Newborn hearing screening results in an inner part of Aegean region

Abstract

Objective: To investigate hearing loss ratio of babies screened at our university hospital which is reference hospital in Kütahya, Turkey. Methods: A total number of 6881 newborns were screened for hearing between February 2010 and December 2013 in our hospital. Screening was done before newborns discharged. The parents of the newborns discharged during holidays were asked to come within 15 days. A three-stage screening protocol was implemented consisting of an initial screening with transient evoked otoacoustic emissions (TEOAE) followed by a second-stage screening also with TEOAE and screening auditory brainstem response (ABR). Babies who had unilateral or bilateral referrals with TEOAE and screening ABR were referred to other clinics which have clinical ABR. Babies were divided into 2 groups by means of having risk factors and not having risk factors. Results: Out of 6881 newborns, 33 (0.47%) of them had hearing loss consisting of 21 (0.3%) patients had bilateral hearing loss and 12 (0.17%) patients had unilateral hearing loss. Conclusion: Newborn hearing screening tests should be done throughout the country and the babies with hearing loss should be identified before permanent damages occur so that these patients can be productive people for society.

Keywords

• Hearing loss, otoacoustic emission, auditory brainstem response, newborn

İç Ege Bölgesi'ndeki yenidoğan işitme tarama testi sonuçları

Abstract

Amaç: Çalışmamızın amacı Türkiye'nin Kütahya ilinde referans hastanesi olan üniversite hastanemizde bebeklerdeki işitme kaybı oranını araştırmaktır. Yöntem: Hastanemizde Şubat 2010 ile Aralık 2013 tarihleri arasında 6881 yenidoğan, tarama testlerinden geçirilmiştir. Tarama testleri bebekler taburcu edilmeden yapılmış ve 15 gün içinde bebeklerin yeniden getirilmeleri söylenmiştir. Bebekler tatilde iken taburcu edilmişlerse 15 gün içinde getirilmeleri söylenmiştir. Başlangıçta geçici olarak uyarılmış otoakustik emisyonlar (TEOAE) daha sonra ikinci evrede TEOAE ile işitsel beyinsapı yanıt (ABR) testlerinden ibaret üç aşamalı bir tarama protokolü uygulanmıştır. TEOAE ve ABR tarama tesleriyle tek veya çift taraflı işitme kayıpları olan bebekler klinik ABR olanağı bulunan başka kliniklere yollanmıştır. Bebekler risk faktörleri olanlar ve olmayanlar olmak üzere iki gruba ayrılmıştır. Bulgular: Toplam 6681 yenidoğanın 33'ünde (%0.47) işitme kaybı mevcuttu. İşitme kayıpları çift (n=12; %0.3) veya tek (n=12; %0.17) taraflı idi. Sonuç: Yenidoğanlarda işitme tarama testleri yurt çapında yapılmalı, bu hastaların toplum için üretken olabilmeleri amacıyla kalıcı hasarlar oluşmadan önce saptanmalıdır.

Keywords

• İşitme kaybı, otoakustik emisyon, işitsel beyinsapı yanıtı, yenidoğan

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