Venous insufficiency is a problem with the flow of blood from the veins of the legs back to the heart. It's also called chronic venous insufficiency or chronic venous stasis. Your veins bring blood ...

Iliac venous outflow obstruction has an important role in the expression of symptomatic chronic venous insufficiency. This anatomic obstruction is frequently overlooked, owing in part to ...

This method is ineffective for varicose veins from grade 2 onwards as it cannot affect the deep venous system, located 1-2 cm beneath the skin and the main cause of saphenous vein insufficiency.

However, we argue that given that vascular insufficiency secondary to catheter placement is more likely secondary to an arterial catheter as opposed to a central or peripheral venous catheter ...

Medically reviewed by Angela Ryan Lee, MD Spider veins, also known as telangiectasias or thread veins, resemble spider webs or tree branches. They occur when damage to blood vessels close to the ...