Prevention of Venous Stasis Ulcers
Venous stasis ulcers happen when sustained high pressure occurs in the veins of the lower extremities. As the pressure rises and the venous stasis occurs, capillaries become stretched and more permeable. Protein leaks out into the surrounding tissues, and fibrinogen is converted to fibrin that starts to interfere with the exchange of oxygen and nutrients. This causes tissues to break down and venous ulceration to appear.
The most common causes for these ulcers are:
- Prior leg injury
- Varicose veins or related surgery
- Prolonged standing or sitting
- Deep vein thrombosis
Symptoms usually involve aches and pain at the spot of the ulcer, limb heaviness, increased leg pain late in the day, and pain that is lessened by elevating the leg. A doctor will recommend care that involves local wound care and adequate mechanical compression therapy.
Vascular PRN compression therapy devices reduce venous stasis by promoting venous blood flow. This will also improve fibrinolytic activity. The devices will help even after the ulcer is healed, as oftentimes the ulcers will reoccur throughout the patient’s lifetime.
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