How often should the RECD be measured in children?
Answer
It is recommended that the RECD be measured whenever a new earmold is obtained. Infants and young children require earmolds frequently due to the rapid growth of the outer ear. Since the size of the ear canal has changed, an RECD measurement is needed to capture the associated changes in ear canal acoustics so that they can be applied to the hearing instrument fitting.
Please note that with new earmolds, it is important to trim the tubing to the length that it will be when worn with the hearing aid prior to conducting audiometry and measuring the RECD. In addition, the RECD should be measured any time there is a change in middle ear status in one or both ears.
Bagatto, M., Moodie, S., (2007, October 8). Learning the Art to Apply the Science: Common Questions Related to Pediatric Hearing Instrument Fitting. Audiology Online, Article 1886. Accessed from the Article Archives from www.audiologyonline.com/articles/article_detail.asp?article_id=1886
Marlene Bagatto, Au.D., is a Research Associate and Sheila T. F. Moodie, M.Cl.Sc., is a Research Audiologist at the National Centre for Audiology at the University of Western Ontario in London, Ontario, Canada.
Marlene Bagatto, AuD, PhD
Adjunct Research Professor, National Centre for Audiology, Western University
Marlene Bagatto is an Adjunct Research Professor at the National Centre for Audiology at Western University in London, Ontario, Canada. Her research interests have a clinical focus and relate to fitting hearing aids to the pediatric population. Dr. Bagatto has given numerous presentations and workshops as well as published several articles on the topic. Recently, she led the development and evaluation of an outcome measurement guideline for infants, toddlers and preschool children who wear hearing aids. In addition, Dr. Bagatto provides clinical services to infants involved in the Ontario Infant Hearing Program at the H.A. Leeper Speech and Hearing Clinic at Western. She also serves as an Amplification Consultant and Instructor for the Ontario Ministry of Children and Youth Services’ Infant Hearing Program.
Sheila T. Moodie, PhD, MCISc
Research Audiologist in The Child Amplification Laboratory
Sheila Moodie is a Research Audiologist in The Child Amplification Laboratory, at The National Centre for Audiology, University of Western Ontario and a PhD Candidate in the Health and Rehabilitation Sciences Program, Faculty of Health Sciences also at The University of Western Ontario. She has assisted in the development and methods to improve the clinical implementation of the DSL Method for over 20 years. She has been awarded a Canadian Institutes of Health Research Frederick Banting and Charles Best Canada Graduate Scholarship to study methods that reduce the knowledge utilization gap in audiology by encouraging collaborative linkage and exchange between researchers and clinicians. none
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