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Application of Ion-beam Implanted Expanded Polytetrafluoroethylene to Microvascular Decompression and the Surgical Outcome.

Application of Ion-beam Implanted Expanded Polytetrafluoroethylene to Microvascular Decompression and the Surgical Outcome.
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Kato K, Ujiie H, Nakano H, Nomura S, Nakagawa M, Higa T, Kadoyama S, Teramoto A,


Kato K, Ujiie H, Nakano H, Nomura S, Nakagawa M, Higa T, Kadoyama S, Teramoto A, (click to view)

Kato K, Ujiie H, Nakano H, Nomura S, Nakagawa M, Higa T, Kadoyama S, Teramoto A,

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Neurologia medico-chirurgica 2017 09 26() doi 10.2176/nmc.oa.2017-0007
Abstract

Accurate and long-term transposition of offending vessels is required in microvascular decompression (MVD) for the treatment of hemifacial spasm (HFS) and trigeminal neuralgia (TN). We created ion-beam implanted of an expanded-polytetrafluoroethylene (i-ePTFE) surface to transpose offending vessels in MVD. In 13 patients with MVD, we concealed and transposed offending vessels with tape-shaped i-ePTFE, and relieved facial and trigeminal nerve compression by attaching the i-ePTFE to the dura with fibrin glue. After surgery, none of the patients reported further symptoms or experienced recurrence of symptoms up to 12 months post-surgery. Favorable surgical outcomes are obtainable, since i-ePTFE has high tissue affinity and is easy to manipulate, even under a narrow and deep operative field. Our results suggested that i-ePTFE is very useful for transposition in MVD.

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