Abstract
Cardiovascular events are the consequence of vascular damage at both the macro and microcirculatory level. The relationship between large stiffening artery and microvascular disease may be bidirectional, since wave reflection from microvascular sites could increase systolic blood pressure and pulse pressure, while transmission of increased arterial pulsatility to microvessels could represent a mechanism of damage. Hypertension and aging share similar mechanisms of vascular dysfunction. In fact, vascular remodelling, endothelial dysfunction and vascular stiffness are common features in hypertension and aging. Structural and functional changes in small arteries occur during normal and accelerated aging, possibly triggered by hypertension. A cross-talk may be present between large and small artery changes, interacting with pressure wave transmission and reflection, exaggerating cardiac, brain and kidney damage, and finally leading to cardiovascular and renal complications.
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