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Leg ulcer; CVI in the leg may cause the following: Venous stasis; Venous ulcers [8] Stasis dermatitis, [8] also known as varicose eczema; Contact dermatitis, [8] a disrupted epidermal barrier due to venous insufficiency, making patients more susceptible than the general population to contact sensitization and subsequent dermatitis.
Varicose veins are unlikely to be caused by crossing the legs or ankles. [17] Less commonly, but not exceptionally, varicose veins can be due to other causes, such as post-phlebitic obstruction or incontinence, venous and arteriovenous malformations. [18] Venous reflux is a significant cause. Research has also shown the importance of pelvic ...
The exact cause of venous ulcers is not certain, but a common denominator is generally venous stasis, which may be caused by chronic venous insufficiency, [8] and/or congestive heart failure. [9] Venous stasis causes the pressure in veins to increase.
Major surgery and trauma increase risk because of tissue factor from outside the vascular system entering the blood. [62] Minor injuries, [63] lower limb amputation, [64] hip fracture, and long bone fractures are also risks. [9] In orthopedic surgery, venous stasis can be temporarily provoked by a cessation of blood flow as part of the ...
This valvular incompetence combined with persistent venous obstruction from thrombus increases the pressure in veins and capillaries. Venous hypertension induces a rupture of small superficial veins, subcutaneous hemorrhage [7] and an increase of tissue permeability. That is manifested by pain, swelling, discoloration, and even ulceration.
The resulting reflux can cause a rapid deterioration in an existing varicose disease and be responsible for the development of venous ulcers. In the past, when varicose vein surgery is undertaken, the surgeon carefully ligated all perforators, [ 5 ] but some believe that you can use conservative techniques to treat varicose disease use ...
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