venous stasis venous stasis venous stasis, or venostasis, is a condition of slow blood flow in the veins, usually of the legs. venous stasisother namesvenostasisskin changes as a result of long term venous stasis presentation complications potential complications of venous stasis are: venous ulcers blood clot formation in veins (venous thrombosis), that can occur in the deep veins of the legs (deep vein thrombosis, dvt) or in the superficial veins causes causes of venous stasis include: obesity pregnancy previous damage to leg blood clot smoking swelling and inflammation of a vein close to the skin congestive heart failure. long periods of immobility that can be encountered from driving, flying, bed rest/hospitalization, or having an orthopedic cast. recommendations by clinicians to reduce venous stasis and dvt/pe often encourage increasing walking, calf exercises, and intermittent pneumatic compression when possible. diagnosis