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Eculizumab effect on the hemostatic state in patients with paroxysmal nocturnal hemoglobinuriaстатья
- Авторы: Seregina E.A., Tsvetaeva N.V., Nikulina O.F., Zapariy A.P., Erasov A.V., Gribkova I.V., Orel E.B., Ataullakhanov F.I., Balandina A.N.
- Журнал: Blood Cells, Molecules, and Diseases
- Год издания: 2014
- Издательство: Academic Press
- Местоположение издательства: United States
- Аннотация: Paroxysmal nocturnal hemoglobinuria (PNH) is characterized by a hypercoagulable state associated with acute hemolysis. Eculizumab is used to reduce the intensity of intravascular hemolysis in PNH patients. The hemostatic status of three patients with PNH was assessed during eculizumab treatment by D-dimer assay and the global assays: thromboelastography (TEG), thrombin generation test (TGcapital TE, Cyrillic), and thrombodynamics (TD). In the state of hemolytic crisis before the therapy D-dimer concentration was increased in two patients accompanied by hypercoagulation changes in TEG parameter angle (alpha). TD parameter the clot growth velocity (V) revealed hypercoagulability while TGT parameter ETP was within the normal range in all patients. The lactate dehydrogenase (LDH) activity decreased during the 8months of eculizumab therapy. The physical health was improved, the frequency of hemolytic crisis decreased. Patients periodically exhibited hypercoagulable state: the mean values alpha=38+/-11 degrees (with normal range 20-40 degrees ), ETP=1311+/-442nM.min (with normal range 800-1560nM.min), V=31+/-4mum/min (with normal range 20-29mum/min). During the eculizumab therapy two patients had the repeated clinical manifestation of acute hemolytic crisis, the parameters of the global tests were increased compared to the previous measurement. The global hemostasis tests TEG, TGT and TD revealed hypercoagulability in patients with PNH during eculizumab therapy
- Добавил в систему: Атауллаханов Фазоил Иноятович