Time of onset of facial nerve palsy

概要

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We used the medical charts of 136 patients seen at Osaka Dental University Hospital and Chibune Hospital during the past 16 years to determine the time of day when facial nerve palsy (FNP) occurred. FNP includes Bell's palsy (BP)and Hunt's syndrome (HS). The morning : afternoon : night ratio of occurrence was 68 : 10 : 27 for BP and 12 : 7 : 12 for HS. While 64.8% of the BP cases occurred in the morning, 38.7% of the HS cases occurred during this time. Our results for BP did not differ greatly from those of other reports. We concluded that BP is closely related to disturbances in the autonomic nervous system (aNS) or circadian rhythm. From this view point, we discussed the mechanism of onset of FNP.
大阪歯科学会の論文