MARKERS OF INFLAMMATION ARE MODIFIED BY SEX, FRAILTY AND EXERCISE IN A HEAD-DOWN TILT BEDREST STUDY
2024
Inflammation and Exercise During Bedrest
Sample size: 20
publication
Evidence: moderate
Author Information
Author(s): Howlett Susan, Hodgins Maddison L, Godin Judith, Rockwood Kenneth, Grandy Scott
Primary Institution: Dalhousie University
Hypothesis
Does Head-Down Tilt bedrest with or without exercise alter inflammatory markers implicated in frailty?
Conclusion
Inflammatory markers increased during bedrest and were higher in males, but some declined during recovery, especially with exercise.
Supporting Evidence
- Proinflammatory marker levels increased during bedrest in all groups but were higher in males than females.
- IL-8 declined during recovery in all groups, although it remained higher in males.
- The anti-inflammatory cytokine IL-10 was higher in males than females during bedrest.
- Proinflammatory cytokines increased as frailty increased in all participants during bedrest.
- Exercise increased IL-1ra levels, which may help reduce inflammation in older adults.
Takeaway
When older people lie down for a long time, their bodies can get more inflamed, but exercising can help reduce this inflammation.
Methodology
Participants underwent 2 weeks of Head-Down Tilt bedrest with some assigned to an exercise intervention, and inflammatory markers were measured.
Participant Demographics
Twenty 55-65-year-old males and females.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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