Deep vein thrombosis (DVT) can cause long-term scarring and narrowing of veins. When there is extensive damage to the veins in the legs, groin or abdomen it can affect the way that blood is able to flow back up to the heart. Some patients are left with severe symptoms such as pain, leg swelling and ulcers, and have surgical treatment with nitinol stents to re-open the veins and relieve symptoms. The primary aim of this study is to investigate venous blood flow to the heart during exercise in patients with extensive damage to the veins in the groin and abdomen after DVT, and changes that happen after stenting.
Age range
16 Years
Sex
ALL
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VO2 max after stenting
Timeframe: 6-8 weeks post surgery
Peak cardiac output during exercise
Timeframe: 6-8 weeks post surgery