Tympanometric Findings in Children at School Entry: A Normative Study

Kei, Joseph; Hourigan, Alaina; Moore, Kristy; Keogh, Tegan; Driscoll, Carlie

doi:10.1375/audi.27.2.89

Cited by 9 publications

(9 citation statements)

References 16 publications

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“…The 90% range (5th-95th percentiles) for TW in the population of children in the current study (excluding low-admittance tympanograms that have no values) specify 150 daPa (160 daPa if the 95% range is used) similar to previous results (177 daPa) for children 5 and 6 yr old (Kei et al, 2005). These cutoff values are significantly lower than the 250 and 200 daPa cutoff points recommended by current AAA and ASHA guidelines, respectively (AAA, 2011; ASHA, 1997).…”

Section: Discussionsupporting

confidence: 79%

“…The AAA guideline uses a stricter referral criterion of less than 0.2 mmho but as a second-tier criterion when TW is not available. Previous findings have also suggested that the ASHA Y tm cutoff value leads to excessive referrals (Kei et al, 2005). TW was unavailable in only 7.6% of ears in this population.…”

Section: Discussionmentioning

confidence: 58%

“…Because of the fluctuation and variability of tympanometric peak pressure (TPP), it is not considered as an appropriate stand-alone criterion for middle-ear pathologic conditions (Margolis and Heller, 1987;Nozza et al, 1994;Shanks and Shohet, 2008), and the AAA (AAA, 2011) guideline recommends using a -200 daPa criterion only in combination with other findings to indicate abnormality (AAA, 2011). The difference in recommended criteria for tympanometry referral significantly affects screening program performance and requires comparison to determine optimal criteria for specific populations (Bamford et al, 2007;Kei et al, 2005).…”

Section: Introductionmentioning

confidence: 99%

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Tympanometry Screening Criteria in Children Ages 5–7 Yr

Swanepoel¹,

Eikelboom²,

Margolis³

2014

J Am Acad Audiol

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An 80% reduction in tympanometry referrals for children ages 6 and 7 yr compared with children age 5 yr argues for tympanometry as a first-tier screening method in older children only. The impact of regional seasonal influences, representing an increase in referrals as high as 3.5 times from one month to another, should also inform and direct pediatric screening programs for middle-ear functioning and/or hearing loss.

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Section: Discussionsupporting

confidence: 79%

Section: Discussionmentioning

confidence: 58%

Section: Introductionmentioning

confidence: 99%

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Tympanometry Screening Criteria in Children Ages 5–7 Yr

Swanepoel¹,

Eikelboom²,

Margolis³

2014

J Am Acad Audiol

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“…This pressure range was extended from the standard of less than -100 daPa of Jerger's (1970) classification system to accommodate peak pressure fluctuations common in the ears of children that do not develop middle-ear disease (ASHA, 1998;Kei et al, 2005). The participants were also required to have normal otoscopic examination results and normal middle ear function as judged by tympanometry results (static compliance > 0.2 ml and middle ear pressure between +100 and -200 daPa).…”

Section: Inclusion Criteriamentioning

confidence: 99%

High Frequency Pure Tone Audiometry (8–16 kHz) in Children: A Normative Study

Beahan¹,

Kei

Driscoll³

et al. 2009

Australian and New Zealand Journal of Audiology

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Establishing normative high frequency pure tone audiometry (HFPTA) threshold data would assist in monitoring ototoxicity in the paediatric oncology population. The present study aimed to acquire HFPTA (8-16 kHz) data from normally hearing children in a common clinical setting. Participants were 129 normally hearing children (63 males and 66 females), aged between 4 and 13 years (mean = 8.4 years; SD = 2.2 years). HFPTA thresholds at 8, 9, 10, 11.2, 12.5, 14, and 16 kHz were measured using an Interacoustics AC40 audiometer with Koss R/80 high frequency headphones. The results from the normative HFPTA data showed that the mean threshold and standard deviation values increased with frequency. A significant age effect was found with the youngest age group showing poorer HFPTA thresholds than their older counterparts. This indicates that children aged 4 to 6 years require a separate set of norms from children aged 7 years and older.

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“…The following data were collected: ear canal volume (ECV), static compliance (SC), tympanometric peak pressure (TPP) and tympanometric width (TW). A pass in tympanometry was awarded when the tympanogram was characterised by a peak with TPP between +50 and À200 daPa, a static compliance of 0.17-1.0 ml, an ECV of 0.65-1.35 ml and a TW of 90-180 daPa [25]. A fail result was indicated otherwise.…”

Section: Basic Audiological Proceduresmentioning

confidence: 99%