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Anchoring method for hemifacial spasm associated with vertebral artery: technical note.

K Kyoshima1, A Watanabe, Y Toba

  • 1Department of Neurosurgery, Shinshu University School of Medicine, Matsumoto, Japan.

Neurosurgery
|December 22, 1999
PubMed
Summary

A novel surgical technique effectively treats hemifacial spasm by repositioning the vertebral artery using a dural graft. This safe and useful method offers complete symptom relief for patients.

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Area of Science:

  • Neurosurgery
  • Vascular Surgery
  • Neurology

Background:

  • Hemifacial spasm is a neurological disorder characterized by involuntary contractions of facial muscles.
  • Vertebral artery compression is a recognized cause of hemifacial spasm, necessitating surgical intervention.
  • Current surgical approaches aim to decompress the facial nerve from the offending artery.

Observation:

  • A new surgical technique involves creating a dural belt and bridge to transpose the vertebral artery.
  • An aneurysm clip is utilized to secure the transposed vertebral artery to the dural bridge.
  • This method was applied to six patients with hemifacial spasm attributed to vertebral artery abnormalities.

Findings:

  • The surgical technique demonstrated safety and efficacy in all six patients.

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  • Complete resolution of hemifacial spasm was observed in all treated individuals.
  • Follow-up periods ranged from 2 months to over 10 years, confirming sustained results.

    • Implications:

    • This dural graft technique offers a feasible and effective treatment option for hemifacial spasm.
    • It provides a solution for cases involving tortuous, elongated, or enlarged vertebral arteries.
    • The method's success suggests potential for wider application in managing neurovascular compression syndromes.