顔面痙攣症例に於ける聴覚,平衡系の機能異常の検討

概要

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Twenty four patients with hemifacial spasm underwent thorough examinations consisting of 1). taking subjective symptons (tinnitus and/or dizziness),2). the otoneurological examinations (auditory and equilibrium examinations) and 3). checking the serum lipids. X-rays (air CT and/or VAG) were taken in some cases. Abnormal findings were obtained in 6 patients in the auditory and in 17 patients in equilibrium examinations. Moreover, abnormal findings suggesting brain-stem disorders (elongation of I-V latency in bilateral sides, indefinite V peak in the healthy side, abnormal findings in the oculomotor system (saccadic or ataxic pursuit patterns, diminution or inversion in the horizontal OKN) were obtained in 11 patients. In 3 of them, the enlarged vertebral or basilar arteries were found by X-ray examination. In 3 of them, serum lipids (cholesterol or trigyceride) were high. One of them is medicated for hypertension. Therefore, we conclude that the abnormal otoneurological findings suggesting brain-stem disorders came from [1] brain-stem compression by enlarged vertebral or basilar arteries or [2] arteriosclerosis or hypertensive angiopathy in the brainstem.
耳鼻咽喉科臨床学会の論文