Outcomes of cochlear implantation in children with inner ear malformations

Demir, Berat; Cesur, Sıdıka; Şahin, Akın; Binnetoğlu, Adem; Çiprut, Ayça; Batman, Caglar

doi:10.1007/s00405-019-05475-9

Cited by 27 publications

(22 citation statements)

References 16 publications

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“…When these variables are not controlled in the analysis, the effect of early intervention could be lost due to good outcomes in children, who despite having a late CI, had a pre-CI hearing experience [ 29 ]. Conversely, poor outcomes are possible in children with early implantation and diseases that limit their benefits [ 30 , 31 ]. As in the present study, Conway et al [ 13 ] only included children with bilateral profound hearing loss with no residual hearing prior to CI.…”

Section: Discussionmentioning

confidence: 99%

Variables influencing executive functioning in preschool hearing-impaired children implanted within 24 months of age: an observational cohort study

Nicastri

Giallini

Amicucci

et al. 2020

Eur Arch Otorhinolaryngol

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Purpose Executive Functions (EFs) are fundamental to every aspect of life. The present study was implemented to evaluate factors influencing their development in a group of preschools orally educated profoundly deaf children of hearing parents, who received CI within 2 years of age. Methods Twenty-five preschool CI children were tested using the Battery for Assessment of Executive Functions (BAFE) to assess their flexibility, inhibition, and non-verbal visuo-spatial working memory skills. The percentage of children performing in normal range was reported for each of the EF subtests. Mann–Whitney and Kruskal–Wallis were performed to assess differences between gender, listening mode, and degree of parents’ education subgroups. The Spearman Rank Correlation Coefficient was calculated to investigate the relationship between EF scores of audiological and linguistic variables. Results Percentages ranging from 76 to 92% of the children reached adequate EF scores at BAFE. Significant relations (p < 0.05) were found between EFs and early intervention, listening, and linguistic skills. Furthermore, CI children from families with higher education level performed better at the response shifting, inhibitory control, and attention flexibility tasks. Economic income correlated significantly with flexibility and inhibitory skills. Females performed better than males only in the attention flexibility task. Conclusions The present study is one of the first to focus attention on the development of EFs in preschool CI children, providing an initial understanding of the characteristics of EFs at the age when these skills emerge. Clinical practice must pay increasing attention to these aspects which are becoming the new emerging challenge of rehabilitation programs.

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Section: Discussionmentioning

confidence: 99%

Variables influencing executive functioning in preschool hearing-impaired children implanted within 24 months of age: an observational cohort study

Nicastri

Giallini

Amicucci

et al. 2020

Eur Arch Otorhinolaryngol

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“…The success rate in restoring the hearing to patients with IEM is rather low compared to patients with other causes of SHNL, and the most successful groups of patients with IEM are IP‐II and enlarged vestibular aqueduct 14 . Therefore, exact classification of IEM is mandatory prior surgery.…”

Section: Discussionmentioning

confidence: 99%

“…Although CI is considered a safe and effective treatment option for children with CC, 13 these patients suffer from poorer and more slowly developing hearing performance compared to children with SHNL and regularly formed cochlea or other IEM 6,14,15 . Although reports on the audiological performance of CC patients implanted with CI vary to a considerable extent, it is unclear how many of these subjects had a true CC deformity with a primitive cochlea and how many had CA with only a large, dilated vestibule.…”

Section: Introductionmentioning

confidence: 99%

Evaluating Common Cavity Cochlear Deformities Using CT Images and 3D Reconstruction

et al. 2020

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Objectives The aim of this study is to compare the common cavity (CC) with the normal anatomy inner ear in order to evaluate whether the cavity is representing both the cochlear and the vestibular parts of the inner ear and to revisit CC deformity from a three‐dimensional (3D) perspective. Methods High‐resolution computed tomography image datasets of 17 temporal bones initially identified as CC were evaluated with 3D reconstruction and multiplanar image analysis using a free available software for 3D segmentation of the inner ear. All 3D images of CC were compared to a normal inner ear. Maximum and minimum diameter of the CC were correlated with the circumference of the CC in an axial plane. Results In 13 cases (76%), CC represented only the vestibular part of the inner ear and did not represent CC as defined here and by Sennaroglu, Kontorinis, and Khan. True CC was correctly diagnosed in only one case (6%). In three cases (18%), a rudimentary part of the cochlear portion could be identified. The axes' length of the elliptical cavity showed a strong positive linear relation to the circumference of the cavity (long axis: r = 0.94; P < .0001; short axis: r = 0.68; P = .0029). Conclusion This study supports the assumption that many reported CC cases only represent the vestibular part of the inner ear and are therefore cases of cochlear aplasia. 3D segmentation and systematic analysis of CT‐imaging add clinical value to the comprehension of the morphology of the anatomical structures of the inner ear. Level of Evidence 2C Laryngoscope, 131:386–391, 2021

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“…Additionally, other studies reported a variable CI surgery outcome among patients based on types of inner ear anomalies [2,4,[23][24][25][26][27][28][29][30][31][32][33][34][35][36]. Several authors reported that patients who have mild anomalies such as EVA and IP II have a better outcome than patients who have severe malformations such as a common cavity [4,[24][25][26][27][28]31]. Nevertheless, Tay et al has concluded that the outcome of patients who have an absent cochlear nerve, electrode folding and underlying neurological disorders is poor [37].…”

Section: Literature Reviewmentioning

confidence: 99%

The Effectiveness of Cochlear Implants in Patients with Inner Ear Malformation

Alefranji

2021

GJO

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To analyze the outcome of a cochlear implant (CI) in patients with an inner ear malformation (IEM), to compare two commonly used classification systems for IEM, to identify the highest and lowest outcome performance of IEM, to determine the most frequent inner ear anomalies and a candidate for a cochlear implant with considerable improvement.Methods: A literature review including 64 previously published studies between the period 1987 to 2020. In addition, a retrospective study inclusive 16 cases with IEM having undergone 20 CI surgeries. Results:The review shows that 43 studies involving 1273 (19%) cases with IEM out of 6560 patients have demonstrated an improvement in auditory and speech performance after implantation. 30 studies involving a total of 551 cases with an isolated enlarged vestibular aqueduct (EVA) have reported considerable benefits in audiology and speech performance after CI. Several authors reported that patients who have mild anomalies have a better outcome than patients who have severe malformations. Clinical studies revealed that patients with IEM have seen improvements in the outcome of audiology and speech tests after implantation. Conclusion:CI is effective for patients who have severe to profound sensorineural hearing loss (SNHL) with inner ear anomalies despite other factors which may influence the outcome. The outcome of the minor IEM such as EVA is higher than the performance of the major anomalies like a common cavity (CC). The most frequent inner ear anomaly and candidate for the CI with significant improvement after implantation is EVA.

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Outcomes of cochlear implantation in children with inner ear malformations

Cited by 27 publications

References 16 publications

Variables influencing executive functioning in preschool hearing-impaired children implanted within 24 months of age: an observational cohort study

Variables influencing executive functioning in preschool hearing-impaired children implanted within 24 months of age: an observational cohort study

Evaluating Common Cavity Cochlear Deformities Using CT Images and 3D Reconstruction

The Effectiveness of Cochlear Implants in Patients with Inner Ear Malformation

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