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Clinical Trial Summary

Aging is linked to a higher risk of cardiovascular disease. Physical exercise is recognized as an excellent strategy to prevent cardiovascular diseases and cognitive aspects, generating healthier elderly people. The beneficial effects of physical training seem to be greater when performed: - In hypoxic conditions (i.e. when the amount of oxygen in the air is decreased as at altitude). - With intermittent blood flow restriction (by inflating pneumatic cuffs around the thighs to a pressure that restricts blood flow). This equipment is harmless. - With eccentric training (resisting against the movement of the pedal of a bicycle rather than pushing it). The purpose of this study is then to evaluate whether moderate intensity intermittent training can induce similar or greater effects on cardiovascular health when combined with intermittent hypoxia, intermittent blood flow restriction or eccentric training.


Clinical Trial Description

Aging is associated with a higher risk of cardiovascular disease due mainly to high blood pressure. Physical exercise is recognized as an excellent non-pharmacological strategy to prevent cardiovascular disease and cognitive aspects, thus generating healthier elderly people. - Interestingly, living at altitude seems to reduce some cardiovascular risks. In addition, the beneficial effects of physical training seem to be greater when performed under hypoxic conditions (i.e. when the amount of oxygen in the air is decreased as at altitude). - Another interesting strategy for the elderly is intermittent blood flow restriction. This involves inflating pneumatic cuffs around the limb(s) to a pressure that blocks or restricts blood flow to the affected muscles, alternating with rest phases. It has been found that endurance training, combined with blood flow restriction, promotes the growth of new blood vessels, which could be particularly important for the prevention of cardiovascular disease in the elderly, which is unfortunately common. - Eccentric training is currently emerging as a promising training strategy for the elderly. It consists of resisting the movement of the pedal of a bicycle rather than pushing it. It requires less energy effort than traditional exercise with the same workload. Eccentric training has been shown to improve older adults' body composition and muscle strength, thereby improving exercise capacity and quality of life. These training strategies may be of interest for cardiovascular health in older adults. However, there are few data on their combined effects with exercise in the elderly and there is no consensus to favor one method over another. The objective of this study is then to evaluate whether moderate-intensity intermittent training can induce similar or superior effects on health indicators when combined with intermittent hypoxia, partial vascular occlusion, or eccentric training. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05207501
Study type Interventional
Source University of Lausanne
Contact
Status Completed
Phase N/A
Start date September 1, 2022
Completion date March 30, 2023

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