Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
53
pubmed:dateCreated
2001-6-18
pubmed:abstractText
No published data exist for normal values of distortion product otoacoustic emissions (DPOAE) in children at primary levels f1 = 65 dB and f2 = 55 dB SPL. These primary levels have been previously demonstrated to be optimal for identification of hearing impaired ears in adults. A total of 102 normal children underwent audiological assessment, including exclusion of middle ear disease, pure tone audiometry and DPOAE DP-grams (primaries L1/L2 = 65/55 dB SPL, f1:f2 = 1.22). There was a statistically significant decrease in DPOAE amplitude with increasing age. DPOAE amplitude was also dependent on the frequency of f2. However, there was wide inter- and intra-individual variation in DPOAE amplitude at different frequencies of f2. There was also a large overlap between the range of values of DPOAE amplitude between the adjacent age groups. Detailed assessment of DPOAE in children is feasible in the clinical setting. These normal values should prove invaluable in future studies; however, the large range of normal values means that cross-sectional studies may not be able to detect small variations in cochlear function.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
0107-8593
pubmed:author
pubmed:issnType
Print
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
37-43
pubmed:dateRevised
2004-11-17
pubmed:meshHeading
pubmed:year
2001
pubmed:articleTitle
Normal values for distortion product otoacoustic emissions in children: a study using primary levels previously demonstrated to be optimum for identification of hearing loss.
pubmed:affiliation
Department of Paediatric Oncology, Royal Liverpool Children's Hospital (Alder Hey), United Kingdom. Warburton@btinternet.com
pubmed:publicationType
Journal Article