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Title
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A systematic review of hearing and vestibular function in carriers of the Pro51Ser mutation in the COCH gene
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Author
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Abstract
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| Background and objectives The Pro51Ser (P51S) COCH mutation is characterized by a late-onset bilateral sensorineural hearing loss (SNHL) and progressive vestibular deterioration. The aim of this study was to carry out a systematic review of all reported hearing and vestibular function data in P51S COCH mutation carriers and its correlation with age. Materials and methods Scientific databases including Medline, Cochrane Database of Systematic Reviews, Cochrane Central Register of Controlled Trials, ISI Web of Knowledge, and Web of Science were searched to accumulate information about hearing outcome and vestibular function. Eleven genotype-phenotype correlation studies of the P51S COCH variant were identified and analyzed. Results The SNHL starts at the age of 32.8 years. The Annual Threshold Deterioration is 3 decibel hearing loss (dB HL) per year (1-24 dB HL/year). Profound SNHL was observed at 76 years on average (60-84 years). 136 individual vestibular measurements were collected from 86 carriers. The onset of the vestibular dysfunction was estimated around 34 years (34-40 years), and vestibular deterioration rates were higher than those of the SNHL, with complete bilateral loss observed between 49 and 60 years. Conclusion Both audiometric and vestibular data were processed with much different methodologies and pre-symptomatic P51S carriers were systematically underrepresented. Further delineation of this correlation would benefit cross-sectional and longitudinal study involving all (pre-symptomatic and symptomatic) P51S carriers. |
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Language
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English
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Source (journal)
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European archives of oto-rhino-laryngology / European Federation of Oto-Rhino-Laryngological Societies; European Laryngological Society. - Berlin, 1990, currens
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Publication
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New york
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Springer
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2019
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ISSN
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0937-4477
[print]
1434-4726
[online]
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DOI
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10.1007/S00405-019-05322-X
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Volume/pages
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276
:5
(2019)
, p. 1251-1262
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ISI
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000464861500001
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Pubmed ID
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30806805
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Full text (Publisher's DOI)
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Full text (open access)
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Full text (publisher's version - intranet only)
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