急性低音障害型感音難聴再発例の平成１２，１３年全国疫学調査

DOI 被引用文献10件 参考文献15件

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  • Results of Nationwide Epidemiological Surveys in 2000-2001 on Recurrent Cases of Acute Low-Tone Sensorineural Hearing Loss

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New criteria have been propose for acute low-tone sensorineural hearing loss (ALHL) by the Research Committee on Acute Profound Deafness of the Ministry of Health, Labor and Welfare of Japan, and nationwide epidemiological surveys based on these criteria were conducted in 2000-2001. We especially investigated recurrent cases of ALHL. The results in 96 cases, including 5 cases of bilateral hearing loss were analyzed for two years. All curative percentage of recurrent cases about full recovery and better recovery in regard to the criteria is 68%. The outcome of hearing was better in patients who consulted a physician within a week after the onset of the recurrence. No significant differences were noted in other factors, i.e., sex, age, severity of hearing loss at the time of the examination for recurrence or recurrent time during the first attack. The specification of recurrent cases is that the percentage of cases cleared for the criteria at recurrent attack (cleared at first attack) are about 60% in recurrent cases.

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