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Self-reported hearing loss is associated with faster cognitive and functional decline but not diagnostic conversion in the ADNI cohort. | LitMetric

AI Article Synopsis

  • - Hearing loss is a significant risk factor that may influence cognitive decline and dementia, with studies showing varied outcomes on its effects.
  • - In a study involving nearly 1,700 participants (both cognitively normal and those with mild cognitive impairment), hearing loss was linked to a faster rate of cognitive and functional decline, particularly in those who were cognitively normal.
  • - Despite the observed decline in cognitive and functional performance related to hearing loss, the study found that it did not increase the risk of transitioning to more severe cognitive impairment.

Article Abstract

Introduction: Hearing loss is identified as one of the largest modifiable risk factors for cognitive impairment and dementia. Studies evaluating this relationship have yielded mixed results.

Methods: We investigated the longitudinal relationship between self-reported hearing loss and cognitive/functional performance in 695 cognitively normal (CN) and 941 participants with mild cognitive impairment (MCI) enrolled in the Alzheimer's Disease Neuroimaging Initiative.

Results: Within CN participants with hearing loss, there was a significantly greater rate of cognitive decline per modified preclinical Alzheimer's cognitive composite. Within both CN and MCI participants with hearing loss, there was a significantly greater rate of functional decline per the functional activities questionnaire (FAQ). In CN and MCI participants, hearing loss did not significantly contribute to the risk of progression to a more impaired diagnosis.

Discussion: These results confirm previous studies demonstrating a significant longitudinal association between self-reported hearing loss and cognition/function but do not demonstrate an increased risk of conversion to a more impaired diagnosis.

Clinical Trial Registration Information: NCT00106899 (ADNI: Alzheimer's Disease Neuroimaging Initiative, clinicaltrials.gov), NCT01078636 (ADNI-GO: Alzheimer's Disease Neuroimaging Initiative Grand Opportunity, clinicaltrials.gov), NCT01231971 (ADNI2: Alzheimer's Disease Neuroimaging Initiative 2, clinicaltrials.gov), NCT02854033 (ADNI3: Alzheimer's Disease Neuroimaging Initiative 3, clinicaltrials.gov).

Highlights: Hearing loss is a potential modifiable risk factor for dementia. We assessed the effect of self-reported hearing loss on cognition and function in the ADNI cohort. Hearing loss contributes to significantly faster cognitive and functional decline. Hearing loss was not associated with conversion to a more impaired diagnosis.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11567835PMC
http://dx.doi.org/10.1002/alz.14252DOI Listing

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