Newborn hearing screening at a community-based obstetric unit : screening and diagnostic outcomes

dc.contributor.authorDe Kock, Tersia
dc.contributor.authorSwanepoel, De Wet
dc.contributor.authorHall, James Wilbur
dc.contributor.emaildewet.swanepoel@up.ac.zaen_ZA
dc.date.accessioned2016-05-10T05:55:11Z
dc.date.issued2016-05
dc.description.abstractOBJECTIVE : Postnatal visits at community-based midwife obstetric units (MOUs) have been proposed as an alternative primary healthcare screening platform in South Africa. This study evaluated the outcomes of distortion product otoacoustic emissions (DPOAEs) and automated auditory brainstem response (AABR) screening conducted by a dedicated non-professional screener at a community-based MOU in the Western Cape, South Africa. METHODS : Universal newborn hearing screening (UNHS) at a community-based MOU was evaluated over a 16-month period. A dedicated non-professional screener was trained to follow a two-stage screening protocol targeting bilateral hearing loss. A two group comparative design was used alternating AABR (Maico MB11 BERAphoneTM) and DPOAE (Bio-logic AuDX I) technology on a daily basis. Infants referring the initial screen received a follow-up appointment in two days’ time and were rescreened with the same technology used at their first screen. Those referring the second stage were booked for diagnostic assessments. RESULTS : 7452 infants were screened including 47.9% (n = 3573) with DPOAE and 52.1% (n = 3879) with AABR technology. Mean age at first stage screen was 6.1 days. The initial bilateral referral rate was significantly lower for AABR (4.6%) compared to DPOAE (7.0%) and dropped to 0.3% and 0.7% respectively following the second stage screenings. First rescreen and initial diagnostic follow-up rates of 90% and 92.3% were obtained for the DPOAE group and 86.6% and 90% for the AABR group. Follow-up rates showed no significant difference between technology groups. Diagnostic assessment revealed a higher prevalence rate for bilateral SNHL among the AABR group (1/1000) compared to the DPOAE group (0.3/ 1000). Screening technology had no significant influence on daily screening capacity (23 AABR/day; 24 DPOAE/day). CONCLUSIONS : Postnatal visits at community-based MOUs create a useful platform for hearing screening and follow-up. AABR technology with negligible disposable costs provides opportunity for AABR screening to be utilised in community-based programmes. AABR screening offers lower initial referral rates and a higher true positive rate compared to DPOAE.en_ZA
dc.description.departmentSpeech-Language Pathology and Audiologyen_ZA
dc.description.embargo2017-05-31
dc.description.librarianhb2016en_ZA
dc.description.urihttp://www.elsevier.com/locate/ijporlen_ZA
dc.identifier.citationDe Kock, T, Swanepoel, D & Hall, JW 2016, 'Newborn hearing screening at a community-based obstetric unit : screening and diagnostic outcomes', International Journal of Pediatric Otorhinolaryngology, vol. 84, pp. 124-131.en_ZA
dc.identifier.issn0165-5876 (print)
dc.identifier.issn1872-8464 (online)
dc.identifier.other10.1016/j.ijporl.2016.02.031
dc.identifier.urihttp://hdl.handle.net/2263/52544
dc.language.isoenen_ZA
dc.publisherElsevieren_ZA
dc.rights© 2016 Elsevier Ireland Ltd. All rights reserved. All rights reserved. Notice : this is the author’s version of a work that was accepted for publication in International Journal of Pediatric Otorhinolaryngology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in International Journal of Pediatric Otorhinolaryngology, vol. 84, pp. 124-131, 2016. doi : 10.1016/j.ijporl.2016.02.031.en_ZA
dc.subjectDeveloping countriesen_ZA
dc.subjectCommunity-based newborn hearing screeningen_ZA
dc.subjectDistortion product otoacoustic emissions (DPOAEs)en_ZA
dc.subjectMidwife obstetric units (MOUs)en_ZA
dc.subjectAutomated auditory brainstem response (AABR)en_ZA
dc.subjectUniversal newborn hearing screening (UNHS)en_ZA
dc.titleNewborn hearing screening at a community-based obstetric unit : screening and diagnostic outcomesen_ZA
dc.typePostprint Articleen_ZA

Files

Original bundle

Now showing 1 - 1 of 1
Loading...
Thumbnail Image
Name:
DeKock_Newborn_2016.pdf
Size:
456.57 KB
Format:
Adobe Portable Document Format
Description:
Postprint Article

License bundle

Now showing 1 - 1 of 1
Loading...
Thumbnail Image
Name:
license.txt
Size:
1.75 KB
Format:
Item-specific license agreed upon to submission
Description: