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Are EHDI Systems Missing Children With Minimal Hearing Loss?

Are EHDI Systems Missing Children With Minimal Hearing Loss?. National EHDI Meeting 03/04/05 W. June Holstrum, Ph.D Danielle Ross, Ph.D. Prevalence. Difference in Prevalence Estimates. Study population Age of subjects Sample size Method of sampling Population based/Clinical sample

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Are EHDI Systems Missing Children With Minimal Hearing Loss?

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  1. Are EHDI Systems Missing Children With Minimal Hearing Loss? National EHDI Meeting 03/04/05 W. June Holstrum, Ph.D Danielle Ross, Ph.D.

  2. Prevalence

  3. Difference in Prevalence Estimates • Study population • Age of subjects • Sample size • Method of sampling • Population based/Clinical sample • Based on records/interviews/audiological tests • Definitions of hearing loss • Laterality (best/worse ear) • Frequency • dB Threshold

  4. Estimates of HL in Newborns

  5. Possible Explanations for Change is Prevalence (From birth to School Age) • Progressive or late onset • Infections/illnesses, e.g. OME • Trauma • Noise • EHDI system misses

  6. DSHPSHWA Data • Y2003 DSHPSHWA Survey • Data from 27 states • Number born = 1,503,627 • Number Screened = 1,457,639 (96%) • Number Identified = 1,646 (1.1/1000) • Number categorized = 1,252 • 826 Bilateral (66%) • 426 Unilateral (34%) • % Lost to System = 42% (0 – 90%)

  7. Hearing Loss by CategoryUnilateral = 34% Bilateral = 66% Data from Y2003 DSHPSHWA Survey (27 States Reporting)

  8. Mild Unilateral Hearing Loss by State(33% of all Unilateral were Mild)

  9. Mild Bilateral Hearing Loss by State(28% of all Bilateral were Mild)

  10. Possible Explanationsfor Missing Infants with Minimal HL • Technology • Screeners • Lack of interest in minimal hearing loss • Lost to the system • Lack of follow-up of high-risk infants • Emphasis on lowering referral rates

  11. Conclusions(Too many misses - Need more home runs) • Babies with mild and unilateral losses are being missed. • Improve EHDI Systems to • Identity desired level of loss • Reduce lost to the system • Screening needs to be on-going • Need prevalence studies on HL in preschool years.

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