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"Институт токсикологии Федерального медико-биологического агентства"
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Институт теоретической и экспериментальной биофизики Российской академии наук.

ООО "ИЦ КОМКОН".




Адрес редакции и реквизиты

199406, Санкт-Петербург, ул.Гаванская, д. 49, корп.2

ISSN 1999-6314

Российская поисковая система
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«
Vol. 16, Art. 51 (pp. 560-567)    |    2015       
»

The effect of rivaroxaban on the platelet functional activity
Geltcer I.V., Tarkovskaya L.R., Smirnova O.A., Golovina O.G., Papayan L.P.

Russian Research Institute of Hematology and Transfusiology, 191024, Saint-Petersburg, 2nd Sovietskaya str., 16



Brief summary

The aim of our study was to determine the effect of rivaroxaban on the platelet functional activity. Materials and methods. Three groups of patients receiving antithrombotic therapy for prevention and treatment of venous thromboembolism were examined. One group received rivaroxaban, the next - antiplatelet therapy, the 3rd - rivaroxaban and antiplatelet drugs. The control group consisted of 30 healthy individuals. The platelets functional activity (the maximum amplitude of aggregation, MA, %) was evaluated by means of induced aggregation using ADP, ristomycin and collagen. Results and discussion. The functional activity of platelets in patients receiving rivaroxaban increased by the addition of collagen. The appointment of antiplatelet drugs, including their combination with the factor Xa inhibitor, was accompanied by decrease of platelet aggregation with collagen. We didn’t find significant differences between the 2nd and 3rd groups. Therefore, rivaroxaban does not affect on platelet functional activity in examined patients. Conclusion. Rivaroxaban has no significant effect on the functional state of platelets. Patients with increased platelet aggregation need in antiplatelet therapy to maintain platelet activity at the optimum level.


Key words

non – vitamin K antagonist anticoagulants, rivaroxaban, thrombin generation, platelet aggregation, antiplatelet therapy, acetylsalicylic acid





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