舌下神経‐顔面神経ふん合例の筋電図検査成績

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タイトル別名
  • An Electrophysiological Study of a Case of Hypoglossal-facial Nerve Anastomosis
  • ゼッカ シンケイ ガンメン シンケイ フンゴウレイ ノ キンデンズ ケンサ セ

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説明

A 34-year-old female patient treated with hypoglossal-facial nerve anastomosis was presented with special attention to the electrophysiological findings which had been recorded continuously for 2 years after the anastomosis. The anastomosis was made for the reconstruction of the left facial nerve after a surgical removal of acoustic neurinoma. Electrophysiologically detectable improvement in facial muscles appeared at 120 days and it ceased at day 280 after the anastomosis. The recovery of the function of the facial muscles, however, was not complete. The blink reflex (orbicularis oculi reflex) with a latency of 22 msec could be elicited on the operated side by a single pulse stimulation of the ipsilateral supraorbital branch of the trigeminal nerve.

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