which is a risk factor for venous disorders of the lower extremities?
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Although some risk factors for venous disease such as age, family history of venous disease, and findings suggestive of ligamentous laxity (hernia surgery, flat feet) are immutable, others can be modified, such as weight, physical activity, and cigarette smoking.
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The most common causes of venous insufficiency are previous cases of blood clots and varicose veins. When forward flow through the veins is obstructed — such as in the case of a blood clot — blood builds up below the clot, which can lead to venous insufficiency.
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Venous Diseases A DVT can be large enough to put pressure on surrounding nerves, or cut off blood supply to the nerves causing the pins and needles sensation, numbness and even pain the leg. DVT can be a dangerous condition if left untreated.
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It is not life-threatening, but it is usually chronic. Symptoms of venous insufficiency include varicose veins, swelling, and heavy, aching legs. Left untreated, venous insufficiency can lead to other health conditions, such as dermatitis, venous ulceration, and chronic venous hypertension.
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Deep venous thrombosis (DVT) has been noted to occur as much as 60% more frequently in the left lower extremity than in the right lower extremity (1). Investigators since Virchow have suggested that this disparity may be related to compression of the left common iliac vein (LCIV) by the right common iliac artery (2).
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Venous disease, including varicose veins and chronic venous insufficiency, is one of the most common chronic medical conditions. Haemorrhage from rupture of varicose veins in the legs is rare and can lead to sudden death.
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Water is important for healthy veins Dehydration is a leading cause of DVT because it may cause your blood to thicken and clot. To help prevent blood clots, it is important to drink 8 ounces of water every 2 hours throughout the day.
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DVT occurs most commonly in the lower extremities or pelvis (see figure Deep veins of the legs). It can also develop in deep veins of the upper extremities (4 to 13% of DVT cases).
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Chronic Venous Insufficiency (CVI) Chronic venous insufficiency worldwide is a very common problem whether it's the result of pregnancy, genetics, race, sex or immobility. Weight gain may initiate the process of vein pain and discomfort, often followed by restless legs and problems with movement if left unchecked.
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While stress itself does not cause venous insufficiency or varicose veins, it can play a role in increasing your risks.
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Chronic venous insufficiency is caused by malfunction of the venous system associated with chronic venous hypertension. When the venous system is normal, exercise such as walking activates the calf muscle pump, reducing the venous pressure in the foot from 90 mm Hg on standing to around 30 mm Hg during walking.
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Venous stagnation, a major risk factor for deep vein thrombus and pulmonary embolism formation, can be prevented by frequent ambulation after surgery. A high ventilation/perfusion (V/Q) ratio can be caused by: A) increased dead space.
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If you have chronic venous insufficiency (CVI), the valves don't work like they should and some of the blood may go back down into your legs. That causes blood to pool or collect in the veins. Over time, CVI can cause pain, swelling, and skin changes in your legs.
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DVT/PE is a serious condition and does not usually occur with varicose veins, because varicose veins affect the veins close to the surface of the skin. However, with severe varicose veins, there can be a risk that a DVT might occur. Your healthcare provider can help you assess your risk for deep vein thrombosis.
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Being older than 60 increases your risk of DVT, though it can occur at any age. Sitting for long periods of time, such as when driving or flying. When your legs remain still for hours, your calf muscles don't contract, which normally helps blood circulate.
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Besides a surface network of veins, your legs have an interior, or deep, venous network. On rare occasions, an interior leg vein becomes varicose. Such deep varicose veins are usually not visible, but they can cause swelling or aching throughout the leg and may be sites where blood clots can form.
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Chronic Venous Insufficiency (CVI): Prevention Exercise regularly. Avoid wearing restrictive clothing such as tight girdles or belts. Lose weight if you are overweight. Avoid prolonged sitting or standing.