Developmental, audiological, and speech perception functioning in children after cochlear implant surgery.

Full Abstract

OBJECTIVES:
To examine changes in audiological, speech perception, and developmental functioning subsequent to cochlear implantation in children with severe to profound hearing impairment, and to identify factors related to those changes.

DESIGN:
Prospective, longitudinal analysis to compare functioning of pediatric patients who underwent cochlear implantation before and 1 year after surgery.

SETTING:
Outpatient pediatric cochlear implantation program in an academic institution (The Listening Center, The Johns Hopkins University School of Medicine, Baltimore, Md).Patients Forty consecutive pediatric patients between 1(1/2) and 9 years of age who received a cochlear implant between April 1, 1996, and August 31, 1998, and who also underwent psychological, audiological, and speech perception evaluations immediately before and 1 year after implantation.

MAIN OUTCOME MEASURE:
Scores on the Bayley Scales of Infant Development-Second Edition, Stanford-Binet Intelligence Scale-Fourth Edition, Developmental Profile II, Child Behavior Checklist, speech perception categories, and audiological pure-tone thresholds.

RESULTS:
Mean (SD) duration of hearing impairment was 37.78 (27.94) months, mean (SD) age at surgery was 50.72 (27.66) months. Significant improvements were found 1 year after surgery in audiological, speech perception, and developmental functioning, but not in nonverbal intelligence or behavior. Greater benefits in audiological and developmental functioning were associated with younger age (<48 months) at implantation.

CONCLUSIONS:
Patients showed significant improvement in audiological status, overall developmental functioning, and speech perception skills in a short time after surgery. Greatest improvement in speech perception was for children with the least initial impairment, and greatest developmental gains were associated with young age at implantation.

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Author information

Author/s: Pulsifer, Margaret B (MB); Salorio, Cynthia F (CF); Niparko, John K (JK);

Affiliation: Department of Psychiatry, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.

Journal and publication information

Publication Type: Journal Article

Journal: Archives of pediatrics & adolescent medicine (Arch Pediatr Adolesc Med), published in United States. (Language: eng)

Reference: 2003-Jun; vol 157 (issue 6) : pp 552-8

Dates: Created 2003/06/10; Completed 2003/07/09; Revised 2004/11/17;

PMID: 12796235, status: MEDLINE (last retrieval date: 11/6/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

Comments and Corrections

CommentIn: Arch Pediatr Adolesc Med. 2004 Apr;158(4):401; author reply 401-2. (PMID: 15066883)

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