King–Kopetzky syndromeking kopetzky syndrome, king syndrome malignant hyperthermia
King–Kopetzky syndrome is an auditory disability characterised by difficulty in hearing speech in the presence of background noise1 in conjunction with the finding of normal hearing test results
It is an example of auditory processing disorder APD 2 or auditory disability with normal hearing ADN
King–Kopetzky syndrome patients have a worse Social Hearing Handicap index SHHI than others, indicating they suffer a significant degree of speech-hearing disability3 The condition is named after Samuel J Kopetzky, who first described the condition in 1948, and P F King, who first discussed the aetiological factors behind it in 19544
It seems that somatic anxiety and situations of stress may be determinants of speech-hearing disability35
Some studies indicated an increased prevalence of a family history of hearing impairment in these patients The pattern of results is suggestive that King-Kopetzky patients may be related to conditions of autosomal dominant inheritance267
It was found that based on sensitized measures of auditory dysfunction and on psychological assessment, Subjects could be subdivided into seven subcategories:8
- middle ear dysfunction
- mild cochlear pathology
- central/medial olivocochlear efferent system MOCS auditory dysfunction
- purely psychological problems
- multiple auditory pathologies
- combined auditory dysfunction and psychological problems
Different subgroups may represent different pathogenic and aetiological factors Thus, subcategorization provides further understanding of the basis of King–Kopetzky syndrome, and hence may guide the rehabilitative management of these patientsThis was suggested by Professor Dafydd Stephens and F Zhao at the Welsh Hearing Institute, Cardiff University9
- Hearing loss
- List of eponymous diseases
- Cocktail party effect
- Dafydd Stephens
- Auditory processing disorder
- ^ Borg E, Stephens D September 2003 "King-Kopetzky syndrome in the light of an ecological conceptual framework" Int J Audiol 42 6: 312–8 PMID 14570238 doi:103109/14992020309101323
- ^ a b Stephens D, Zhao F March 2000 "The role of a family history in King Kopetzky Syndrome obscure auditory dysfunction" Acta Otolaryngol 120 2: 197–200 PMID 11603771 doi:101080/000164800750000900
- ^ a b Zhao F, Stephens D 1996 "Determinants of speech-hearing disability in King-Kopetzky syndrome" Scand Audiol 25 2: 91–6 PMID 8738633
- ^ "Is there an association between noise exposure and King Kopetzky Syndrome" Noise and Health Retrieved 31 July 2010
- ^ King K, Stephens D 1992 "Auditory and psychological factors in 'auditory disability with normal hearing'" Scand Audiol 21 2: 109–14 PMID 1641572
- ^ Liu XZ, Xu L, Newton V "Audiometric configuration in non-syndromic genetic hearing loss" J Audiol Med 3: 99–106
- ^ Van Camp G, Willems PJ, Smith RJ 1997 "Non-syndromic hearing impairment: unparalleled heterogeneity" Am J Genet 60: 758–64
- ^ Zhao F, Stephens D August 2000 "Subcategories of patients with King-Kopetzky syndrome" Br J Audiol 34 4: 241–56 PMID 10997453
- ^ Subcategories of Patients with King-Kopetzky Syndrome
king kopetzky syndrome, king syndrome, king syndrome malignant hyperthermia
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