正弦波直線加速度刺激による耳石器機能検査法:頭位性めまい症例の耳石器機能についで

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The maculo-ocular reflex related to horizontal sinusoidal linear track accelerations was studied in 21 patients with benign paroxysmal positional nystagmus (BPPN). The linear accelelations were applied by body oscillations with an amplitude of 25 cm, and frequencies of 0.25, 0.33 and 0.5 Hz. Both the amplitude and phase difference of the eye position versus the head position were measured in normal subjects and patients with BPPN. Those values were compared in both groups.<BR>The responses in the patients with BPPN were better than those in normal subjects.<BR>Both significant increase of the amplitude and significant phase lead were observed in the patients with BPPN. (p < 0.05)<BR>These findings indicated that the maculo-ocular reflex in the patients with BPPN should be hyperative.
耳鼻咽喉科臨床学会の論文