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The relationship between pulse pressure and leukoaraiosis in the elderly
Seung-Hee Kim1, Jae-Yong Shim, Hye-Ree Lee
1Department of Family Medicine, Yonsei University College of Medicine, 23 Yongmun-ro, Yongin-si, Gyeonggi-do 449-930, Republic of Korea.
Archives of Gerontology and Geriatrics
|April 16, 2011
Summary
Higher pulse pressure is linked to increased leukoaraiosis in elderly men, indicating a potential risk for cerebrovascular changes. This finding highlights the importance of monitoring pulse pressure in older men for brain health.
Area of Science:
- Neurology
- Cardiology
- Geriatrics
Background:
- Leukoaraiosis and elevated pulse pressure are recognized indicators associated with cardiovascular disease, vascular angiopathy, and geriatric syndromes.
- Brain health in the elderly is a growing concern, with a need to understand contributing vascular factors.
Purpose of the Study:
- To investigate the association between pulse pressure and leukoaraiosis in apparently healthy elderly individuals.
- To determine if pulse pressure is an independent risk factor for leukoaraiosis in older adults.
Main Methods:
- A cross-sectional study involving 147 men and 89 women aged 60-82 years.
- Brain magnetic resonance imaging (MRI) was used to assess leukoaraiosis.
- Multivariate logistic regression analyses calculated odds ratios (OR) and 95% confidence intervals (CI) for leukoaraiosis across pulse pressure quartiles.
Main Results:
- The prevalence of leukoaraiosis progressively increased with higher pulse pressure quartiles in both men and women.
- In men, the highest quartile of pulse pressure showed a significantly increased odds ratio (6.80) for leukoaraiosis after adjusting for cardiovascular risk factors.
- This independent association between pulse pressure and leukoaraiosis was not evident in women after similar adjustments.
Conclusions:
- Pulse pressure is independently associated with leukoaraiosis in elderly men, irrespective of traditional cardiovascular risk factors.
- The findings suggest that elevated pulse pressure may be a specific risk marker for cerebrovascular changes in older men.
- Further research may explore gender-specific mechanisms underlying this association.
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