Document Detail


The ageing ear. A clinico-pathological classification.
MedLine Citation:
PMID:  3694029     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
While it is clear that the majority of the world's population suffers some deterioration of hearing--especially at high frequencies--with the advance of age, it is equally clear that some individuals reach very old age with clinically normal hearing. It is often difficult to separate the biological changes of senility from the effects of auditory environmental changes, and of specific pathological changes associated with specific disease entities. A better understanding of the etiology of presbyacusis is needed. The first step towards this end is the recognition that not all hearing impairment in the aged is due to biological ageing. This is important because hearing loss due to the acceleration of biological and environmental effects (accelerated presbyacusis) may be preventable, while hearing loss due to biological ageing (presbyacusis) is not treatable. The second step is the realization that not all hearing impairment over age 65 is due to ageing. Hearing impairments that are rapidly progressive, profound, asymmetrical, or fluctuating, and those associated with a marked conductive element or severe dizziness might well be associated with specific ear disease (Nosoacusis) such as infection, otosclerosis, Menière's disease, or acoustic tumor. A full neuro-otological evaluation including ABR, CT scan, ENG and others should be done in any patient over 65 suspected of having a specific ear disease. The classification presented demonstrates the need to revise the criteria used in determining 'Presbyacusis Curves'. These provide a reference standard for normal hearing at any age or decade. There are too many variables in the averages obtained from different subjects to make those averages a dependable standard reference.
Authors:
A Belal; A Glorig
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The Journal of laryngology and otology     Volume:  101     ISSN:  0022-2151     ISO Abbreviation:  J Laryngol Otol     Publication Date:  1987 Nov 
Date Detail:
Created Date:  1988-02-02     Completed Date:  1988-02-02     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8706896     Medline TA:  J Laryngol Otol     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1131-5     Citation Subset:  AIM; IM    
Affiliation:
Department of Otolaryngology, EL-Maghraby Hospital, Jeddah, Saudi Arabia.
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MeSH Terms
Descriptor/Qualifier:
Aged
Aging / physiology*
Audiometry, Pure-Tone
Auditory Threshold
Deafness / physiopathology
Ear / physiology*
Humans
Presbycusis / physiopathology

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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