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"Thrombocytopenia" and "TAVI"

Alexander Sedaghat, Nora Falkenberg, Jan-Malte Sinning, Hannah Kulka, Christoph Hammerstingl, Georg Nickenig, Johannes Oldenburg, Bernd Pötzsch, Nikos Werner
BACKGROUND: Thrombocytopenia after transcatheter aortic valve implantation (TAVI) has been evaluated in several studies, but the pathomechanisms behind this phenomenon are not well described. Here, we assess the influence of TAVI on hemostasis-related biomarkers and their potential role in post-TAVI thrombocytopenia. METHODS AND RESULTS: We assessed perioperative platelet counts in 307 patients undergoing transfemoral TAVI. Additionally, hemostasis-related biomarkers including thrombin-anti-thrombin complex (TAT), prothrombin activation fragment 1+2 (F1+2), plasmin-α₂-antiplasmin complex (PAP), and d-dimer were assessed in a subcohort of 35 patients...
October 15, 2016: International Journal of Cardiology
Hakan Erkan, Levent Korkmaz, Gülhanim Kiriş, Sükrü Celik
Transcatheter aortic valve implantation (TAVI) has been commonly used to treat patients with aortic stenosis who have a contraindication to, or a high risk of, corrective surgery. Anti-thrombotic treatment is an important part of the TAVI procedure to avoid thrombotic complications during both peri- and post-procedural periods. However, no specific data are available regarding the safety of TAVI with or without anti-thrombotic treatment, either during the surgical procedure or follow up period in patients with thrombocytopenia, such as myelofibrosis...
March 2015: Journal of Heart Valve Disease
Henrik Fox, Katrin Hemmann, Mirko Doss, Andres Beiras-Fernandez, Andreas M Zeiher, Anton Moritz, Stephan Fichtlscherer, Ralf Lehmann
Untreated symptomatic high-grade aortic stenosis remains a lethal disease. Therefore, a comprehensive evaluation is necessary to obtain the best individual treatment for each patient. Recently, transcatheter aortic valve implantation (TAVI) was developed as an innovative therapy for high-risk and inoperable patients. Persistent thrombocytopenia is an established risk for conventional open heart surgery, but is not covered by traditional surgical risk scores. The aim of the study was the investigation of safety and feasibility of TAVI in patients with severe thrombocytopenia...
October 2013: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
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