Urinary tract infection

Urinary tract infection has been studied in 7 papers since 2019: 6 observational studies in people, 1 in animals; 2 in the past year. The newest paper, Jun 17, 2026: “A multistate model of frailty progression after severe infections in adults ≥65 years in England: a matched-cohort study”.

Exposure

7 papers study it3 findingsUpdated

See all 7

“Our results showed that all three exposures were associated with an elevated risk of dementia, especially in the first year after exposure diagnosis.”
REASSESSING POSITIVE RESULTS: DETECTION BIAS IN EPIDEMIOLOGIC DEMENTIA STUDIES OF ELECTRONIC HEALTH RECORD DATAGSA 2024 abstract2024doi:10.1093/geroni/igae098.0530

None of its findings points the other way.

  • 3 independent labs in 2 countries
  • Funders: Deutsche Forschungsgemeinschaft and 7 more
  • Humans6
  • Animals1

What did studies of urinary tract infection find?

1

Studies of urinary tract infection measured 1 outcome; the most studied are bladder tertiary lymphoid tissue (1 study).

Bladder tertiary lymphoid tissue

no changein mice1

1 study
  1. Urinary tract infection showed no clear effect on bladder tertiary lymphoid tissue in mice (experimental UTI).

    “bTLT formation was dependent on aging and independent of infection.”

    Animalsexperimental UTIbladderfemales

    Tertiary lymphoid tissue develops during normal aging in mice and humans

    bioRxiv (Cold Spring Harbor Laboratory)Preprint

What is urinary tract infection linked with?

1

Studies link urinary tract infection with 1 measure, most often dementia (2 studies).

Dementia

upin humans2OR 1.23

2 studies
  1. Urinary tract infection is linked with a higher risk of dementia in the first year after exposure diagnosis.

    “Our results showed that all three exposures were associated with an elevated risk of dementia, especially in the first year after exposure diagnosis.”

    Humansin the first year after exposure diagnosis0–1 year after exposure

    REASSESSING POSITIVE RESULTS: DETECTION BIAS IN EPIDEMIOLOGIC DEMENTIA STUDIES OF ELECTRONIC HEALTH RECORD DATA

    GSA 2024 abstract

  2. Urinary tract infection is linked with a higher risk of dementia in humans (OR 1.23 (95% CI: 1.16-1.30)).

    “Influenza, urinary tract infections, intestinal infections, and sepsis showed independent positive associations with subsequent dementia diagnosis, irrespective of other comorbidities”

    Humansn = 58,208

    Heightened Prevalence of Common Hospital-Treated Infections Preceding Dementia Diagnosis with Accelerated Dementia Onset after Influenza

    The journal of prevention of Alzheimer's disease

More on Dementia

Latest

Dec 2025: 1Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 1Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 0Nov 2026: 02 papers in 12 months