The effects of age at cochlear implantation and hearing aid trial on auditory performance of Chinese infants.
ABSTRACT Most of the infants demonstrated rapid improvement in the three different auditory skills within the first year after switch-on. Infants undergoing hearing aid trial and habilitation demonstrated a significant positive effect on the development of auditory skills in comparison with infants without trial and habilitation.
This paper aims to evaluate the auditory performance of infants of different age at cochlear implantation, emphasize the importance of the hearing aid trial and habilitation before implant, and provide baseline data of auditory development.
In all, 259 infants with prelingually profound hearing loss participated in this study. The Infant-Toddler Meaningful Auditory Integration Scale (IT-MAIS) was used to assess auditory skills in infants at different intervals.
The mean scores for the auditory skills improved significantly over time. The mean scores of three skills for each group at each interval were significantly different. The mean scores of the auditory skills were significantly superior for infants undergoing hearing aid trial and habilitation in comparison with those of infants without hearing aid trial and habilitation.
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ABSTRACT: Objectives to determine for the effect of age (late versus early age) on the cochlear implant outcomes; in terms of language development, auditory skills, speech perception, and production outcomes). Methods 67 children were included in the study out of 93 implanted cases in the study period. Children were classified into 2groups according to age at time of implantation. Group 1 contained 43 children who were implanted before the age of 5 years. Group 2 contained 24 children who were implanted after the age of 5 years. All children were evaluated pre-operatively and at 3, 6, 12, 24 months device experience using the language screening test, Standardized Arabic language test, Listening Progress Profile (LiP Test), the Monosyllabic-Trochee-polysyllabic Test (MTP), and the meaningful Auditory Integration Scale (MAIS) Test. Charts with incomplete data were excluded. Results Only 67 children had complete data out of 93patient. The mean age (in months) for Group 1 was (43.37 ± 8.63) and for Group 2 was (70.38 ± 9.97) at time of implantation. Significantly higher mean values were detected for Group 2 in comparison to Group 1 in the pre-operative period. No significant difference was detected after 2 years evaluation using the test battery for language development and auditory skills. Conclusion Children who were implanted under the 5 years of age had a better outcome in the form of better auditory skills,speech perception, and language production. Limited resources and the absence of a national hearing screening program in Saudi Arabia result in; this late intervention reduces the benefits the late–implanted children drive from cochlear implantation.International journal of pediatric otorhinolaryngology 01/2013; · 0.85 Impact Factor
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ABSTRACT: Identification and evaluation of prognostic factors that are associated with paediatric cochlear implantation (PCI) outcomes was the aim of this study. A retrospective review of 174 charts was performed at the Royal Children's Hospital and the Hear and Say Centre, Brisbane. This examined the possible influence of a number of variables (including age at implant, family, additional disabilities, surgical complications, gender, GJB2 mutations, meningitis, inner ear malformations, and prematurity) on outcome measures: receptive, expressive, and total language, receptive and expressive vocabulary, speech articulation and categories of auditory performance at 18-24 months post-implant. Multiple regression analysis was used to identify variables related to language and vocabulary outcomes. The findings suggest that inner ear malformations and family concern are negatively associated with receptive and expressive language and receptive vocabulary scores. There was marginal evidence to suggest that increasing age at implantation was associated with lower receptive and expressive language scores. Prognostic factors that have been adequately validated statistically include inner ear malformations, the influence of family and late age at implantation. However, this study identified a need to define better the impact of the various degrees of inner ear malformations, to particularly emphasize the role of family as a strong predictor of PCI outcomes, and to confine the study of 'age at implantation' to pre-lingually deafened children. Evaluation of prognostic factors is a key element in PCI. This study confirmed several factors that are strongly associated with outcomes. For better research, there is a need for universal standardized outcome measures and development of a standardized framework for recording patient data.Cochlear implants international 08/2013;
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ABSTRACT: (1) To report the speech perception and intelligibility results of Mandarin-speaking patients with large vestibular aqueduct syndrome (LVAS) after cochlear implantation (CI); (2) to compare their performance with a group of CI users without LVAS; (3) to understand the effects of age at implantation and duration of implant use on the CI outcomes. The obtained data may be used to guide decisions about CI candidacy and surgical timing. Forty-two patients with LVAS participating in this study were divided into two groups: the early group received CI before 5 years of age and the late group after 5. Open-set speech perception tests (on Mandarin tones, words and sentences) were administered one year after implantation and at the most recent follow-up visit. Categories of auditory perception (CAP) and Speech Intelligibility Rating (SIR) scale scores were also obtained. The patients with LVAS with more than 5 years of implant use (18 cases) achieved a mean score higher than 80% on the most recent speech perception tests and reached the highest level on the CAP/SIR scales. The early group developed speech perception and intelligibility steadily over time, while the late group had a rapid improvement during the first year after implantation. The two groups, regardless of their age at implantation, reached a similar performance level at the most recent follow-up visit. High levels of speech performance are reached after 5 years of implant use in patients with LVAS. These patients do not necessarily need to wait until their hearing thresholds are higher than 90 dB HL or PB word score lower than 40% to receive CI. They can do it "earlier" when their speech perception and/or speech intelligibility do not reach the performance level suggested in this study.PLoS ONE 01/2013; 8(11):e81568. · 3.73 Impact Factor