顔面神経麻痺と瞬目反射

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タイトル別名
  • BLINK REFLEX IN FACIAL PARESIS
  • ガンメン シンケイ マヒ ト シュンモク ハンシャ
  • [Blink reflex in facial paresis (author's transl)].

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A clinical study was made of electrically elicited blink reflexes in facial paresis. Nineteen patients of facial paresis of various origins such as Bell's palsy, Ramsay-Hunt's syndrome or others were subjected to the long-term serial study and the results obtained were as follows:<br> 1) If the early component (R1) of the reflex response was elicited within two weeks after the onset of the paresis, or it appeared within 4 weeks after the onset and its latency recovered to the normal range within the following several weeks, the prognosis was found to be good in general.<br> 2) As a recovery sign of the reflex response pattern, the first appearence of the late component (R2) was the most important in the majority of cases, and a significant relationship was observed between enhancement of the amplitude of the spike potential and the degree of functional recovery of the mimic muscles.<br> 3) In most patients with synkinesis, R1 was recorded simultaneously in both orbicularis oculi and oris muscles on the same side.<br> 4) In those patients in which R1 first appeared over 6 weeks after the onset of the disease and there was delayed reconvalecense in its latency, typical synkinesis was frequently observed.

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