ORIGINAL RESEARCH
Comparison of Ce-Chirp Impulse Latency and Amplitude Values Between High Risk Prematures with Corrected Age of 0-6 Months and Healthy Newborns
Düzeltilmiş Yaşı 0-6 Ay Arası Yüksek Riskli Prematürelerde Ce-Chirp Uyaran Latans ve Amplitüd Değerlerinin Sağlıklı Yenidoğanlarla Karşılaştırılması
Received Date : 26 Jun 2019
Accepted Date : 03 Oct 2019
Available Online : 29 Nov 2019
Veli Gencay SUNGURa, Gülfem BEYAZPINARb, Hatice Seyra ERBEKb
aNewborn Follow-up Polyclinic, Hearing Screening Unit, Audiology Speech and Voice Disorders Unit, Ankara Zekai Tahir Burak Women's Health Training and Research Hospital,
bDepartment of Ear Nose Throat Diseases, Başkent University Faculty of Medicine, Ankara, TURKEY
Doi: 10.24179/kbbbbc.2019-70234 - Makale Dili: EN
KBB ve BBC Dergisi 2019;27(3):89-96
Copyright © 2020 by Turkey Association of Society of Ear Nose Throat and Head Neck Surgery. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
ABSTRACT
Objective: The obtained mean latency and amplitude values will help us for clinical interpretation
of high risk prematüre infants and newborns’ ABR tests by using ce chirp impulse. Material
and Methods: In this study, 35 high-risk premature and 35 healthy newborns with a corrected
age range of 0-6 months were included. The wave latency and amplitude values in the auditory
brainstem response (ABR) test of 500, 1000, 2000 and 4000 Hz using the narrow-band chirp stimulus
were compared in these two groups. Results: V-wave values obtained from all infants were
obtained at the highest amplitude (0.58 μV) at 90 dB at 1000 Hz and the shortest latency (3.73 ms)
at 90 Hz at 2000 Hz in healthy newborn. There was no significant difference between V wave latencies
with regard to gender. In our study, as a result of V wave latency and amplitude measurements
obtained in comparison of high-risk premature and healthy newborns, a statistically
significant difference was found between all frequencies (500, 1000, 2000 and 4000 Hz) and narrowband
chirp stimulus between the two groups. Conclusion: Considering that auditory neural maturation
persisted up to 18 months, we obtained mean values that will help clinical interpretation of
high-risk premature infants and newborns by using the V wave latency and amplitude values.
Keywords: Newborn; auditory brainstem response; premature
ÖZET
Amaç: Belirlenen latans ve amplitüd değerleri, yüksek riskli prematürlerde ve yenidoğanlarda yapılacak ce chirp uyaranlı ABR ölçümlerinin değerlendirilmesinde yardımcı olacaktır. Gereç ve Yöntemler: Bu çalışmada işitme kaybı şikayeti olmayan ve otoskopik muayenesi normal olan, düzeltilmiş yaşı 0-6 ay arası 35 yüksek riskli prematüre, 35 sağlıklı yenidoğan olmak üzere iki grupta bulunan toplam 70 bebeğin 500, 1000, 2000 ve 4000 Hz’deki ve dar bant chirp uyaran kullanılarak yapılan işitsel beyin sapı cevabı (İBC) testindeki dalga latans ve amplitüd değerleri karşılaştırılmıştır. Bulgular: Tüm bebeklerden elde edilen V. dalga değerlerinde en yüksek amplitüd (0,58 μV) 1000 Hz’de 90 dB şiddetinde, en kısa latans (3,73 msn) 2000 Hz’de 90 dB şiddetinde sağlıklı yenidoğanda elde edilmiştir. Cinsiyetlere göre yapılan değerlendirmede V. dalga latansları arasında anlamlı fark bulunmamıştır. Çalışmamızda yüksek riskli prematüre ve sağlıklı yenidoğanların karşılaştırılmasında elde edilen V. dalga latans ve amplitüd ölçümleri sonucunda tüm frekanslarda (500, 1000, 2000 ve 4000 Hz’deki) ve dar bant chirp uyaran ile iki grup arasında istatistiksel olarak anlamlı faklılık bulunmuştur. Sonuç: Sonuç olarak işitsel nöral matürasyonun 18. aya kadar devam ettiği dikkate alındığında, çalışmamızda elde edilen V. dalga latans ve amplitüd değerlerinin yüksek riskli prematüreler ve yenidoğanlara ait klinik yorumda yardımcı olacak ortalama değerler elde edilmiştir.
Anahtar Kelimeler: Yenidoğan; işitsel beyinsapı cevabı; prematür
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