CVD	Chronic venous disease
ED	Endothelial dysfunction
OS	Oxidative stress
ROS	Reactive oxygen species
RNS	Reactive nitrogen species
SS	Shear stress
VSMCs	Vascular smooth muscle cells
ECs	Endothelial cells
CEAP	Clinical-Etiology-Anatomy-Pathophysiology classification
DVT	Deep vein thrombosis
PTS	Post-thrombotic syndrome
BM	Basement membrane
NOS	Nitric oxide synthases