Key result
Advanced age is linked to higher vascular resistance, reduced arterial compliance, and prolonged ventricular systole.
Why the study?
Sensitivity analysis and subset selection methods can be employed to estimate key parameters in a lumped cardiovascular model predicting systemic circulation pressure and flow in healthy young and elderly subjects.
The proposed mathematical modeling methodology allows for the noninvasive extraction and estimation of clinical cardiovascular markers such as systemic and cerebral resistance.
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May inform age-adjusted hemodynamic monitoring; leaves open outcome prediction and therapeutic implications.
Pope et al. (2008) studied Healthy. Advanced age vs. Young age was evaluated on Total systemic resistance, cerebrovascular resistance, arterial compliance, and time for peak systolic ventricular pressure. Advanced age was associated with increased total systemic and cerebral resistances, increased time for peak systolic ventricular pressure, and reduced arterial compliance.
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