Early lotus transcatheter aortic valve thrombosis
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"Valve thrombosis is an important problem of surgical valves and also newer generation transcatheter valves. Valve thrombosis has been reported in different transcatheter valves, such as Edwards and Corevalve valves. Valve thrombosis after Lotus valve implantation has not been reported. To the best of our knowledge, this is the first report in the literature of a Lotus valve thrombosis. The patient discharged home on aspirin and clopidogrel after procedure, however she became symptomatic soon and the diagnosis of prosthetic valve malfunction due to thrombosis was made. Patient treated with anticoagulant therapy. A 86 years old female patient was referred to our hospital due to severe aortic stenosis. Patient was suffering from dyspnea and chest pain. Transthoracic echocardiography (TTE) revealed a concentric hypertrophic left ventricle with preserved left ventricular ejection fraction (EF 55%) and a severely calcified aortic valve with a maximum pressure gradient (PG) of 77 mmHg and a mean PG of 47 mm Hg. Aortic valve area (AVA) indexed by body surface area was 0.6 cm2/m2. Preprocedural coronary angiography revealed nonstenotic coronary atherosclerotic plaque.The patient discharged home on aspirin and clopidogrel after procedure, however she became symptomatic soon and the diagnosis of prosthetic valve malfunction due to thrombosis was made. Patient treated with anticoagulant therapy."....

http://www.openaccessjournals.com/articles/early-lotus-transcatheter-aortic-valve-thrombosis.html
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