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Predictive Accuracy of Wideband Absorbance under Various Pressure Conditions in Identifying Infants with a Conductive Hearing Loss.

Objective The objectives of the study were to (i) evaluate the effectiveness of wideband absorbance (WBA) at ambient pressure (WBA amb), tympanic peak pressure (WBA TPP), and 0 daPa (WBA 0) to identify conductive hearing loss (CHL) in infants and (ii) compare the sensitivity and specificity of the t...

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Publicado en:Journal of the American Academy of Audiology Vol. 35; no. 7/8; pp. 193 - 204
Autores principales: Aithal, Sreedevi, Aithal, Venkatesh, Kei, Joseph, Wilson, Matthew
Formato: research tables/charts Journal Article
Publicado: Thieme Medical Publishing Inc. Jul2024
Acceso en línea:Ver este registro en EBSCOhost
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      dt: Jul2024
      vid: 35
      iid: 7/8
      pid: 2811
      pub: Thieme Medical Publishing Inc.
      place: New York, New York
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        atl: Predictive Accuracy of Wideband Absorbance under Various Pressure Conditions in Identifying Infants with a Conductive Hearing Loss.
      aug:
        au:
          Aithal, Sreedevi
          Aithal, Venkatesh
          Kei, Joseph
          Wilson, Matthew
        affil: Department of Audiology, Townsville University Hospital, Townsville, Queensland, Australia
      sug:
        subj:
          Hearing Loss, Conductive Diagnosis
          Hearing Loss, Conductive Therapy
          Diagnosis, Ear
          Acoustic Impedance Tests Evaluation
          Treatment Outcomes
          Human
          Funding Source
          Female
          Male
          Infant
          Infant, Newborn
          Descriptive Statistics
          Data Analysis Software
          Comparative Studies
          Secondary Analysis
          Post Hoc Analysis
          Auditory Threshold
          Evoked Potentials, Auditory, Brainstem
          Academic Medical Centers
          Predictive Value of Tests
          Otoacoustic Emissions, Spontaneous
          Sensitivity and Specificity
          Pressure
          Analysis of Variance
          ROC Curve
          Confidence Intervals
          Infant: 1-23 months
          Infant, Newborn: birth-1 month
          Female
          Male
      ab: Objective The objectives of the study were to (i) evaluate the effectiveness of wideband absorbance (WBA) at ambient pressure (WBA amb), tympanic peak pressure (WBA TPP), and 0 daPa (WBA 0) to identify conductive hearing loss (CHL) in infants and (ii) compare the sensitivity and specificity of the three WBA tests with that of high-frequency tympanometry (HFT) and transient-evoked otoacoustic emissions (TEOAE). Method A total of 31 ears with hearing thresholds no greater than 20 dB HL (reference group from 20 infants [mean age: 3.1 weeks]) and 47 ears with CHL from 31 infants (mean age: 3.4 weeks) were included in the study. Hearing threshold was determined using air-conduction tone-burst auditory brainstem response (TB-ABR) test, whereas CHL was determined using both air- and bone-conduction TB-ABR tests. HFT with a 1000-Hz probe tone, TEOAE, and WBA tests were conducted on all participants. Results WBA amb, WBA TPP , and WBA 0 of the CHL group were significantly lower than that of the reference group across a wide frequency range. Area under the receiver operating characteristic (AROC) curve for detecting CHL varied from 0.51 to 0.9 depending on the frequency. The highest AROC was obtained at 1.25 kHz for WBA amb (0.79), at 1.5 kHz for WBA TPP (0.9) and at 1 kHz for WBA 0 (0.80). The sensitivity and specificity were 0.98 and 0.45, respectively for HFT, and 1.0 and 0.6, respectively for TEOAE. In comparison, the WBA test had slightly lower sensitivity but higher specificity than the HFT and TEOAE tests. Conclusion WBA TPP at 1.5 kHz can identify CHL in infants as good as, if not more accurately than, WBA amb or WBA 0. WBA TPP test had good balance of high sensitivity and specificity compared with HFT and TEOAE. The three WBA tests are useful tools for identifying CHL in infants under 6 weeks of age.
      pubtype: Academic Journal
      doctype:
        research
        tables/charts
        Journal Article
      ougenre: Article
    language: English
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