In this retrospective review of 460 consecutive patients undergoing transcatheter aortic valve implantation with the Edwards Sapiens XT or Sapiens 3 prosthesis, the authors analyse the incidence, clinical implications and predisposing factors related to trancatheter heart valve (THV) thrombosis. Of the 460 patients, 405 (88%) underwent multidetector computed tomography in addition to TTE and transesophageal echocardiography (TEE). The incidence of THV thrombosis was 7% (28 of 405 patients). Of these, 5 patients (18%) developed heart failure symptoms during the 12-month follow-up period. The use of a 29 mm THV and no warfarin post-TAVR treatment were independently associated with an increased risk of THV thrombosis. Treatment with warfarin effectively reversed THV thrombosis findings and normalized THV function.
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Transcatheter Aortic Heart Valve Thrombosis: Incidence, Predisposing Factors, and Clinical Implications
Source: Journal of the American College of Cardiology
Source URL: http://www.ncbi.nlm.nih.gov/pubmed/27580689
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Author(s): Hansson NC, Grove EL, Andersen HR, Leipsic J, Mathiassen ON, Jensen JM, Jensen KT, Blanke P, Leetmaa T, Tang M, Krusell LR, Klaaborg KE, Christiansen EH, Terp K, Terkelsen CJ, Poulsen SH, Webb J, Bøtker HE, Nørgaard BL.
