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Erschienen in: Wiener klinische Wochenschrift 11-12/2015

01.06.2015 | original article

Delayed auditory pathway maturation and prematurity

verfasst von: MD Martin Koenighofer, MD Thomas Parzefall, MD Reinhard Ramsebner, PhD Assoc. Prof. Priv. -Doz. Trevor Lucas, MD Ao. Univ. Prof. Klemens Frei

Erschienen in: Wiener klinische Wochenschrift | Ausgabe 11-12/2015

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Summary

Background

Hearing loss is the most common sensory disorder in developed countries and leads to a severe reduction in quality of life. In this uncontrolled case series, we evaluated the auditory development in patients suffering from congenital nonsyndromic hearing impairment related to preterm birth.

Methods

Six patients delivered preterm (25th–35th gestational weeks) suffering from mild to profound congenital nonsyndromic hearing impairment, descending from healthy, nonconsanguineous parents and were evaluated by otoacoustic emissions, tympanometry, brainstem-evoked response audiometry, and genetic testing. All patients were treated with hearing aids, and one patient required cochlear implantation.

Results

One preterm infant (32nd gestational week) initially presented with a 70 dB hearing loss, accompanied by negative otoacoustic emissions and normal tympanometric findings. The patient was treated with hearing aids and displayed a gradual improvement in bilateral hearing that completely normalized by 14 months of age accompanied by the development of otoacoustic emission responses.
Conclusions
We present here for the first time a fully documented preterm patient with delayed auditory pathway maturation and normalization of hearing within 14 months of birth. Although rare, postpartum development of the auditory system should, therefore, be considered in the initial stages for treating preterm hearing impaired patients.
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Metadaten
Titel
Delayed auditory pathway maturation and prematurity
verfasst von
MD Martin Koenighofer
MD Thomas Parzefall
MD Reinhard Ramsebner
PhD Assoc. Prof. Priv. -Doz. Trevor Lucas
MD Ao. Univ. Prof. Klemens Frei
Publikationsdatum
01.06.2015
Verlag
Springer Vienna
Erschienen in
Wiener klinische Wochenschrift / Ausgabe 11-12/2015
Print ISSN: 0043-5325
Elektronische ISSN: 1613-7671
DOI
https://doi.org/10.1007/s00508-014-0653-y