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Test-retest tinnitus characteristics in patients with noise-induced hearing loss
Ben I Nageris1, Joseph Attias, Eyal Raveh
1Department of Otolaryngology-Head and Neck Surgery, Rabin Medical Center, Petah Tiqwa, Israel. bennyn@clalit.org.il
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.
