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Year : 2015  |  Volume : 21  |  Issue : 2  |  Page : 111-113

Effects of background noise on transiently evoked otoacoustic emissions in newborn hearing screening

1 Shabda Brahma Speech and Hearing Clinic, Ahmedabad, Gujarat, India
2 Department of ENT, M. P. Shah Government Medical College, Jamnagar, Gujarat, India
3 Department of ENT, Civil Hospital, B. J. Medical College, Ahmedabad, Gujara, India

Correspondence Address:
Chandrakant Vishwakarma
Shabda Brahma Speech and Hearing Clinic, 3rd Floor, Aakar Complex Sardar Patel Stadium Road, Navrangpura, Ahmedabad - 380 014, Gujarat
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0971-7749.155296

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Introduction: Newborn hearing screening program is one of the services offered in Neonatal Intensive Care Units (NICU) by most of the neonatologist today. Aim of the Study: Present study aimed to investigate the ambient noise levels which allow successful transient evoked otoacoustic emission testing. Method: 25 normal hearing neonates (group 1) and 25 normal hearing adults (group 2) participated in the study. Both groups were tested at 30 dB sound pressure level (SPL), 40 dB SPL and 50 dB SPL noise levels. Results and Discussion: Tests results showed with increase in noise levels number of passing subjects decreased and also testing was done at times more than once. Conclusion: Tester should take care of noise levels while doing the test in NICU, which can give false negative responses.

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