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Fulltext Cochlear implantation in congenital cochlear abnormalities

Ahmad RL, Lokman S

Med J Malaysia, 2005 Aug;60(3):379-82.
PMID: 16379199

Many children have benefited from cochlear implant device including those with congenital malformation of the inner ear. The results reported in children with malformed cochlea are very encouraging. We describe 2 cases of Mondini's malformation with severe sensorineural hearing loss. Cochlear implantation was performed and both of them underwent post-implantation speech rehabilitation. Post-implantation, both of them were noted to respond to external sound. But the second case developed facial twitching a few months after the device was switched on. It is important to evaluate the severity of the inner ear deformity and the other associated anomalies in pre-implantation radiological assessment in order to identify the problem that may complicate the surgery and subsequent patient management.

Matched MeSH terms: Cochlear Implantation/methods*
Fulltext Cochlear Implant and Its Related Science

Hwang CF, Chen Y, Lin HC, Narayanan P, Oh SH, Truy E

Biomed Res Int, 2015;2015:683967.
PMID: 26240825 DOI: 10.1155/2015/683967
Matched MeSH terms: Cochlear Implantation/methods*
Cost-effective analysis of unilateral cochlear implantation under the Taiwan national healthcare insurance

Fang TY, Cheng LJ, Wu DB, Wang PC

Int J Audiol, 2020 01;59(1):39-44.
PMID: 31498005 DOI: 10.1080/14992027.2019.1658907

Objective: The value of cochlear implantation (CI) has not been established in Taiwan. The purpose of this study was to evaluate the cost-effectiveness of paediatric CI within the context of Taiwan's national health insurance (NHI) programme.Design: A Markov model-based cost-utility analysis (CUA) was conducted to evaluate the cost-effectiveness of a unilateral CI (UCI) with a contralateral acoustic hearing aid (UCI-HA) compared with a bilateral HA. We performed one-way sensitivity analyses to identify the cost variables that affected the incremental cost-effectiveness ratio (ICER) the most. Monte Carlo simulation was used to explore the simultaneous effect of all uncertain parameters on cost-effectiveness.Study sample: Not applicable.Results: Compared with bilateral HAs, the ICER for UCI-HA was $6487 per quality-adjusted life year (QALY) gained. The ICERs were consistently below $7000 per QALY gained and were most sensitive to the selling price of the external CI device. When this selling price increased by 10%, the ICER of UCI-HA would increase to $6954 per QALY gained. UCI-HA has a probability greater than 50% of being cost-effective if the cost-effectiveness threshold exceeds approximately $10,000 per QALY.Conclusions: Our analysis suggested that within the context of Taiwan's NHI programme, UCI is highly cost-effective for deaf children.

Matched MeSH terms: Cochlear Implantation/methods
Long-term outcomes of Universiti Kebangsaan Malaysia Cochlear Implant Program among pediatric implantees

Goh BS, Fadzilah N, Abdullah A, Othman BF, Umat C

Int J Pediatr Otorhinolaryngol, 2018 Feb;105:27-32.
PMID: 29447813 DOI: 10.1016/j.ijporl.2017.11.024

OBJECTIVES: Cochlear implant (CI) greatly enhances auditory performance as compared to hearing aids and has dramatically affected the educational and communication outcomes for profoundly deaf children. Universiti Kebangsaan Malaysia (UKM) pioneered CI program in 1995 in the South East Asia. We would like to report the long-term outcomes of UKM paediatric cochlear implantation in terms of: the proportion of children who were implanted and still using the device, the children's modes of communication, their educational placements, and their functional auditory/oral performance. We also examined the factors that affected the outcomes measured.
STUDY DESIGN: This was a cross sectional observational study.
METHODS: Two sets of questionnaires were given to 126 parents or primary caregivers of the implantees. The first set of questionnaire contained questions to assess the children's usage of CI, their types of education placement, and their modes of communication. The second set of questionnaire was the Parent's Evaluation Of Aural/Oral Performance of Children (PEACH) to evaluate the children's auditory functionality.
RESULTS: Our study showed that among the implantees, 97.6% are still using their CI, 69.8% communicating orally, and 58.5% attending mainstream education. For implantees that use oral communication and attend mainstream education, their mean age of implantation is 38 months. This is significantly lower compared to the mean age of implantation of implantees that use non-oral communication and attend non-mainstream education. Simple logistic regression analysis shows age of implantation reliably predicts implantees (N = 126) would communicate using oral communication with odds ratio of 0.974, and also predict mainstream education (N = 118) with odds ratio of 0.967. The median score of PEACH rating scale is 87.5% in quiet, and this significantly correlates with an earlier age of implantation (r = -0.235 p = 0.048).
CONCLUSIONS: UKM Cochlear Implant Program has achieved reasonable success among the pediatric implantees, with better outcomes seen in those implanted at the age of less than 4 years old.

Matched MeSH terms: Cochlear Implantation/methods
Fulltext Core Rehabilitation Outcome Set for Single Sided Deafness (CROSSSD) study: protocol for an international consensus on outcome measures for single sided deafness interventions using a modified Delphi survey

Katiri R, Hall DA, Buggy N, Hogan N, Horobin A, van de Heyning P, et al.

Trials, 2020 Mar 04;21(1):238.
PMID: 32131880 DOI: 10.1186/s13063-020-4094-9

BACKGROUND: Single-sided deafness (SSD) describes the presence of a unilateral severe to profound sensorineural hearing loss. SSD disrupts spatial hearing and understanding speech in background noise. It has functional, psychological and social consequences. Potential options for rehabilitation include hearing aids and auditory implants. Benefits and harms of these interventions are documented inconsistently in the literature, using a variety of outcomes ranging from tests of speech perception to quality of life questionnaires. It is therefore difficult to compare interventions when rehabilitating SSD. The Core Rehabilitation Outcome Set for Single Sided Deafness (CROSSSD) study is an international initiative that aims to develop a minimum set of core outcomes for use in future trials of SSD interventions.
METHODS/DESIGN: The CROSSSD study adopts an international two-round online modified Delphi survey followed by a stakeholder consensus meeting to identify a patient-centred core outcome domain set for SSD based on what is considered critical and important for assessing whether an intervention for SSD has worked.
DISCUSSION: The resulting core outcome domain set will act as a minimum standard for reporting in future clinical trials and could have further applications in guiding the use of outcome measures in clinical practice. Standardisation will facilitate comparison of research findings.

Matched MeSH terms: Cochlear Implantation/methods*