Do Patients With Dementia Benefit From Cochlear Implantation?

Darwich, Nabil F.; Hwa, Tiffany Peng; Ruckenstein, Michael J.

doi:10.1002/lary.29256

Cited by 7 publications

(5 citation statements)

References 5 publications

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“…Similarly, a study included 70 hearing-impaired elderly patients (45% with MCI before surgery) and showed that cognitive function of 10% of the participants with MCI became normal in cognitive function 7 years after cochlear implantation (Mosnier et al, 2018). These findings may highlight the possibility that effective treatment for hearing loss could improve cognitive performance and reduce the incidence of dementia (Darwich et al, 2020). Future clinical studies are warranted to validate these hypotheses.…”

Section: Discussionmentioning

confidence: 96%

Hearing Loss and Dementia: A Meta-Analysis of Prospective Cohort Studies

Liang

et al. 2021

Front. Aging Neurosci.

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Background: Consensus is lacking with regard to whether hearing loss is an independent risk factor for dementia. We therefore conducted a meta-analysis to clarify the relationship of hearing loss and dementia.Methods: Prospective cohort studies investigating the association between hearing loss and the incidence of dementia in a community-derived population were included by searching electronic databases that included PubMed, Embase, and Cochrane's Library. A random-effects model was adopted to combine the results.Results: Fourteen cohorts including 726,900 participants were analyzed. It was shown that hearing loss was independently associated with dementia [adjusted hazard ratio (HR): 1.59, 95% confidence interval (CI): 1.37 to 1.86, p < 0.001; I2 = 86%]. Sensitivity analysis sequentially excluding any of the individual studies included showed similar results. Subgroup analysis according to the diagnostic methods for hearing loss, validation strategy for dementia, follow-up duration, and adjustment of apolipoprotein E genotype also showed consistent results (p-values for subgroup differences all > 0.05). Meta-analysis with five studies showed that hearing loss was also connected to higher risk of Alzheimer's disease (adjusted HR: 2.24, 95% CI: 1.32 to 3.79, p = 0.003; I2 = 2%).Conclusions: Hearing loss may increase the risk of dementia in the adult population. Whether effective treatment for hearing loss could reduce the incidence of dementia should be explored in the future.

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Section: Discussionmentioning

confidence: 96%

Hearing Loss and Dementia: A Meta-Analysis of Prospective Cohort Studies

Liang

et al. 2021

Front. Aging Neurosci.

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“…This is especially relevant considering that CI treatment could counteract or at least delay dementia. Further research is needed to understand the interrelationship between cognitive decline or dementia and hearing loss [ 52 ]. This suggests that if the influence of CI treatment on cognitive decline was factored in, the cost-effectiveness and effectiveness of CI provision would be even greater.…”

Section: Discussionmentioning

confidence: 99%

Do Not Go Gentle into That Deaf Night: A Holistic Perspective on Cochlear Implant Use as Part of Healthy Aging

Illg¹,

Lukaschyk²,

Kludt³

et al. 2022

JPM

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Research suggests that cochlear implant (CI) use in elderly people improves speech perception and health-related quality of life (HRQOL). CI provision could also prevent dementia and other comorbidities and support healthy aging. The aim of this study was (1) to prospectively investigate potential changes in HRQOL and speech perception and (2) to identify clinical action points to improve CI treatment. Participants (n = 45) were CI recipients aged 60–90 with postlingual deafness. They were divided into groups, according to age: Group 1 (n = 20) received a CI between the age of 60–70 years; group 2 (n = 25) between the age of 71–90 years. HRQOL and speech perception were assessed preoperatively, and three and twelve months postoperatively. HRQOL and speech perception increased significantly within one year postoperatively in both groups. No difference between groups was found. We conclude that CI treatment improves speech perception and HRQOL in elderly users. Improvement of the referral process for CI treatment and a holistic approach when discussing CI treatment in the elderly population could prevent auditory deprivation and the deterioration of cognitive abilities.

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“…The general pattern was for improvement, although because there were only two studies that included a control group, it is difficult to be sure whether these apparent improvements in cognitive test performance are due to the cochlear implant, due to a retest effect, or simply due to better audibility of cognitive tests with a spoken component. Note that the potential for hearing interventions for improving cognition and preventing dementia is a different issue to improving outcomes for people living with dementia [37].…”

Section: Cognitive Outcomesmentioning

confidence: 99%

Do people with cognitive impairment benefit from cochlear implants? A scoping review

Dawes,

Cross,

Millman

et al. 2024

Eur Arch Otorhinolaryngol

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Purpose To identify and evaluate the evidence for the benefits of cochlear implants for people with cognitive impairment or dementia in terms of speech recognition, quality of life, behavioural and psychological symptoms of dementia, cognition, function in daily life, mental well-being, and caregiver burden. Methods Ten electronic databases were searched systematically from inception to December 2023 for studies reporting on outcomes for cochlear implants that included adults identified with cognitive impairment, mild cognitive impairment, or dementia. Results Thirteen studies were included in this review with a combined total of 222 cochlear implant patients with cognitive impairment, mild cognitive impairment. Two studies were non-randomised controlled design, the remainder were single group studies, case series or single case studies. Evidence suggested that people with cognitive impairment benefit in terms of improved speech recognition from cochlear implants, although they may benefit less than those with healthy cognition and the degree of benefit depends on the level of cognitive impairment. There was no evidence for increased adverse events among those with cognitive impairment. There was limited or no evidence for any other outcome. Conclusion People with cognitive impairment or dementia do benefit from cochlear implants. To inform policy and clinical practice, further data are needed about the broader benefits of cochlear implants for people with cognitive impairment or dementia, and referral, eligibility, and cochlear implant support needs for people with cognitive impairment and their caregivers.

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Do Patients With Dementia Benefit From Cochlear Implantation?

Cited by 7 publications

References 5 publications

Hearing Loss and Dementia: A Meta-Analysis of Prospective Cohort Studies

Hearing Loss and Dementia: A Meta-Analysis of Prospective Cohort Studies

Do Not Go Gentle into That Deaf Night: A Holistic Perspective on Cochlear Implant Use as Part of Healthy Aging

Do people with cognitive impairment benefit from cochlear implants? A scoping review

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