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Updated: Jun 2, 2026
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Neonatal Murine Cochlear Explant Technique as an In Vitro Screening Tool in Hearing Research
Published on: June 8, 2017
[Do infants treated in the neonatal intensive care unit need multi-stage, universal hearing screening testing?]
Tomasz Tomasik1, Janusz Godek, Przemko Kwinta
1Klinika Chorób Dzieci, Uniwersytecki Szpital Dzieciecy w Krakowie. tomek.tomasik@gmail.com
Przeglad Lekarski
|May 14, 2011
Summary
Neonatal intensive care unit (NICU) infants have a higher risk of hearing loss. Further audiology diagnostics are recommended due to the limitations of initial hearing screening tests for these vulnerable newborns.
Area of Science:
- Neonatal care
- Audiology
- Public health
Background:
- Neonatal intensive care unit (NICU) infants face multiple risk factors for hearing loss.
- Universal hearing screening is crucial for this high-risk population.
Purpose of the Study:
- To analyze hearing test results in NICU patients across screening stages.
- To evaluate the significance of hearing loss risk factors in this population.
Main Methods:
- Screened 851 NICU infants using TEOAE and ABR tests.
- Employed multivariate logistic regression to identify hearing loss risk factors.
- Analyzed data from 679 infants in the first stage and 579 in the second stage.
Main Results:
- 2.1% of infants (11/519) exhibited hearing impairment (sensorineural or mixed).
- Independent risk factors identified: low 1st-minute Apgar score, congenital TORCH infections, and craniofacial anomalies.
- First-stage TEOAE test sensitivity was 82%, specificity 70%, PPV 6.2%, and NPV 99%.
Conclusions:
- Hearing impairment is more frequent in NICU graduates than the general newborn population.
- The initial hearing screening test's sensitivity, specificity, and positive predictive value are insufficient.
- Comprehensive audiology evaluations are essential for NICU infants post-screening.
