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Postural Hypotension and Cognitive Function in Older Adults.
Kenneth J McLeod1, Teesta Jain1
1Binghamton University, NY, USA.
Gerontology & Geriatric Medicine
|October 6, 2017
Summary
Passive calf muscle stimulation may improve cognitive function in older adults by increasing blood pressure. This approach offers a potential solution for age-related cognitive decline, addressing poor compliance with traditional exercise programs.
Area of Science:
- Gerontology
- Neuroscience
- Cardiovascular Physiology
Background:
- Cognitive decline in the elderly is linked to chronic cerebral hypoperfusion.
- Traditional exercise programs show poor compliance among older adults for cognitive improvement.
- Passive exercise, such as muscle stimulation, is explored as an alternative intervention.
Purpose of the Study:
- To determine if passive muscle stimulation can reverse postural hypotension in older adults.
- To assess if improved blood pressure through muscle stimulation significantly enhances cognitive function.
- To investigate the link between diastolic blood pressure and executive function.
Main Methods:
- Fifty to 80-year-old women participated in the study.
- Cognitive testing and cardiac hemodynamic recordings were performed during quiet sitting.
- Soleus muscle stimulation was applied for 60 minutes, with continued hemodynamic monitoring.
Main Results:
- Two-thirds of participants experienced hypotension (diastolic blood pressure [DBP] < 70 mmHg) after 30 minutes of sitting.
- Cognitive performance correlated positively with higher DBPs.
- Soleus muscle stimulation increased DBP by an average of 6.1 mmHg, potentially improving cognitive performance by over 30%.
Conclusions:
- Incongruent Stroop testing effectively differentiates cognitive responses to resting DBP levels.
- Calf muscle pump stimulation shows promise for reversing age-related cognitive impairment.
- Further research is warranted to explore regular use of calf muscle stimulation for cognitive enhancement.
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