The superficial and deep venous network of patients with chronic venou
s insufficiency is constantly undergoing change requiring careful foll
ow-up and adapted therapy. Prevention, whether physical or medical, is
recommended at all stages of the disease. The veins must be protected
from factors which worsen venous abnormalities and drugs improving ve
nous return should be prescribed. It is essential to avoid further agg
ravation of chronic venous insufficiency. The treatment has two object
ives. First, and most important, to diminish or alleviate global or lo
cal venous hyperpressure which can be attained by surgery or sclerothe
rapy of venous leaking, via the crosses or perforating veins, into the
superficial network. Venous hyperpressure can also be reduced by re-e
stabilishing normal venous haemodynamics with conservative techniques
included elastic support or surgical techniques including CHI VA. Fina
lly, the second objective is to diminish or alleviate inaesthetic vari
cose veins and telangiectases.