Ambulatory blood pressure pattern in elderly athletes

Area of Science:

• Cardiovascular Physiology
• Gerontology
• Exercise Science

Background:

• Parasympathetic nervous system activity is crucial for cardiovascular regulation.
• Assessing autonomic function in the elderly is important for understanding age-related cardiovascular changes.

Purpose of the Study:

• To compare circadian blood pressure (BP) and heart rate (HR) patterns in elderly athletes versus sedentary individuals.
• To investigate the impact of prolonged physical training on autonomic cardiovascular control in the elderly.

Main Methods:

• Ambulatory 24-hour non-invasive monitoring of BP and HR.
• Comparison of BP and HR circadian variability and mean values between two groups: elderly athletes (n=10) and sedentary healthy peers (n=10).

Main Results:

• Elderly athletes showed significantly lower 24-hour systolic BP and reduced BP variability (systolic and diastolic, day and night).
• Elderly athletes exhibited significantly lower mean 24-hour HR and reduced HR variability (24-hour, day, and night).
• These findings suggest improved parasympathetic control in elderly athletes.

Conclusions:

• Prolonged physical training enhances parasympathetic control of the cardiovascular system in the elderly.
• Regular exercise in older adults leads to lower BP and HR, with decreased cardiovascular variability.
• This enhanced autonomic tone confers a more youthful cardiovascular profile to elderly athletes.