Venous insufficiency: MedlinePlus Medical Encyclopedia

Normally, valves in your deeper leg veins keep blood moving forward toward the heart. With chronic venous insufficiency, vein walls are weakened and valves are damaged. This causes the veins to stay filled with blood, especially when you are standing.

Chronic venous insufficiency is a long-term condition. It is most commonly due to malfunctioning (incompetent) valves in the veins. It may also occur as the result of a past blood clot in the legs.

Risk factors for venous insufficiency include:

  • Age  
  • Family history of this condition
  • Female gender (related to levels of the hormone progesterone)
  • History of deep vein thrombosis in the legs
  • Obesity
  • Pregnancy
  • Sitting or standing for a long periods
  • Tall height

Sourced through Scoop.it from: www.nlm.nih.gov



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