Abstract
BackgroundChronic kidney disease is one of the medical conditions that affect hemostasis. Patients undergoing hemodialysis present both hemorrhagic and prothrombotic tendencies. Platelet adhesion to the artificial surface of the dialyzer's membrane, blood vessel endothelial wall disruption, and quantitative and qualitative changes in clothing factors are thought to be causative agents of the above-mentioned conditions. Thromboelastometry and impedance aggregometry enable precise assessment of clot formation and platelet function abnormalities, including changes related to chronic renal failure in patients undergoing renal replacement therapy. MethodsA prospective study with control group was designed. The study group consisted of 17 adults with diagnosed chronic renal failure undergoing hemodialysis. The control group consisted of 13 healthy volunteers. EXTEM and FIBTEM tests in rotational thromboelastometry and TRAPtest in impedance aggregometry analyzer were performed. ResultsEXTEM parameter test results were comparable between analyzed groups, whereas FIBTEM test results were significantly increased in the study group. Platelet aggregation as measured by the TRAPtests was significantly decreased in patients undergoing hemodialysis. ConclusionsIn end-stage renal disease patients undergoing hemodialysis, whole-blood clot formation is not disturbed, even though platelet dysfunction occurs. Increased fibrin clot formation reflected by FIBTEM results may compensate the observed platelet disorders. The compilation of ROTEM and Multiplate may support appropriate hemostatic control and decision-making during kidney transplantation.
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