Middle Ear Function Measures From Single Component Tympanometry to Wideband Acoustic Immittance This paper highlights collective research findings about middle ear measures using standard single- and multi-frequency tympanometry measures and wideband acoustic immittance (WAI) measurements, including wideband energy reflectance and wideband absorbance tympanometry. The paper also provides a review of normative and pathological findings with WAI measures. Current research suggests that WAI ... Article
Article  |   June 29, 2017
Middle Ear Function Measures From Single Component Tympanometry to Wideband Acoustic Immittance
Author Affiliations & Notes
  • Wafaa A. Kaf
    Communication Sciences and Disorders Department, Missouri State University, Springfield, MO
  • Mohamed Fawzy
    Hearing & Balance Clinic, ENT Department, Dubai Hospital, Dubai, United Arab Emirates
  • Disclosures
    Disclosures ×
  • Financial: Wafaa A. Kaf has no relevant financial interests to disclose. Mohamed Fawzy has no relevant financial interests to disclose.
    Financial: Wafaa A. Kaf has no relevant financial interests to disclose. Mohamed Fawzy has no relevant financial interests to disclose.×
  • Nonfinancial: Wafaa A. Kaf has no relevant nonfinancial interests to disclose. Mohamed Fawzy has no relevant nonfinancial interests to disclose.
    Nonfinancial: Wafaa A. Kaf has no relevant nonfinancial interests to disclose. Mohamed Fawzy has no relevant nonfinancial interests to disclose.×
Article Information
Hearing Disorders / Part 1
Article   |   June 29, 2017
Middle Ear Function Measures From Single Component Tympanometry to Wideband Acoustic Immittance
Perspectives of the ASHA Special Interest Groups, June 2017, Vol. 2, 37-49. doi:10.1044/persp2.SIG6.37
History: Received March 10, 2017 , Revised April 16, 2017 , Accepted April 17, 2017
Perspectives of the ASHA Special Interest Groups, June 2017, Vol. 2, 37-49. doi:10.1044/persp2.SIG6.37
History: Received March 10, 2017; Revised April 16, 2017; Accepted April 17, 2017

This paper highlights collective research findings about middle ear measures using standard single- and multi-frequency tympanometry measures and wideband acoustic immittance (WAI) measurements, including wideband energy reflectance and wideband absorbance tympanometry. The paper also provides a review of normative and pathological findings with WAI measures. Current research suggests that WAI measures provide faster and more accurate assessment of middle ear status than standard tympanometry measures in both infants and adults. WAI measures assess the middle ear across a wide range of frequencies, which help with differential diagnoses of middle ear disorders. With this new advance in middle ear measures and promising research findings, audiologists are encouraged to incorporate WAI measures in the basic audiologic test battery as a screening and a diagnostic tool for middle ear disorders and for newborn hearing screening.

Acknowledgements
The authors would like to thank Ms. Elizabeth Mueller for her assistance in gathering literature for this paper, and Ms. Stephanie Scott for her assistance in proofreading the manuscript.
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