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Related Experiment Videos

Balloon-assisted coil placement in wide-necked aneurysms. Technical note

D I Levy1, A Ku

  • 1Divisions of Neurosurgery, Allegheny University of the Health Sciences, Pittsburgh, Pennsylvania, USA.

Journal of Neurosurgery
|April 1, 1997
PubMed
Summary

This study introduces a balloon-assisted technique for treating wide-necked saccular intracranial aneurysms when standard coiling fails. This method improves coil placement safety for ophthalmic artery aneurysms in non-surgical candidates.

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Area of Science:

  • Neurosurgery
  • Interventional Neuroradiology
  • Vascular Neurology

Background:

  • Saccular intracranial aneurysms are a significant cause of morbidity and mortality.
  • Surgical intervention is the gold standard, but not always feasible.
  • Electrolytically detachable coils offer an alternative to medical management alone.

Observation:

  • Two cases of ophthalmic artery aneurysms with wide necks presented challenges for standard Guglielmi detachable coil placement.
  • Aneurysms measured 7 mm and 4 mm, with wide neck-to-sac ratios.
  • Initial attempts at coil embolization were unsuccessful due to coil herniation risk.

Findings:

  • A balloon-assisted technique, involving temporary parent artery occlusion with a nondetachable balloon, enabled safe coil placement.

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  • Coils were successfully deployed without herniation once the balloon was deflated.
  • Both patients experienced embolic symptoms post-procedure, with one resulting in a mild permanent deficit.

    • Implications:

    • This technique provides a viable option for complex wide-necked aneurysms in patients unsuitable for surgery.
    • It increases technical difficulty and procedural risk compared to standard coiling.
    • Further research may refine this technique for broader application in challenging aneurysm cases.