuncts to surgical interventions.

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Main Methods:

  • Utilized novel silicone balloons for endovascular treatment of direct carotid cavernous fistulas.
  • Employed arterial and venous approaches for embolization of dural arteriovenous malformations.
  • Investigated new catheter systems (e.g., Tracker catheter) and embolic substances for cerebral arteriovenous malformations.
  • Incorporated pressure monitoring with microcatheters and sodium amobarbital for physiologic assessment.
  • Applied endovascular techniques, including thrombogenic coils and silicone balloon angioplasty, for intracranial aneurysms and vasospastic vessels.

Main Results:

  • Complete closure of carotid cavernous fistulas with parent vessel preservation was frequently achieved using silicone balloons.
  • Successful embolization of dural arteriovenous malformations was demonstrated via both arterial and venous routes.
  • Endovascular treatment of intracranial aneurysms showed high occlusion rates (77.4%–91%) with acceptable mortality (1.7%–17.9%).
  • A new silicone balloon catheter system proved effective for intraluminal angioplasty of vasospastic vessels.
  • Preoperative embolization was found to facilitate surgical removal of cerebral arteriovenous malformations.

Conclusions:

  • Recent engineering of silicone balloons enables effective endovascular treatment of direct carotid cavernous fistulas.
  • Advanced catheter technologies and embolic agents are expanding endovascular treatment options for complex cerebrovascular lesions.
  • Endovascular interventions are a viable and often preferred alternative for managing intracranial aneurysms, particularly when surgery is contraindicated.