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[Hearing loss as a risk factor for dementia].

Jonathan Wimmer Del Solar¹, Carolina Delgado¹, Mariela C Torrente²

¹Departamento de Neurociencia, Universidad de Chile, Santiago, Chile.

Revista Medica De Chile

|January 5, 2021

Summary

As people live longer, dementia and hearing loss increase. Addressing hearing loss may help prevent dementia, improving quality of life and reducing healthcare costs.

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Area of Science:

Gerontology
Neuroscience
Public Health

Background:

Global life expectancy is increasing, leading to a larger elderly population.
Aging is a primary risk factor for conditions like dementia and hearing loss, impacting quality of life and healthcare costs.
Effective disease-modifying treatments for dementia are lacking, making prevention a global priority.

Purpose of the Study:

To review evidence linking hearing loss and dementia.
To discuss prevention, detection, and treatment strategies for hearing loss.
To explore the impact of hearing loss on dementia progression.

Main Methods:

Literature review of studies on dementia and hearing loss.
Analysis of the 2017 Lancet Commission report on dementia prevention.
Synthesis of current evidence on the association and management.

Main Results:

Hearing loss is identified as a new, modifiable risk factor for dementia.
This association has significant implications for understanding dementia's multifactorial nature.
Evidence supports the link between untreated hearing loss and increased dementia risk.

Conclusions:

Hearing loss is a crucial, modifiable risk factor in dementia prevention.
Clinical practice and public health policies should integrate hearing loss management.
A proposed clinical management flowchart aids in addressing hearing loss in at-risk populations.