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Clinical Significance of Auditory Brainstem Response(ABR) in Speech/Language Disorders

Journal of the Korean Pediatric Society 2002;45(10):1199-1203.
Published online October 15, 2002.
Clinical Significance of Auditory Brainstem Response(ABR) in Speech/Language Disorders
Ki Won Oh1, Woo Saeng Park1, Soon Hak Kwon1, Jin Kyung Kim2, Jun Hwa Lee3
1Department of Pediatrics, School of Medicine, Kyungpook National University, Daegu, Korea
2Department of Pediatrics, College of Medicine, The Catholic University of Korea, Daegu, Korea
3Department of Pediatrics, College of Medicine, Ulsan University, Ulsan, Korea
언어발달장애에 있어서 청성뇌간반응의 임상적 의의
오기원1, 박우생1, 권순학1, 김진경2, 이준화3
1경북대학교 의과대학 소아과학교실
2대구 가톨릭대학교 의과대학 소아과학교실
3울산대학교 의과대학 소아과학교실
Correspondence: 
Woo Saeng Park, Email: ppwwss@medigate.net
Abstract
Purpose
: The study aimed to evaluate the efficacy of auditory brainstem response(ABR) as a screening tool in children with speech and language disorders.
Methods
: Between January 1, 1999 and December 31, 2001, 139 patients with chief complaints of speech and language delay were recruited from the pediatric neurology clinic, Kyungpook National University Hospital, Daegu, Korea. They had ABR on entry and the clinical data were then analyzed.
Results
: Fifteen out of 139 cases(10.8%) showed abnormal findings; seven had pervasive developmental disorders, four had developmental language disorders, and four were noted to have other conditions. Among them, seven cases were noted to have conductive hearing loss and eight had sensoryneuronal hearing loss. We also evaluated the normal values in children at the ages of 18 months to seven years. The mean latency of wave I and V were 1.40¡¾0.13 and 5.57¡¾0.26 respectively. Interpeak latency of I-V was 4.18¡¾0.24.
Conclusion
: Based on these findings, ABR has proved to be a highly sensitive and specific index of hearing impairment. It should be used as a screening tool in children with speech and language disorders.
Key Words: Speech and language disorders, auditory brainstem response(ABR)


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