| Vestibular evoked myogenic potential in noise-induced hearing loss. | |
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MedLine Citation:
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PMID: 20603576 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Noise affects one's hearing as well as balance mechanism. The hearing mechanism of the noise-exposed individuals has been extensively studied. However, in view of the poor research focus on the sacculo-collic reflexes, especially in this study area, the present study was undertaken to examine the vestibular evoked myogenic potentials (VEMP) in subjects with noise-induced hearing loss (NIHL). A total of 30 subjects (55 ears) with NIHL participated in the present study within the age range of 30-40 years. VEMP recordings were done at 99 dBnHL using IHS instrument. The results indicated that as the average pure tone hearing threshold increased, the VEMP latencies were prolonged and peak to peak amplitude was reduced in NIHL subjects. Out of the 55 ears, VEMP was absent in 16 (29.0%) ears. The latency was prolonged and the peak to peak amplitude was reduced in 19 (34.6%) ears. VEMP results were normal in 20 (36.4%) ears. Therefore, VEMP was abnormal or absent in 67% of NIHL subjects in the present study. Hence it can be concluded that the possibility of vestibular dysfunction, specially the saccular pathway, is high in individuals with NIHL. VEMP, a non-invasive and user friendly procedure, can be employed in these individuals to assess sacculo-collic reflex. |
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Authors:
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Kaushlendra Kumar; Christina Jean Vivarthini; Jayashree S Bhat |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Noise & health Volume: 12 ISSN: 1463-1741 ISO Abbreviation: Noise Health Publication Date: 2010 Jul-Sep |
Date Detail:
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Created Date: 2010-07-06 Completed Date: 2010-09-23 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9815620 Medline TA: Noise Health Country: India |
Other Details:
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Languages: eng Pagination: 191-4 Citation Subset: IM |
Affiliation:
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Department of Audiology and Speech Language Pathology, KMC (Unit of Manipal University) Mangalore - 575 001, Karnataka, India. kaushaldeepak@gmail.com |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Audiometry, Pure-Tone Auditory Threshold Case-Control Studies Electromyography Evoked Potentials / physiology* Evoked Potentials, Auditory Female Hearing Loss, Noise-Induced / complications* Humans Male Reaction Time Reflex, Acoustic Saccule and Utricle / physiopathology Vestibular Diseases / diagnosis*, etiology, physiopathology* Vestibular Function Tests / methods |
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