Crib-O-Gram vs. auditory brain stem response for infant hearing screening.
As a part of the longitudinal evaluation of a cluster of neonatal hearing screening procedures in a single high risk population, Crib-O-Gram (COG) and auditory brain stem response (ABR) screening have been administered to 190 infants in the NICU. Multiple COG screening showed inconsistent results in 25% of the infants. The COG failure rate was 27.9% with 2 out of 3 pass criterion. In the two-intensity ABR screening (70 dB and 30 dB), 17.9% failed at 30 dB bilaterally and 30.0% failed unilaterally. The repeated ABR screening and behavioral observation audiometry at age 6 months identified one infant with a significant hearing loss in 78 infants. Two thirds of the COG failures and a little more than half of the ABR failures had a problem mainly with the middle ear. Advantages and disadvantages of each procedure are presented.
D000158:Acoustic Impedance Tests; D001299:Audiometry / Q000379:methods*; D001300:Audiometry, Evoked Response; D001933:Brain Stem / Q000503:physiopathology*; D003937:Diagnosis, Differential; D005072:Evoked Potentials, Auditory; D005260:Female; D005500:Follow-Up Studies; D005865:Gestational Age; D006314:Hearing Loss, Conductive / Q000175:diagnosis; D006319:Hearing Loss, Sensorineural / Q000175:diagnosis* / Q000503:physiopathology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000175:diagnosis* / Q000503:physiopathology; D007363:Intensive Care Units, Neonatal; D008297:Male