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The most common cause of chronic venous insufficiency is reflux of the venous valves of superficial veins. [2] This may in turn be caused by several conditions: Deep vein thrombosis (DVT), that is, blood clots in the deep veins. Chronic venous insufficiency caused by DVT may be described as postthrombotic syndrome. DVT triggers an inflammatory ...
Chronic venous insufficiency (CVI) is when the valves in the leg veins don’t work right and inappropriately allow blood to flow backward, back into the legs/feet from the effects of gravity.
Venous insufficiency is the most common disorder of the venous system, and is usually manifested as either spider veins or varicose veins. Several treatments are available including endovenous thermal ablation (using radiofrequency or laser energy), vein stripping, ambulatory phlebectomy, foam sclerotherapy, laser, or compression. [citation needed]
Venous leak, also called venogenic erectile dysfunction and penile venous insufficiency, is one category of vasculogenic impotence — a cause of erectile dysfunction in males. [2] It affects all ages, being particularly awkward in young men. [ 3 ]
Like other signs of deep vein thrombosis, such as Homans sign and Bancroft's sign, this sign is neither sensitive nor specific for the presence of thrombosis. [ 1 ] [ 2 ] The sign is named after Robert I. Lowenberg (1917–2000), who described it in 1954.
Ultrasonography for deep venous thrombosis must be performed to evaluate the situation: the degree of obstruction by clots, the location of these clots, and the detection of deep and/or superficial venous insufficiency. [16] [17] Since signs and symptoms of DVT and PTS may be quite similar, a diagnosis of PTS should be delayed for 3–6 months ...
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