Longitudinal Outcomes of Early Implantation in Children with Auditory Neuropathy Spectrum Disorder (ANSD)

Chisholm, Kylie; Gibbons, Andrea; Psarros, Colleen; Bate, Karen; Gardner-Berry, Kirsty

doi:10.1179/146701010x12671177818588

Cited by 8 publications

(12 citation statements)

References 2 publications

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“…Bilateral simultaneous CI usually make it impossible to check for any error in the early diagnosis of permanent hypoacusia, depriving the team involved in selecting candidates for CI of a helpful feedback. On the other hand, recording cortical auditory evoked potentials (CAEP) has recently proved a useful diagnostic tool when nerve and/or brainstem dysmaturity is suspected [28,29], so it may become possible to identify infants' hearing thresholds more reliably in the future.…”

Section: Discussionmentioning

confidence: 99%

Is very early hearing assessment always reliable in selecting patients for cochlear implants? A case series study

Bovo¹,

Trevisi²,

Ghiselli³

et al. 2015

International Journal of Pediatric Otorhinolaryngology

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Section: Discussionmentioning

confidence: 99%

Is very early hearing assessment always reliable in selecting patients for cochlear implants? A case series study

Bovo¹,

Trevisi²,

Ghiselli³

et al. 2015

International Journal of Pediatric Otorhinolaryngology

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“…28 A study was carried out in the Sydney Cochlear Implant Centre to evaluate the longitudinal outcomes of early implantation in auditory neuropathy spectrum disorder children with thin or hypoplastic cochlear nerves. 29 The study reported the speech perception and speech and language outcomes of five children who received cochlear implants. Two implantees had no evidence of auditory brainstem activity with the cochlear implant, two had activity only in a few electrodes, and only one had clear electrically evoked ABRs with the cochlear implant.…”

Section: Discussionmentioning

confidence: 99%

“…Integration gradually improved over the years in all five patients. 29 Jeon et al retrospectively analysed 11 auditory neuropathy spectrum disorder patients who underwent cochlear implantation and compared them with 9 control subjects with sensorineural hearing loss who did not have neural pathology. 30 The electrically evoked ABR thresholds of the auditory neuropathy spectrum disorder patients were almost within the values of the disease controls.…”

Section: Discussionmentioning

confidence: 99%

“…Our findings were consistent with the findings of Chisholm et al, who also found improvement in responses with continuous stimulation. 29 The fourth patient, who had post-lingual progressive hearing loss, had a very guarded prognosis. The absence of transtympanic electrically evoked ABRs and neural response telemetry were also suggestive of this.…”

Section: Discussionmentioning

confidence: 99%

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Cochlear implantation in auditory neuropathy spectrum disorders: role of transtympanic electrically evoked auditory brainstem responses and serial neural response telemetry

et al. 2021

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Objective To evaluate the utility of pre-operative transtympanic electrically evoked auditory brainstem responses and post-operative neural response telemetry in auditory neuropathy spectrum disorder patients. Methods Four auditory neuropathy spectrum disorder patients who had undergone cochlear implantation and used it for more than one year were studied. All four patients underwent pre-operative transtympanic electrically evoked auditory brainstem response testing, intra-operative and post-operative (at 3, 6 and 12 months after switch-on) neural response telemetry, and out-patient cochlear implant electrically evoked auditory brainstem response testing (at 12 months). Results Patients with better waveforms on transtympanic electrically evoked auditory brainstem response testing showed superior performance after one year of implant use. Neural response telemetry and electrically evoked auditory brainstem response measures improved in all patients. Conclusion Inferences related to cochlear implantation outcomes can be based on the waveform of transtympanic electrically evoked auditory brainstem responses. Robust transtympanic electrically evoked auditory brainstem responses suggest better performance. Improvements in electrically evoked auditory brainstem responses and neural response telemetry over time indicate that electrical stimulation is favourable in auditory neuropathy spectrum disorder patients. These measures provide an objective way to monitor changes and progress in auditory pathways following cochlear implantation.

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“…Ancak, patolojinin doğasındaki heterojenlik, koklear implant adayının belirlenmesini zorlaştırdığından, detaylı bir değerlendirme gerektirmektedir. 4,[12][13][14] Koklear implant tedavisinin etkinliğini en çok etkileyen faktör komorbiditedir. Bazı araştırmacılar, işitsel nöropatiye eşlik eden başka bir bozukluk bulunmuyor ise bu durumu "izole işitsel nöropati" olarak adlandırılmaktadır.…”

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Investigation of the Fitting Parameters in Pediatric Cochlear Implant Users Diagnosed with Auditory Neuropathy

Batuk¹,

Çınar²,

Kocabay³

et al. 2019

Turkiye Klinikleri J Health Sci

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İşitsel nöropati tanılanmış pediatrik koklear implant kullanıcılarındaki objektif uyarılmış nöral yanıtları ve koklear implant programlama parametrelerindeki değişikliklerin incelenmesidir. G Ge er re eç ç v ve e Y Yö ön nt te em ml le er r: : Çalışma grubunda işitsel nöropati etiyolojisi ile koklear implantasyon uygulanan 13 kulak, kontrol grubunda ise idiyopatik işitme kaybı sonrası koklear implantasyon uygulanan 13 kulak bulunmaktadır. Bireylerin koklear implant programlama parametrelerinden uyarım hızı ve uyaran genişliği ile elektriksel bileşik aksiyon potansiyeli (EBAP) yanıt eşikleri Custom Sound 5,2 yazılımında retrospektif olarak değerlendirilmiştir. Ayrıca, bireylerin konuşma işlemcisini kullanma süreleri kaydedilmiştir. B Bu ul lg gu ul la ar r: : Her iki grubun EBAP yanıt eşikleri karşılaştırıldığında, gruplar arasında E22, E16, E11 ve E1 elektrotları için anlamlı fark bulunmaz iken, E6 elektrodunda seviyelerin çalışma grubunda daha düşük olduğu belirlenmiştir. Uyarım hızının çalışma grubunda anlamlı derecede düşük olduğu saptanmıştır. Uyarım genişliğinde her iki grup arasında anlamlı fark belirlenmemiştir. Her iki grubun konuşma işlemcisi kullanım sürelerinin ise birbirinden farklı olmadığı bulunmuştur. S So on nu uç ç: : İşitsel nöropatili pediatrik koklear implant kullanıcılarında programlamada kişiye özgü değişiklikler yapılması gereklidir. Programlama, özellikle uyaran hızının düşürülmesi ile idiyopatik işitme kayıplı çocuklardan farklılaşmaktadır. İşitsel nöropatili bireylerde rezidüel tüy hücrelerinin daha fazla olması nedeni ile spiral ganglion hücreleri ve işitme sinirinin daha çabuk uyarılması sağlanarak, objektif elektriksel uyarılmış sinir yanıtlarının daha düşük eşik seviyelerde elde edilmesi mümkündür.

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Longitudinal Outcomes of Early Implantation in Children with Auditory Neuropathy Spectrum Disorder (ANSD)

Cited by 8 publications

References 2 publications

Is very early hearing assessment always reliable in selecting patients for cochlear implants? A case series study

Is very early hearing assessment always reliable in selecting patients for cochlear implants? A case series study

Cochlear implantation in auditory neuropathy spectrum disorders: role of transtympanic electrically evoked auditory brainstem responses and serial neural response telemetry

Investigation of the Fitting Parameters in Pediatric Cochlear Implant Users Diagnosed with Auditory Neuropathy

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