• Jareen Meinzen-Derr, Susan Wiley, Somer Bishop, Patricia Manning-Courtney, Daniel I Choo, and Donna Murray.
• Divisions of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA; Pediatric Otolaryngology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA. Electronic address: jareen.meinzen-derr@cchmc.org.
• Int. J. Pediatr. Otorhinolaryngol. 2014 Jan 1; 78 (1): 112-8.

ObjectivesApproximately 4% of children who are deaf or hard of hearing have co-occurring autism spectrum disorder (ASD). Making an additional diagnosis of ASD in this population can be challenging, given the complexities of determining whether speech/language and social delays can be accounted for by their hearing loss, or whether these delays might be indicative of a comorbid ASD diagnosis. This exploratory study described a population of 24 children with the dual diagnosis of ASD and hearing loss.MethodsChildren completed a comprehensive ASD evaluation using standardized autism diagnostic instruments (Autism Diagnostic Observation Schedule, language and psychological testing). Children with permanent hearing loss who had a developmental evaluation between 2001 and 2011 and were diagnosed with an ASD based on the results of that evaluation were included. Information on communication modality, language and cognitive abilities was collected.ResultsThe median age of diagnosis was 14 months (range 1-71) for hearing loss and 66.5 months (range 33-106) for ASD. Only 25% (n=6) children were diagnosed with ASD ≤ 48 months of age and 46% by ≤ 6 years. Twelve (50%) children were diagnosed with ASD, 11 were diagnosed with pervasive developmental disorder not otherwise specified and 1 child had Asperger's. Most (67%) had profound degree of hearing loss. Fourteen (58%) children had received a cochlear implant, while 3 children had no amplification for hearing loss. Nine (38%) of the 24 children used speech as their mode of communication (oral communicators).ConclusionsCommunication delays in children who are deaf or hard of hearing are a serious matter and should not be assumed to be a direct consequence of the hearing loss. Children who received cochlear implants completed a multidisciplinary evaluation including a developmental pediatrician, which may have provided closer monitoring of speech and language progression and subsequently an earlier ASD diagnosis. Because children who are deaf or hard of hearing with ASD are challenging to evaluate, they may receive a diagnosis of ASD at older ages.Copyright © 2013 Elsevier Ireland Ltd. All rights reserved.

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