IN LATE BELL'S PALSY, CAN WE ESTIMATE PROGNOSIS?
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Our purpose is to investigate the electrophysiological characteristics of Bell's palsy and to obtain clues for estimating prognosis in the late period by using electronenrography (ENoG). Thirty patients were followed by ENoG over a period, of three months. They were evaluated through the for ty full score system and classified into three groups according to the de grees of facial'nerve recovery. There were significant differences between ENoG results of each group in the time course between 1.5 and 3.0 months of onset The effect of increasing intensity on the amplitude is the most valid parameter for follow-up prognostic estimation. We concluded that the amount of non-degenerated synchronous firing fibres can allow us to estimate prognosis of Bell's palsy, if we make serial tests.