Early Detection of Hearing Defects among Newborn in Baghdad City


Abstract:-Background:Hearing impairment is a global public health problem. It causes serious obstacle to the optimal development and education, including language development in both developing and developed countries. Around 2 to 4 in every 1000 neonates and infants have congenital sensor neural hearing impairment, making it a global public health problem.Objective: To high light on the importance of newborn hearing screening as it is till now not included in Iraqi health care for newborns .Methodology:-A cross sectional study with an analytic element was conducted in 25 primary Health Care Centers in Baghdad city during the period extending from 1st March to 1st September 2016 . A convenient sampling technique was used in the selection of health facilities which included newborns aged three months and below of both sexes.The data was collected by direct interview with mothers or ( any accompanied relative ) using a special questionnaire and then application of the distortion product otoacoustic emissions test.Results:-In this study, the test was applied to 1030 newborn , of whom 110 (10.7%) were positive to the test and referred to ear, nose and throat specialist for further assessment.The results showed that the prevalence of newborns with hearing impairment and the test positive was 84.5/1000 ,positive predictive value of distortion product otoacoustic emissions test was 88.7%.There was significant association between family history of hearing impairment and the test results, while other variables didn’t show any association.Conclusion: The distortion product otoacoustic emissions test can be used as a screening test to detect a newborn hearing impairment due to its ease to use which allows trained non-professional personnel to perform the test.