The relationship between high resolution audiometry and tinnitugram in tinnitus patients
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Abstract
Introduction: tinnitus is a high prevalence, idiopathic condition, associated with hearing loss, which cannot be completely evaluated in conventional audiometry. The present study proposes the use of innovative methods for the subjective measurement of tinnitus and hearing thresholds with the use of tinnitugram and microaudiometry (automated audiometry). Objective: to analyzes the relationship between the tonal thresholds of microaudiometry and the tinnitugram. Methodology: a Retrospective descriptive study. Fifty-eight patients with tinnitus were studied between March 2018 and November 2019, with 67 frequency microaudiometry (range of 262-11 840 Hz) and the 134 frequency tinnitugram. A non-parametric test (Mann-Whitney) was used to compare the groups. Results: we found no significant relationship between the frecuency of tinnitus and the frequency of greatest decrease in microaudiometry. The frequency of the highest point of decrease in tonal thresholds was higher in
patients with tinnitus >8000 Hz (22.4 %) than in those <8000 Hz (p = 0.006). Conclusions: the thresholds of microaudiometry are not associated with the subjective characteristics of tinnitus, except in patients with tinnitus at frequencies >8000 Hz.
High frequencies should be included in audiological tests for tinnitus.
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eISSN: 2539-0856
ISSN: 0120-8411
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