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  • Title: The use of electrocochleography in the diagnosis of Meniére's disease.
    Author: Gibson WP.
    Journal: Acta Otolaryngol Suppl; 1991; 485():46-52. PubMed ID: 1843171.
    Abstract:
    The use of transtympanic electrocochleography (ECochG) is discussed in the diagnosis of endolymphatic hydrops. The electrophysiological concepts which may explain the finding of an increased negative summating potential (SP) in human recordings are discussed. The click SP/AP ratio and the absolute values of the 1 kHz 90 dB NHL tone burst were obtained in 42 normal ears, 48 sensory ears and 80 Meniére's ears and compared. It was found that the use of a 1 kHz tone burst increased the accuracy of diagnosis especially in ears with a hearing loss of less than 40 dB NHL from a false negative level of 54% (click SP/AL) to 23% (1 kHz tone burst SP). It was concluded that the 1 kHz tone bursts improved the accuracy of transtympanic electrocochleography in the diagnosis of Meniére's disease.
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