A 10-Year Review of Brainstem Auditory Evoked Response Testing at the Philippine Children’s Medical Center: Patient Demographics and Outcomes

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Title A 10-Year Review of Brainstem Auditory Evoked Response Testing at the Philippine Children’s Medical Center: Patient Demographics and Outcomes
 
Creator Mary Jane C Tipayno; Department of Otolaryngology, Philippine Children’s Medical Center
 
Subject Otolaryngology
hearing loss, speech delay, Auditory Brainstem Response, ABR
 
Description Objective: The study aims to present the clinical and demographic profile of subjects who have undergone Auditory Brainstem Response (ABR) test at the Philippine Children's Medical Center over a 10-year period. Methods: Design: Retrospective chart review Setting: Tertiary children's hospital Subjects: All patients referred for ABR testing from January 1996 to December 2005. Results: A total of 2783 cases were included in the study with 1.63:1 male-to-female ratio. Almost 50% belonged to the 2-to 5-year-old age group. There were 111 different indications for referral, with speech and language disorders ranking first at 38%. Patients with Congenital Rubella had the highest incidence of pathologic ABR results with 90.62%. There was no significant difference in the degree of hearing loss between the pre-school (2-5 years old) and school age (>5 to 10 years old) group. Our patients who presented with speech delay had a much older average age of hearing loss detection by ABR compared to foreign studies. Conclusion: Speech and developmental delays were the leading causes for ABR referral across age groups with most belonging to the 2-to-5-year-old age group. There was no statistically significant difference in the degree of hearing loss between the preschool and school-age groups with speech delay. ABR in hearing screening of neonates and children constitutes only a small fraction of the total indications for ABR Testing at the Philippine Children's Medical Center. Detection of hearing loss at an earlier age may reveal the true burden of illness and facilitate earlier intervention. Universal hearing screening should be performed for all newborns and not just for high risk infants. Key words: hearing loss, speech delay, Auditory Brainstem Response, ABR Philipp J Otolaryngol Head Neck Surg 2008; 23 (2): 17-22
 
Publisher Philippine Society of Otolaryngology Head and Neck Surgery Inc
 
Contributor
 
Date 2009-03-03
 
Type Peer-Reviewed Article
 
Identifier http://www.philjol.info/index.php/PJOHNS/article/view/814
 
Source Philippine Journal of Otolaryngology Head and Neck Surgery; Vol 23, No 2 (2008); 17-22
 
Language en
 
Coverage Philippines