Bloodstream infection

Bloodstream infection has been studied in 1 paper since 2026: 1 observational study in people; 1 in the past year. The newest story, Nov 9, 2026: “Bloodstream infections linked to later dementia in Welsh adults”.

Exposure

1 paper studies it2 findingsUpdated

See all 1 papers on bloodstream infection

At a glance

The findings reach people, from one lab or study. 1 lab in 1 country.

“BSI was associated with an increased cumulative hazard of dementia corresponding to 160 (128-182) additional cases per 1000 person-years 10 years after exposure.”
Risk of dementia after bloodstream infection-a nationwide propensity score matched cohort studyAge and ageing2026doi:10.1093/ageing/afag178

None of its findings points the other way.

Humans: a single group. Cells, worms or flies and mice: nothing yet.
  • 1 lab in 1 country
  • Humans1

What is bloodstream infection linked with?

2

Studies link bloodstream infection with 2 measures: lung cancer and dementia.

Lung cancer

upin humans1

1 study
  1. Bloodstream infection is linked with a higher risk of lung cancer in humans (12.4 (5.4-19.5) additional cases per 1000 person-years).

    “BSI was potentially associated with a small excess hazard of lung cancer [12.4 (5.4-19.5) additional cases per 1000 person-years 10 years after exposure].”

    Humans10 years

    Bloodstream infections linked to later dementia in Welsh adults

    Age and ageing

More on Lung cancer

Dementia

upin humans1

1 study
  1. Bloodstream infection is linked with a higher risk of dementia in humans (160 (128-182) additional cases per 1000 person-years).

    “BSI was associated with an increased cumulative hazard of dementia corresponding to 160 (128-182) additional cases per 1000 person-years 10 years after exposure.”

    Humans10 years

    Bloodstream infections linked to later dementia in Welsh adults

    Age and ageing

More on Dementia

Latest

Dec 2025: 0Jan 2026: 0Feb 2026: 0Mar 2026: 0Apr 2026: 0May 2026: 0Jun 2026: 1Jul 2026: 0Aug 2026: 0Sep 2026: 0Oct 2026: 0Nov 2026: 01 paper in 12 months
Age and Ageing

Bloodstream infections linked to later dementia in Welsh adults

A model estimated 160 additional dementia cases per 1,000 person-years at 10 years after bloodstream infection, compared with matched controls.A model estimated 160 additional dementia cases per 1,000 person-years at 10 years after bloodstream infection, compared with matched controls.

Cohort studyDementia