前庭神経炎の温度性眼振反応とGalvanic Body Sway Testの推移からみた診断上の問題点

概要

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Follow-up observation of caloric test and galvanic body sway test (GBST) of patients with vestibular neuronitis was performed. All of patients showed uni- or bilateral reduced responses of caloric test and GBST. Although reduced caloric responses remained on the period of observation in all patients, the duration up to recovery of GBST was very various. The shortest term for recovery was 13 days after onset and it was extremely short than previous reports. On the other hand there was a case whose reduced GBST responses still remained after one year. It was suggested that degree of vestibular neuronitis was very various and if a term from an onset to an equilibrium examination was long, slight disorders of retro-labyrinthine lesions by vestibular neuronitis might not be detectable. The number of retro-labyrinthine disorders including vestibular neuronitis might be more than that has been considered.
耳鼻咽喉科臨床学会の論文