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  • Title: [The time parameters of the stapedius reflex. The normal results].
    Author: Bacciu S, Pasanisi E, Zanangeli G, Guida M, Fava G.
    Journal: Acta Biomed Ateneo Parmense; 1995; 66(1-2):45-51. PubMed ID: 7502612.
    Abstract:
    The evaluation of the temporal characteristics of the acoustic stapedius reflex is one the fundamental aspects of the impedance audiometry, since significant biological information to be used as sensitive indicators of distinctive pathologies can be obtained. At the Audiology Service of the E.N.T. Department of Parma four parameters of the acoustic stapedius reflex have been studied (onset latency, latency at 10% of the maximum amplitude, rise time, offset latency) in a group of people having normal ears without previous otological problems, with the aim to establishing some rules. The equipment used is the Madsen Impedenzometro ZO 174 which enables to obtain an average among a desired number of reflex responses. The report shows the value of the four parameters of the stapedius reflex obtained from the study of 10 normoacusic patients totalling 20 ears. The resulting guidelines can make up the basis for further research in pathological cases with cochlear, neural and central lesions.
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