Repeated acute low-tone sensorineural Hearing loss

DOI
  • HIRAO Takashi
    Department of Otolaryngology, Yokosuka North Mutual Hospital
  • HIRATA Kayoko
    Department of Otolaryngology, Yokosuka North Mutual Hospital
  • TSUKUDA Mamoru
    Department of Otolaryngology, Yokohama City University School of Medicine

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Other Title
  • 反復する低音障害型感音難聴10例の検討

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Description

The records of 10 cases with repeated acute low-tone sensorineural hearing loss (repeated ALHL) at Yokosuka North Mutual Hospital from May, 1995 through October, 1998 were investigated regarding clinical statues and a cause. Of these patient, 3 were males and 7 were females. Their average age was 40.4 years. As the initial symptoms, most patients had ear fullness and/or tinnitus. The frequency of recurrent attacks ranged from twice to ten times. The intervals until next attacks ranged from 2 days to 23 months. After follow-up, one patient was diagnosed as Meniere's disease. Regarding the prognosis of 8 patients who have been followed up for more than three months were as follows: 6 cases were cured and 2 cases showed an improvement. Two of three cases showed positive responses in the glycerol test, thut suggesting that endolymphatic hydrops in the cochlea exists in cases of repeated ALHL.

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