Document Detail

The role of tinnitus evaluation tests in differentiating functional versus organic tinnitus.
MedLine Citation:
PMID:  17967644     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: To evaluate the usefulness of tinnitus tests in differentiating patients with functional tinnitus from patients with organic tinnitus. DESIGN: One hundred ninety-six patients with tinnitus were divided into 2 groups. Forty-three patients, group 1, were not exposed to noise and had sensorineural hearing loss. One hundred fifty-three patients, group 2, were exposed to noise and claimed disability. All the patients underwent 4 tinnitus evaluation tests: pitch matching, intensity matching, residual inhibition, and tinnitus masking. We compared the results of the tinnitus tests between the 2 groups. RESULTS: Group 1 patients had a high-frequency, low-intensity tinnitus that tended to be more inhibited by narrow-band noise, was usually consistent with type I Feldman masking curve, and could be effectively masked. Group 2 patients had tinnitus that could not be characterized. The results of the tinnitus tests were significantly different between the groups. CONCLUSION: Tinnitus tests may help us differentiate functional tinnitus that is not of cochlear origin from genuine tinnitus.
Nili Tal Segal; Max Puterman; Mark Shkolnik; Alexander Niv; Daniel Kaplan; Anat Kochva; Mordechai Kraus
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery     Volume:  137     ISSN:  0194-5998     ISO Abbreviation:  Otolaryngol Head Neck Surg     Publication Date:  2007 Nov 
Date Detail:
Created Date:  2007-10-30     Completed Date:  2007-12-18     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508176     Medline TA:  Otolaryngol Head Neck Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  772-5     Citation Subset:  IM    
Department of Otolaryngology-Head and Neck Surgery, Soroka University Medical Center, Ben Gurion University of the Negev, Negev, Beer Sheva, Israel.
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MeSH Terms
Aged, 80 and over
Diagnosis, Differential
Middle Aged
Perceptual Masking
Pitch Perception
Tinnitus / diagnosis*,  etiology,  physiopathology

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