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Hearing loss is associated with dementia risk in the elderly – 01/12/2023 – Equilíbrio e Saúde

An American research discovered a hyperlink between listening to loss and a better incidence of dementia in the elderly over 70.

According to the research, the prevalence of dementia was greater the better the diploma of listening to loss, reaching 16.52% with extreme listening to loss. The similar share was 6.19% in sufferers with regular listening to and eight.93% in these with delicate listening to loss.

Comparing sufferers with some kind of listening to impairment to these with out signs, the prevalence was 61% greater.

On the different hand, the use of listening to aids in those that already had indicators of listening to loss decreased the risk of dementia by 32% in comparison with those that didn’t use the machine.

The outcomes of the research had been printed final Tuesday (10) in the specialised journal Jama (Journal of the American Medical Association) by researchers from the Cochlear Center for Hearing and Public Health at the Bloomberg School of Public Health, Johns Hopkins University, United States.

To assess the position of listening to loss in the prevalence of dementia, the researchers analyzed knowledge obtained from surveys and neighborhood-based mostly research — excluding sufferers in lengthy-time period care amenities for the elderly — of two,413 sufferers aged 65 or older enrolled in the Medicare medical health insurance program, the authorities-linked well being care.

Of the complete contributors, 1,347 (55.8%) had been feminine and 1,285 (53.3%) had been 80 years of age or older. Among ethnicities and pores and skin colours, 453 (18.8%) had been non-black, 110 (4.6%) had been Hispanic, and 1,790 (74.2%) had been non-white Hispanic.

Taking into consideration variables comparable to gender, age, schooling, race and ethnicity, smoking historical past, and preexisting well being circumstances (comparable to previous stroke, coronary heart illness, or hypertension, amongst others), the general inhabitants prevalence of dementia was 10.27% . The next incidence of dementia is associated with males, the elderly, and other people with much less schooling, as already indicated in different research.

The estimated charge of listening to loss was 36.74% in the research contributors.

According to the authors, the risk of dementia elevated by about 16% for each ten decibels of listening to loss, indicating that the better the listening to loss, the better the prevalence of cognitive impairment.

For Alison Huang, first writer of the research and an affiliate researcher at the medical heart, the research supplies extra correct knowledge than what has already been noticed in the medical literature. “The research clarifies this noticed hyperlink between listening to loss and dementia and helps public well being motion to enhance entry to listening to aids, significantly for older folks,” he mentioned.

However, in line with the research, the prevalence of world listening to loss in sufferers with dementia is about 8%.

In Brazil, the most up-to-date knowledge obtainable on listening to loss in the elderly are from the 2019 National Health Survey (PNS), which recognized 1.5 million elderly folks with listening to loss. The figures are barely beneath the prevalence set by the WHO of 1.5% of individuals with listening to loss in the nation – which might give round 3 million folks.

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