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Related Concept Videos

Exercise and Cardiac Output01:17

Exercise and Cardiac Output

Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be met...
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Exercise and Cardiovascular Response

Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
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Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
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Pharmacokinetics in Geriatric Patients: Effect of Age on Drug Distribution

Drug distribution in the human body is influenced by several factors, including plasma protein concentration, body composition, blood flow, tissue-protein concentration, and tissue fluid pH. Among these, changes in plasma protein concentration and body composition due to aging significantly affect how drugs are distributed within the body. Specifically, aging is associated with a decrease in albumin levels by about 10% and an increase in α1-acid glycoprotein levels. These alterations are not...
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Drug Dosing: Geriatric Patients

Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
Pathophysiology of Cardiac Performance01:29

Pathophysiology of Cardiac Performance

Typical heart performance is influenced by heart rate, rhythm, myocardial contraction, and metabolism or blood flow. The cardiac muscle exhibits distinct electrophysiological features, including pacemaker activity and calcium channel control, which play a vital role in the heart's response to various drugs. The autonomic nervous system, comprising the sympathetic and parasympathetic branches, regulates heart rate. Sympathetic activation increases heart rate, while parasympathetic activation...

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Improving Strength, Power, Muscle Aerobic Capacity, and Glucose Tolerance through Short-term Progressive Strength Training Among Elderly People
12:59

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Published on: July 5, 2017

Physical activity and cardiac function in the oldest old.

Irit Stessman-Lande1, Jeremy M Jacobs, Dan Gilon

  • 1Heart Institute, Hadassah-Hebrew University Medical Center, Jerusalem, Israel. irit.stessman@mail.huji.ac.il

Rejuvenation Research
|October 19, 2011
PubMed
Summary
This summary is machine-generated.

Physical activity (PA) did not show a significant association with cardiac structure or function in the oldest old. This study found no link between exercise levels and heart health in very elderly individuals.

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Area of Science:

  • Gerontology
  • Cardiology
  • Public Health

Background:

  • The impact of physical activity (PA) on cardiac function in the oldest old is not well understood.
  • Maintaining cardiovascular health is crucial for aging populations.

Purpose of the Study:

  • To investigate the relationship between physical activity and cardiac structure and function in individuals aged 85+.
  • To determine if regular exercise benefits heart health in the oldest-old population.

Main Methods:

  • Utilized data from the Jerusalem Longitudinal Cohort Study, including 496 participants (born 1920-1921).
  • Assessed cardiac structure and function using echocardiography (ejection fraction, E:E' for diastolic function).
  • Defined physical activity categorically and dichotomously, alongside structured interviews and physical examinations.

Main Results:

  • Bivariate analysis showed lower ejection fraction in sedentary women compared to active women (p=0.021).
  • No other significant differences in systolic or diastolic function were observed between sedentary and active subjects.
  • After adjusting for multiple health factors, no significant associations were found between PA and cardiac structure or function.

Conclusions:

  • This study found no significant association between physical activity and cardiac structure or function in the oldest old.
  • The findings suggest that PA may not directly impact cardiac parameters in this specific age group, warranting further investigation.