Presentation on theme: "Tympanometry Protocols Used In Early Intervention Services In the United States: A Pilot Survey of Early Intervention and Pediatric Audiologists Wendy."— Presentation transcript:
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? Is the 1000 Hz probe tone in use? Audiologists 1000 Hz probe tone knowledge?
Our Respondents Sent survey via on: EHDI listserve Educational Audiology Association listserve AAA SoundOff listserve 153 audiologists responded
The Survey Began with demographics 13% male; 87% female 35 states, Washington D.C., and the Commonwealth of the Marina Islands represented
Demographics – Highest Degree
Demographics – Practice Setting
Experience with Pediatrics
Experience with 0-3 Year Olds
Experience – How Many Children Per Week?
Probe Tones by Age
1000 Hz Tympanometry
Parameters - Pump Speed
Parameters – Sweep Pressure Direction
Parameters - Starting Pressure
Parameters – Stopping Pressure
Parameters – Use of Tympanometric Width
Parameters – Type of Display Used
Parameters – Type of Immittance Used
Parameters used to Determine if Tympanogram is Normal
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
1000 Hz Tympanometry Knowledge
1000 Hz Probe Tone Use
Is 1000 Hz Tympanometry Useful With Children 0-6 Months?
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).
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