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  • Title: [ON THE ISSUE OF SELECTION OF COAGULANTS UNDER ADP-INDUCED IMPEDANCE TEST OF AGGREGATION OF THROMBOCYTES IN PATIENTS WITH CHRONIC MYELO-PROLIFERATIVE TUMORS].
    Author: Stolyar MA, Ivashin DS, Olkhovsky IA.
    Journal: Klin Lab Diagn; 2017 Mar; 62(3):156-60. PubMed ID: 30620525.
    Abstract:
    The evaluation was implemented concerning impact of anticoagulants used during venous blood sampling, on aggregation of thrombocytes and acetylsalicylic acid effect in vitro in 111 patients with suspicion to chronic myelo-proliferative tumors and 16 healthy volunteers. The vacutainers (Becton Dickinson) with 3.2% citrate, with heparin (Becton Dickinson) and S-Monovette system (Sarstedt AG & Co) with recombinant herudin were applied. The analysis of aggregation was implemented using the technique of impedance in whole blood before and after preliminary incubation of blood samples with acetylsalicylic acid effect in 0.1 mM concentration. The induction was implemented by ATP in final concentration of 5 mkM. It is demonstrated that ATP-induced amplitude of aggregation under application of heparin and hirudin is significantly higher in comparison with its level in samples of citrate blood. At that, acetylsalicylic acid effect paradoxically increases amplitude of aggregation in samples with heparin but not in samples with citrate or hirudin. The application of hirudin permits evaluating impact of acetylsalicylic acid effect both at aggregation and disaggregation component of thrombocyte functions under erythrocytosis and thrombocytosis and can be recommended as a preferable approach in testing individual sensitivity of patients to acetylsalicylic acid effect.
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