In ageing, deleterious alterations in cardiovascular (CV) structure and function increase risks of ageing-related cardiovascular disease (CVD). Investigators found that these CV alterations were associated with circulating serum metabolites, suggesting a metabolic basis to CV ageing. Investigators hypothesize that modification of these metabolites by intervention, such as exercise, may retard CV alterations and reduce CVD in ageing.
Participants from each stratum will be randomized to receive either an exercise program intervention or no exercise. At the start and end of study, participants will undergo cardiovascular imaging and metabolic profiling. Investigators will determine if exercise can reverse high-risk metabolic profiles and improve cardiovascular structure and function. Without clear mechanisms to explain cardiovascular ageing nor interventions known to retard cardiovascular ageing, our approach will provide much needed translational evidence to incorporate targeted interventions aimed at reducing cardiovascular disease risk in older populations.
Study Type
OBSERVATIONAL
Enrollment
450
National Heart Centre Singapore
Singapore, Singapore, Singapore
RECRUITINGMetabolite profiles
To measure changes in serum metabolite levels among participants pre and post exercise intervention.
Time frame: 12 Months
Cardiovascular structure and function
To measure changes in CV structure and function (diastolic function, arterial stiffness) among participants.
Time frame: 12 Months
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