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Tympanometry Protocols Used In Early Intervention Services In the United States: A Pilot Survey of Early Intervention and Pediatric Audiologists. Wendy D. Hanks, Ph.D. Molly A. Kinder, M.S. Gallaudet University. The Purpose. What tympanometry protocols are being used?

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wendy d hanks ph d molly a kinder m s gallaudet university

Tympanometry Protocols Used In Early Intervention Services In the United States: A Pilot Survey of Early Intervention and Pediatric Audiologists

Wendy D. Hanks, Ph.D.

Molly A. Kinder, M.S.

Gallaudet University

the purpose
The Purpose
  • What tympanometry protocols are being used?
  • Is the 1000 Hz probe tone in use?
  • Audiologist’s 1000 Hz probe tone knowledge?
our respondents
Our Respondents
  • Sent survey via email on:
    • EHDI listserve
    • Educational Audiology Association listserve
    • AAA “SoundOff” listserve
  • 153 audiologists responded
the survey
The Survey
  • Began with demographics
    • 13% male; 87% female
    • 35 states, Washington D.C., and the Commonwealth of the Marina Islands represented
current studies and data
Current Studies and Data
  • In 2003, two studies published with normative data for 1000 Hz tympanometry
    • Kei et al., 2003
      • SAA compensated at +200 daPa
      • Refer if SAA less than .39 ml
    • Margolis et al., 2003
      • SAA compensated at -400 da Pa
      • Refer if SAA less than .6 ml
additional information 26 of 153 respondents
1000 Hz tympanometry is crucial/important in the testing of young children (6)

Do not have the capability of 1000 Hz probe tone (7)

Interpretation of 1000 Hz can be difficult (4)

The protocol for using immittance was described (3)

1000 Hz data is needed (2)

Use 1000 Hz as a cross check only (1)

226 Hz can be used reliably with the infants population (1)

“Could not answer all the technical questions (1)

"I work part-time and don't see many children (1).

Additional Information26 of 153 respondents
conclusions
Conclusions –
  • Further study of this topic is needed
  • More training on the appropriate use of tympanometry is needed
  • 1000 Hz tympanometry normative data should be used consistently