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对15例确诊为轻型甲状腺功能低下患者进行了眼震电图及耳蜗电图检查,发现有5例眼震电图表现为单侧或双侧半规管功能减退或麻痹,5例耳蜗电图表现单耳或双耳-SP 增高,-SP/AP 比值大于0.4的正常范围上限,其中4例两项检查同时有异常,结果提示部份甲低患者在局部有内耳迷路的水肿。甲低患者以眩晕或半规管功能减退等有关症状而就诊者并不多,但以灵敏的客观检查可证实甲低患者内耳损伤的发生率比以往认识为高,且可发现轻症患者潜在的病理改变。
15 cases of patients diagnosed as having mild hypothyroidism underwent electronystagmography and cochleography, found that 5 cases of electronystagmography showed unilateral or bilateral semicircular canal dysfunction or paralysis, and 5 cases of cochlear electrocardiogram Ear or binaural-SP increased, -SP / AP ratio is greater than the upper limit of the normal range of 0.4, of which 4 cases of both checks also have abnormalities, the results suggest that some patients with hypothyroidism local labyrinthine edema. Patients with hypothyroidism or dizziness or semicircular canal dysfunction and other symptoms and the treatment of patients is not much, but the sensitive objective examination can be confirmed in patients with hypothyroidism, the incidence of inner ear damage was higher than in the past, and can be found in patients with mild underlying pathology change.