[A comparison of auditory brainstem responses and otoacoustic emissions in hearing screening of high-risk neonates]. 2008

Fa-Lin Xu, and Qiu-Jing Xing, and Xiu-Yong Cheng
Department of Neonatology, Third Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, China. xufalin72@126.com

OBJECTIVE Otoacoustic emissions (OAE) and auditory brainstem responses (ABR) are tests widely used in neonatal hearing screening. This study aimed to investigate the differences and clinical value of distortion product otoacoustic emissions (DPOAE) and ABR in hearing screening of high-risk neonates admitted to a neonatal intensive care unit (NICU). METHODS DPOAE and ABR were measured with the Smart-OAE analyser and the Smart-EP brain-stem electric response audiometry apparatus, respectively, in 600 high-risk neonates (1,200 ears). The testing results of DPOAE and ABR were compared. RESULTS Of the 600 neonates (1,200 ears), the incidence of ABR abnormality (78.6%, 943/1,200) was remarkably higher than that of DPOAE abnormality (22.3%, 268/1,200). Two hundred and forty-one ears (20.8%) were negative and 252 (21%) were positive in both DPOAE and ABR tests. A total of 707 ears (58.9%) presented with a discordant result in DPOAE and ABR. The false positive and false negative rates of the DPOAE test were 6.0% (16/268) and 74.1% (691/932) respectively. CONCLUSIONS In high-risk neonates the diagnostic value of DPOAE for identification of hearing loss, when used alone, is limited. The ABR test appears to be more reliable for hearing screening in high-risk neonates. It is suggested that hearing screening for high-risk neonates should be conducted with ABR first, followed by OAE after failure on ABR.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D005260 Female Females
D006320 Hearing Tests Part of an ear examination that measures the ability of sound to reach the brain. Hearing in Noise Test,Quick Speech-in Noise Test (QuickSIN),Real Ear Measurement,Speech in Noise Hearing Test,Ear Measurement, Real,Ear Measurements, Real,Hearing Test,Measurement, Real Ear,Measurements, Real Ear,Quick Speech in Noise Test (QuickSIN),Real Ear Measurements,Test, Hearing,Tests, Hearing
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015931 Intensive Care, Neonatal Continuous care and monitoring of newborn infants with life-threatening conditions, in any setting. Infant, Newborn, Intensive Care,Neonatal Intensive Care,Care, Neonatal Intensive
D015997 Neonatal Screening The identification of selected parameters in newborn infants by various tests, examinations, or other procedures. Screening may be performed by clinical or laboratory measures. A screening test is designed to sort out healthy neonates (INFANT, NEWBORN) from those not well, but the screening test is not intended as a diagnostic device, rather instead as epidemiologic. Infant, Newborn, Screening,Newborn Infant Screening,Newborn Screening,Neonatal Screenings,Newborn Infant Screenings,Newborn Screenings,Screening, Neonatal,Screening, Newborn,Screening, Newborn Infant,Screenings, Neonatal,Screenings, Newborn,Screenings, Newborn Infant
D016057 Evoked Potentials, Auditory, Brain Stem Electrical waves in the CEREBRAL CORTEX generated by BRAIN STEM structures in response to auditory click stimuli. These are found to be abnormal in many patients with CEREBELLOPONTINE ANGLE lesions, MULTIPLE SCLEROSIS, or other DEMYELINATING DISEASES. Acoustic Evoked Brain Stem Potentials,Auditory Brain Stem Evoked Responses,Brain Stem Auditory Evoked Potentials,Evoked Responses, Auditory, Brain Stem,Acoustic Evoked Brain Stem Potential,Acoustic Evoked Brainstem Potential,Acoustic Evoked Brainstem Potentials,Auditory Brain Stem Evoked Response,Auditory Brain Stem Response,Auditory Brain Stem Responses,Auditory Brainstem Evoked Response,Auditory Brainstem Evoked Responses,Auditory Brainstem Responses,Brain Stem Auditory Evoked Potential,Brainstem Auditory Evoked Potential,Brainstem Auditory Evoked Potentials,Evoked Potential, Auditory, Brainstem,Evoked Potentials, Auditory, Brainstem,Evoked Response, Auditory, Brain Stem,Evoked Response, Auditory, Brainstem,Evoked Responses, Auditory, Brainstem,Auditory Brainstem Response,Brainstem Response, Auditory,Brainstem Responses, Auditory,Response, Auditory Brainstem,Responses, Auditory Brainstem
D017084 Otoacoustic Emissions, Spontaneous Self-generated faint acoustic signals from the inner ear (COCHLEA) without external stimulation. These faint signals can be recorded in the EAR CANAL and are indications of active OUTER AUDITORY HAIR CELLS. Spontaneous otoacoustic emissions are found in all classes of land vertebrates. Spontaneous Otoacoustic Emissions,Otoacoustic Emission, Spontaneous,Spontaneous Otoacoustic Emission

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