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:: Volume 23, Issue 4 (10-2014) ::
aud 2014, 23(4): 1-9 Back to browse issues page
Evaluation of otoacoustic emission characteristics of neonates in different time periods
Ebrahim Pirasteh * 1, Aghil Absalan1 , Mahsa Mohem2 , Mehdi Mohammadi3
1- Audiology Department, Faculty of Rehabilitation, Zahedan University of Medical Sciences, Zahedan, Iran
2- Department of Ear, Nose and Throat, Faculty of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
3- Biostatistics and Epidemiology Group, Faculty of Health, Zahedan University of Medical Sciences, Zahedan, Iran
Abstract:   (9873 Views)

Background and Aim: Universal newborn hearing screening program (UNHS) using otoacoustic emission (OAE) has been expanded dramatically. The aim of this study was to compare the characteristics of OAE in different time periods.

Methods: In this cohort study, 54 well babies were tested using screening transient-evoked otoacoustic emission in 12, 24, 36, 48 hours and 1 week of their age in Tamin Ejtemaii hospital of Zahedan, Iran. Parameters of "pass" and "fail" level, duration of the test, repetition rate for getting definite result and cooperation level of the parents were analyzed.

Results: The failing rate decreased markedly with age. The major part of this decrement concerned to the age of 12 to 24 hours (left ear: p=0.012 and right ear: p=0.057). Only for the age of 12 hours, the test repetition reduced the failing rate significantly (left ear: p=0.001 and right ear: p<0.001). The test duration reduced significantly with age increment and decreased from the 75 second in age 12 hours to 21 second in age of 24 hours. The test time median for 36, 48 hours and one week of age was 13, 8.4 and 14.3 second, respectively. Among the 54 parents requested to come back for retest one week later, 5 (9.3%) cooperated.

Conclusion: Age effect on referral rate were confirmed in this study high referral rate and poor parent cooperation were the main problems in universal newborn hearing screening program in Zahedan city.

Keywords: Otoacoustic emission, hearing loss, hearing screening, neonate, parent cooperation, test duration
Full-Text [PDF 182 kb]   |   Full Text (HTML)   (2345 Downloads)    
Type of Study: Research |
Received: 2014/04/22 | Accepted: 2014/04/22 | Published: 2014/04/22
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 23, Issue 4 (10-2014) Back to browse issues page
شنوایی شناسی - دانشگاه علوم پزشکی تهران Bimonthly Audiology - Tehran University of Medical Sciences
Creative Commons Attribution-NonCommercial 3.0

This work is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License which allows users to read, copy, distribute and make derivative works for non-commercial purposes from the material, as long as the author of the original work is cited properly.

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