Dementia Risk Factors and White Matter Changes in Rural Older Adults
Author Information
Author(s): Bender Andrew, Giriprakash Pavithran Pattiam, Cordes Dietmar, Caldwell Jessica, Miller Justin
Primary Institution: Cleveland Clinic
Hypothesis
The study investigates the associations between dementia risk factors and white matter alterations in rural-dwelling older adults.
Conclusion
The study found that certain dementia risk factors are associated with lower white matter fiber density in older adults living in rural areas.
Supporting Evidence
- APOE e4 allele carriage is associated with lower white matter fiber density.
- A family history of dementia correlates with changes in white matter microstructure.
- Higher body mass index (BMI) is linked to altered white matter in older adults.
- Self-reported diagnoses of hypertension and sleep apnea are associated with lower fiber density.
Takeaway
This study looked at older people living in the countryside and found that some health issues can change the way their brain's white matter looks.
Methodology
The study used diffusion-weighted magnetic resonance imaging (dMRI) and voxel-based analysis (VBA) to evaluate the impact of various dementia risk factors on white matter microstructure.
Limitations
The study is limited to rural-dwelling older adults and may not generalize to other populations.
Participant Demographics
Older adults from rural areas without dementia.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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