Test-retest tinnitus characteristics in patients with noise-induced hearing loss.

Am J Otolaryngol

Department of Otolaryngology-Head and Neck Surgery, Rabin Medical Center, Petah Tiqwa, Israel.

Published: July 2010

Purpose: The purpose of the study was to examine the test-retest value of tinnitus pitch and loudness in patients with tinnitus and noise-induced hearing loss (NIHL).

Materials And Methods: The study sample consisted of 30 patients of mean age 35 +/- 6.7 years with long-standing tinnitus and hearing loss due to exposure to noise during military service. Ten patients had unilateral tinnitus, and 20 had bilateral tinnitus. All presented with a typical NIHL audiogram on the affected side(s). None of the patients was receiving drug therapy.

Results: There was no statistically significant difference in tinnitus pitch or loudness between the 2 tests for the whole group and separately in patients with unilateral or bilateral tinnitus.

Conclusion: Subjective testing of pitch and loudness of tinnitus secondary to NIHL is accurate and reproducible, making it a valuable tool for diagnosis and follow-up. The lack of differences between patients with unilateral or bilateral tinnitus indicates that both types may be managed in a similar manner.

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http://dx.doi.org/10.1016/j.amjoto.2008.12.007DOI Listing

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