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Frequently Asked Questions
| Acute Deep Venous Thrombosis and Its Complications |
| Q: What is deep venous thrombosis?
A: A deep venous thrombosis is a blood clot that develops in the veins of the leg.
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| Q: What causes a deep venous thrombosis?
A: Abnormalities in the coagulation (blood clotting) system in association with low blood flow in the leg veins and injury to the lining of the veins may lead to a deep venous thrombosis (DVT). Most DVTs develop in association with risk factors such as surgery, injury, or the use of oral contraceptives.
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| Q: What are the symptoms of deep venous thrombosis?
A: Although a DVT developing after surgery may not cause any symptoms, many DVTs are associated with symptoms of pain and swelling in the affected leg. Other symptoms such as a blue discoloration and fullness of the superficial veins (the veins just beneath the skin) may also be present.
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| Q: What are the major complications of deep venous thrombosis?
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Pulmonary embolism, caused by a blood clot or thrombus that migrates to the lungs, is a potentially life-threatening complication of DVT. The post-thrombotic syndrome, with symptoms of pain, swelling, skin pigmentation, and ulceration, may be associated with late disability. |
| Q: How is a deep venous thrombosis treated?
A: DVT is treated with anticoagulant medications. These drugs prevent both new DVTs and pulmonary embolism. Treatment usually consists of an injectable medication (heparin or low molecular weight heparin) for at least 5 days followed by warfarin, an oral medication, for several months. Selected patients, particularly those with thrombus affecting the pelvic veins, may be candidates for treatment with clot-dissolving (thrombolytic) drugs. In addition, compression stockings may prevent some of the symptoms of post-thrombotic syndrome.
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The American Venous Forum mission: To promote venous and lymphatic health through innovative research, education and
technology.
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