Understanding Venous Stasis: Causes and Consequences

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Skin discoloration of the lower legs, ankles and feet may appear if there is increased pressure in the leg veins. The pressure may be the result of venous stasis. This is a condition in which there is poor blood flow from the legs back to the heart. It usually occurs when varicose veins have formed and the blood starts to pool in the veins and becomes stagnant. As it accumulates, small and medium sized veins may spring a tiny leak and some blood passes into the tissue. Once in the tissue, the blood breaks up and iron is released that stains the skin causing it to turn brown.

In very severe cases, the subcutaneous fat and skin become weak and break down creating venous stasis ulcerations that may. Blisters may form and a clear fluid may leak from the ulcers. The people who are the most at risk of developing venous stasis are people 50 years and older and people with heart disease, are obese and sit for long periods of time every day. It is also more common in women than in men. Other causes are:

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Some of the symptoms include itching and ulcers. There may also be symptoms of venous insufficiency such as calf pain and tenderness, ankle swelling and a heaviness in your legs that gets better when you sit down.

When the dermatitis is just beginning to develop, it may itch. You should not scratch the area because it would tear the skin and cause the fluid to leak. If you do not get treatment, the skin may begin to thicken and become hard and dark brown. At this stage, ulcers may form on the inside of your ankle.

To avoid skin discoloration, you may follow the same recommendations for avoiding venous insufficiency. These

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