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Yenidoğanda TEOAE (Transient evoked otoakustik emisyon)

Başlık çevirisi mevcut değil.

  1. Tez No: 355095
  2. Yazar: ŞENGÜL YÜKSEL
  3. Danışmanlar: PROF. DR. FERDA AKDAŞ
  4. Tez Türü: Yüksek Lisans
  5. Konular: Kulak Burun ve Boğaz, Otorhinolaryngology (Ear-Nose-Throat)
  6. Anahtar Kelimeler: Belirtilmemiş.
  7. Yıl: 1996
  8. Dil: Türkçe
  9. Üniversite: Marmara Üniversitesi
  10. Enstitü: Sağlık Bilimleri Enstitüsü
  11. Ana Bilim Dalı: Odyoloji ve Konuşma Bozuklukları Ana Bilim Dalı
  12. Bilim Dalı: Belirtilmemiş.
  13. Sayfa Sayısı: 45

Özet

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Özet (Çeviri)

The future of a child bom with a significant hearing impairment depends to a very large degree on early identification (i. e., audiological diagnosis before 12 months of age) followed by immediate and appropriate intervention. The earlier that hearing loss can be identified and intervention begun, the better the prognosis for the child in areas ranging from language development to academic succes, social interactions, and successful participation in society. Of the programs in existence, all limit screening to a small number of high risk babies. Unfortunately, recent research has demonstrated that at least half of children with sensori-neural hearing loss never exhibit any of these high risk characteristics. The goal of this study was hearing screening with TEOAE and to determine the TEOAE characteristics in normal, healthy newboms and high risk registerers. TEOAE' s were obtained with a ILO 88/92 Otodynamic Analyzer. System was operated in Quickscreen mode. The stimulus was a broadband click with a level of (± 6) 80 dB pe SPL. A total of 404 healthy newboms and 101 NICU graduates comprised our group. Gestational age ranged from 38-43 weeks in healthy newboms and 28-41 weeks in high risk group.They were tested following the first 24 hours (avg. 2 days )of birth. Out of 505 babies 467 (92.5 %) had passed from the hearing screening bilaterally. 37 (7.3 %) babies failed at various stages but could not followed.One baby had failed unilaterally both TEOAE and ABR. The prevalance of unilateral sensori-neural hearing loss was 0.2 %. The emission amplitude were highest on the 3.2 kHz band (21.2 dB), lowest on the 0.8 kHz (2.2 dB) band. Average wave reproducibility was 90.4%. We did not obtain any difference between ears. There were statistically significant difference at 3.2 kHz frequency band in terms of sex in the left ear. There were statistically significant difference at 4.0 kHz frequency band with gestational age. TEOAE is noninvasive, rapid, reliable and easy to use procedure in neonatal hearing screening programs. Low birth weight, birth asphyxia, ototoxic drugs, skintag, hyperbiliribunemia did not effect hearing in the short term.

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