The risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies

Abstract Impaired hearing and cognition are disabling conditions among older adults. Research has presented inconsistent conclusions regarding hearing impairment posing a risk for cognitive impairment. We aimed to assess this from published evidence via searching PubMed and Embase, from the inceptio...

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Autores principales: Jing Yuan, Yu Sun, Shuping Sang, Jessica Huynh Pham, Wei-Jia Kong
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Publicado: Nature Portfolio 2018
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Acceso en línea:https://doaj.org/article/a22a621c8e484b459d8056acd30d2660
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spelling oai:doaj.org-article:a22a621c8e484b459d8056acd30d26602021-12-02T15:08:14ZThe risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies10.1038/s41598-018-20496-w2045-2322https://doaj.org/article/a22a621c8e484b459d8056acd30d26602018-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-20496-whttps://doaj.org/toc/2045-2322Abstract Impaired hearing and cognition are disabling conditions among older adults. Research has presented inconsistent conclusions regarding hearing impairment posing a risk for cognitive impairment. We aimed to assess this from published evidence via searching PubMed and Embase, from the inception of the databases indexed to December 2, 2016. For those high-quality studies retrieved, relative risk (RR) and 95% confidence intervals (CIs) were combined to estimate the risk of cognitive impairment. Eleven cohort studies were included in the present study. Pooled results found that elderly people with disabled peripheral and central hearing function had a higher risk of cognitive impairment (for moderate/severe peripheral hearing impairment: RR = 1.29, 95% CI: 1.04–1.59 during a follow-up ≤6 years. RR = 1.57, 95% CI: 1.13–2.20 during a follow-up >6 years; for severe central hearing impairment, RR = 3.21, 95% CI: 1.19–8.69) compared to those with normal hearing function. We also recorded a dose-response trend for cognitive impairment as hearing thresholds rose. No evident bias from potential confounding factors was found with one exception: the length for clinical follow-up. Although results are preliminary because qualifying studies were few, statistical findings were consistent with older people identified as having greater levels of hearing loss, having a corresponding higher risk of cognitive impairment.Jing YuanYu SunShuping SangJessica Huynh PhamWei-Jia KongNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Jing Yuan
Yu Sun
Shuping Sang
Jessica Huynh Pham
Wei-Jia Kong
The risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies
description Abstract Impaired hearing and cognition are disabling conditions among older adults. Research has presented inconsistent conclusions regarding hearing impairment posing a risk for cognitive impairment. We aimed to assess this from published evidence via searching PubMed and Embase, from the inception of the databases indexed to December 2, 2016. For those high-quality studies retrieved, relative risk (RR) and 95% confidence intervals (CIs) were combined to estimate the risk of cognitive impairment. Eleven cohort studies were included in the present study. Pooled results found that elderly people with disabled peripheral and central hearing function had a higher risk of cognitive impairment (for moderate/severe peripheral hearing impairment: RR = 1.29, 95% CI: 1.04–1.59 during a follow-up ≤6 years. RR = 1.57, 95% CI: 1.13–2.20 during a follow-up >6 years; for severe central hearing impairment, RR = 3.21, 95% CI: 1.19–8.69) compared to those with normal hearing function. We also recorded a dose-response trend for cognitive impairment as hearing thresholds rose. No evident bias from potential confounding factors was found with one exception: the length for clinical follow-up. Although results are preliminary because qualifying studies were few, statistical findings were consistent with older people identified as having greater levels of hearing loss, having a corresponding higher risk of cognitive impairment.
format article
author Jing Yuan
Yu Sun
Shuping Sang
Jessica Huynh Pham
Wei-Jia Kong
author_facet Jing Yuan
Yu Sun
Shuping Sang
Jessica Huynh Pham
Wei-Jia Kong
author_sort Jing Yuan
title The risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies
title_short The risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies
title_full The risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies
title_fullStr The risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies
title_full_unstemmed The risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies
title_sort risk of cognitive impairment associated with hearing function in older adults: a pooled analysis of data from eleven studies
publisher Nature Portfolio
publishDate 2018
url https://doaj.org/article/a22a621c8e484b459d8056acd30d2660
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