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Snare technique of vascular transposition for microvascular decompression--technical note.
Taku Shigeno1, Junichiro Kumai, Masaru Endo
1Department of Neurosurgery, Kanto Rosai Hospital, Kawasaki, Kanagawa. taku-sgn@ja2.so-net.ne.jp
Neurologia Medico-Chirurgica
|May 17, 2002
Summary
A new snare ligature technique using Gore-Tex tape for microvascular decompression (MVD) prevents trigeminal neuralgia (TN) and hemifacial spasm (HFS) recurrence by permanently transposing the offending artery without prostheses.
Area of Science:
- Neurosurgery
- Vascular Surgery
Background:
- Recurrence of trigeminal neuralgia (TN) or hemifacial spasm (HFS) after microvascular decompression (MVD) is a significant clinical challenge.
- Existing MVD techniques often involve prostheses that can adhere to neurovascular structures, leading to symptom recurrence.
Observation:
- A novel snare ligature technique utilizing Gore-Tex tape for arterial transposition was employed.
- This method avoids the need for prostheses by securing the artery and suturing it over the petrous dura.
Findings:
- The technique requires an adequate working space, often necessitating a slightly larger osteoplastic craniotomy.
- In a series of 7 TN and 13 HFS patients, this method resulted in no recurrence during the follow-up period.
- Complete and permanent transposition of the offending artery was achieved.
Implications:
- This Gore-Tex tape snare ligature technique offers a promising solution for achieving durable MVD outcomes.
- It potentially eliminates the risk of prosthesis-related complications and symptom recurrence in TN and HFS patients.
- Further long-term studies are warranted to confirm the durability of this MVD technique.