Hospital-Treated Infections Linked to Dementia Risk

Investigators identify 29 conditions associated with dementia risk in nationwide registry analysis.

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Hospital-treated cystitis and unspecified bacterial infections are linked to increased dementia risk in older patients.
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The study analyzed 62,555 dementia patients and 312,772 matched controls, revealing 29 diseases associated with dementia risk.
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Infections remained linked to dementia risk even after adjusting for noninfectious comorbidities, indicating independent associations.
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Early-onset dementia showed stronger associations with infections, including gastroenteritis and pneumonia.
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The study suggests severe infections may be risk factors for dementia, with minimal excess risk attributable to comorbidities.

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