Cochlear implantation in common cavity deformity: a systematic review

Almahboob, Ayshah; Alhabib, Salman F.; Abdelsamad, Yassin; Alzhrani, Farid

doi:10.1007/s00405-021-06884-5

Cited by 9 publications

(9 citation statements)

References 31 publications

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“…Several studies subgroup the inner ear single cavities into three types according to their radiological appearance in the CT of the temporal bone [1,12,13]. First type is Michel's otocyst deformity, characterized by a single cyst and complete absence of the IAC and cochlear nerve.…”

Section: Discussionmentioning

confidence: 99%

“…Several studies have shown audiological and speech benefits after CI surgery for IEM deformities, but these benefits are found to be inferior to those of CI surgery in patients with normal inner ears [8,9,13]. In general, several factors, such as age at implantation, cognitive ability, additional disability, residual hearing, parental participation, and the daily use of the cochlear implant audio processor, affect language development after CI [14].…”

Section: Discussionmentioning

confidence: 99%

“…In general, several factors, such as age at implantation, cognitive ability, additional disability, residual hearing, parental participation, and the daily use of the cochlear implant audio processor, affect language development after CI [14]. In addition, other factor that could affect the language development in CC patients is the type of electrode used for implantation as the modiolus hugging electrode is not advised in this deformity as it stays in the middle of the cavity without direct contact to the neural tissues that are located on the lateral wall of the cavity [13,15].…”

Section: Discussionmentioning

confidence: 99%

“…The latter is associated with a high incidence of facial nerve paralysis of up to 52%, which may be attributed to the abnormal facial nerve course in the temporal bone. The single slit TML is found to be easy, less time-consuming, less risky over the facial nerve and it provides easier control of the labyrinthotomy in the presence of a gusher compared to transfacial approach [13].…”

Section: Discussionmentioning

confidence: 99%

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Audiological and Speech Performance After Cochlear Implantation in Cochlear Aplasia Deformity

Alhabib¹

2021

Cureus

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Inner ear malformation is a congenital anomaly associated with prelingual sensory neural hearing loss in the pediatric population. This is a case report of bilateral radiologically diagnosed cochlear aplasia in a child who underwent unilateral left cochlear implantation with audiological results at one-year follow-up after surgery. Sixteen months after the cochlear implantation surgery, the child could produce 200 words and say a sentence with two words. In certain cases of inner ear malformation, the subgrouping of cystic cavity can be difficult and should not delay the trial of cochlear implant provided an acceptable anatomical appearance of the inner ear with cochleovestibular nerve existence and a proper electrode used for implantation.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Audiological and Speech Performance After Cochlear Implantation in Cochlear Aplasia Deformity

Alhabib¹

2021

Cureus

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“…Common cavity deformity patients could have long-term benefits with CI ( Al-mahboob et al, 2022 ). Although most studies have concluded that post-operative outcomes in CCD patients are worse than in children with normal inner ear structures and mild malformations, specific auditory speech rehabilitation outcomes are inconsistent ( Ahmad et al, 2005 ; Papsin, 2005 ; Ahn et al, 2011 ).…”

Section: Introductionmentioning

confidence: 99%

Analysis of Long-Term Cochlear Implantation Outcomes and Correlation With Imaging Characteristics in Patients With Common Cavity Deformity

et al. 2022

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ObjectTo investigate the long-term development of auditory and speech in patients with common cavity deformity (CCD) after cochlear implantation (CI) and its relationship to imaging characteristics.MethodsTwenty-three CCD patients and 59 age- and sex-matched CI children with normal inner ear structure were recruited. The auditory and speech development of these two groups were evaluated at 0, 1, 3, 6, 12, and 18 months after CI activation using four parent reports questionnaires [Categories of Auditory Performance (CAP), Speech Intelligibility Rating (SIR), Meaningful Auditory Integration Scale/Infant-Toddler Meaningful Auditory Integration Scale (MAIS/ITMAIS), and Meaningful Use of Speech Scale (MUSS)]. Computed tomography-based 3-dimensional reconstruction of the surgical side of 18 CCD children was performed, the volume and surface area were calculated. Correlation analysis was performed on the imaging performance and post-operative outcomes.ResultsThe percentages of MAIS/IT-MAIS scores and CAP scores at different evaluation time points are significantly different (p < 0.05). When comparing SIR results across time points, significant growth was observed in most of the comparisons. In addition, significant differences (p < 0.05) are observed among the percentages of MUSS scores at different time points except the comparison between 0 and 1 month after CI activation. Patients in the CCD group had poorer auditory and speech performances at different stages after CI compared with those in the control group. According to the reconstruction of CCD patients, the volume ranged from 12.21 to 291.96 mm3; the surface area ranged from 27.81 to 284.7 mm2. When the lumen surface area was <190.45 mm2 or the volume was <157.91 mm3, the survival time for CCD children to achieve a CAP score of 4 after CI was significantly shorter.ConclusionCochlear implantation are less effective in CCD patients than in patients with normal inner ear structures, but they can still achieve significant improvement post-operatively. The morphology and size of the inner ear vary in CCD patients, which reflects the degree of inner ear development influences the outcome after CI surgery.

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Balance Function of Patients with Common Cavity Deformity

Shen

Wei

et al. 2022

Cochlear Implantation for Common Cavity Deformity

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Cochlear implantation in common cavity deformity: a systematic review

Cited by 9 publications

References 31 publications

Audiological and Speech Performance After Cochlear Implantation in Cochlear Aplasia Deformity

Audiological and Speech Performance After Cochlear Implantation in Cochlear Aplasia Deformity

Analysis of Long-Term Cochlear Implantation Outcomes and Correlation With Imaging Characteristics in Patients With Common Cavity Deformity

Balance Function of Patients with Common Cavity Deformity

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