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Article: Distortion product otoacoustic emissions in neonates and two-month-old infants

TitleDistortion product otoacoustic emissions in neonates and two-month-old infants
Authors
Issue Date1999
PublisherAustralian Academic Press Pty Ltd. The Journal's web site is located at http://www.audiology.asn.au/anzja.htm
Citation
Australian Journal Of Audiology, 1999, v. 21 n. 2, p. 65-76 How to Cite?
AbstractEvoked otoacoustic emissions have potential as a device for mass hearing screening in hospital and community health settings. Although transient evoked otoacoustic emissions have been studied extensively, there is comparatively little information on distortion product otoacoustic emission (DPOAE) in the literature. The aim of this study was to examine and compare the characteristics of DPOAEs found in neonates and two-month-old infants. Twenty fullterm neonates and 20 two-month-old infants were screened using the ILO92 Otodynamics Analyzer. The findings revealed that DPOAE amplitude was significantly higher at most test frequencies in the two-month-old infants than in the neonates. However, this was accompanied by a significant increase in noise floor for the two-month-old group. No significant differences were found in signal-to-noise ratios between the two groups. The results suggest that it may be of clinical benefit to test infants at two months of age rather than at birth provided that subject noise in the older age group can be controlled.
Persistent Identifierhttp://hdl.handle.net/10722/82620
ISSN
2003 SCImago Journal Rankings: 0.111

 

DC FieldValueLanguage
dc.contributor.authorMolloy, Jen_HK
dc.contributor.authorKei, Jen_HK
dc.contributor.authorSmyth, Ven_HK
dc.contributor.authorMcPherson, Ben_HK
dc.contributor.authorYoung, Jen_HK
dc.contributor.authorTudehope, Den_HK
dc.contributor.authorMaurer, Men_HK
dc.contributor.authorRankin, Gen_HK
dc.contributor.authorLatham, Sen_HK
dc.contributor.authorLoscher, Jen_HK
dc.date.accessioned2010-09-06T08:31:25Z-
dc.date.available2010-09-06T08:31:25Z-
dc.date.issued1999en_HK
dc.identifier.citationAustralian Journal Of Audiology, 1999, v. 21 n. 2, p. 65-76en_HK
dc.identifier.issn0157-1532en_HK
dc.identifier.urihttp://hdl.handle.net/10722/82620-
dc.description.abstractEvoked otoacoustic emissions have potential as a device for mass hearing screening in hospital and community health settings. Although transient evoked otoacoustic emissions have been studied extensively, there is comparatively little information on distortion product otoacoustic emission (DPOAE) in the literature. The aim of this study was to examine and compare the characteristics of DPOAEs found in neonates and two-month-old infants. Twenty fullterm neonates and 20 two-month-old infants were screened using the ILO92 Otodynamics Analyzer. The findings revealed that DPOAE amplitude was significantly higher at most test frequencies in the two-month-old infants than in the neonates. However, this was accompanied by a significant increase in noise floor for the two-month-old group. No significant differences were found in signal-to-noise ratios between the two groups. The results suggest that it may be of clinical benefit to test infants at two months of age rather than at birth provided that subject noise in the older age group can be controlled.en_HK
dc.languageengen_HK
dc.publisherAustralian Academic Press Pty Ltd. The Journal's web site is located at http://www.audiology.asn.au/anzja.htmen_HK
dc.relation.ispartofAustralian Journal of Audiologyen_HK
dc.titleDistortion product otoacoustic emissions in neonates and two-month-old infantsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1443-4873&volume=21&spage=65&epage=76&date=1999&atitle=Distortion+product+otoacoustic+emissions+in+neonates+and+two-month-old+infantsen_HK
dc.identifier.emailMcPherson, B: dbmcpher@hkucc.hku.hken_HK
dc.identifier.authorityMcPherson, B=rp00937en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-0033387181en_HK
dc.identifier.hkuros53490en_HK
dc.identifier.volume21en_HK
dc.identifier.issue2en_HK
dc.identifier.spage65en_HK
dc.identifier.epage76en_HK
dc.identifier.scopusauthoridMolloy, J=36784591600en_HK
dc.identifier.scopusauthoridKei, J=7003334206en_HK
dc.identifier.scopusauthoridSmyth, V=7003542460en_HK
dc.identifier.scopusauthoridMcPherson, B=7006800770en_HK
dc.identifier.scopusauthoridYoung, J=7408528062en_HK
dc.identifier.scopusauthoridTudehope, D=7005259605en_HK
dc.identifier.scopusauthoridMaurer, M=7101688472en_HK
dc.identifier.scopusauthoridRankin, G=7101614818en_HK
dc.identifier.scopusauthoridLatham, S=7006689337en_HK
dc.identifier.scopusauthoridLoscher, J=6603489225en_HK

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