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Hearing Loss in an Institutionalized Mentally Retarded PopulationIdentification by Auditory Brainstem Response
Laszlo K. Stein, PhD;
Nina Kraus, PhD;
Özcan Özdamar, PhD;
Cheryl Cartee, MS;
Theresa Jabaley, MA;
Colette Jeantet, MD;
Nancy Reed, MA
Arch Otolaryngol Head Neck Surg. 1987;113(1):32-35.
Abstract
We report the results of auditory brainstem response testing of 122 profoundly retarded institutionalized children, a segment of the retarded population heretofore generally regarded as untestable by behavioral audiometry. Major findings include: (1) 32% of the study population showed, by auditory brainstem response, hearing loss exceeding 20 decibels of hearing level in one or both ears (12% showed conductive loss and 20% sensorineural loss); (2) of the 15.6% with evidence of bilateral sensorineural loss, 7.37% had losses in the 30- to 50-dB range, and 8.19% had losses of 60 dB or greater; and (3) evidence of abnormal brain-stem function was found in 11%. Results of otologic examinations and audiologic habilitative follow-up in selected children are also reported.
(Arch Otolaryngol Head Neck Surg 1987;113:32-35)
Author Affiliations
From the David T. Siegel Institute for Communicative Disorders (Drs Stein, Kraus, and Özdamar, and Mss Cartee, Jabaley, and Reed) and the Section of Otolaryngology (Dr Jeantet), Michael Reese Hospital and Medical Center, Chicago, and the Department of Surgery (Otolaryngology), University of Chicago (Drs Stein, Kraus, and Özdamar). Dr Özdamar is now with the Department of Biomedical Engineering, University of Miami, Coral Gables, Fla.
Footnotes
Accepted for publication Sept 3, 1986.
Reprint requests to the Siegel Institute, Michael Reese Hospital and Medical Center, Lake Shore Drive at 31st Street, Chicago, IL 60616 (Dr Stein).
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