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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Vasculature models to study thrombolysis
 Schildová, Veronika ; Ambrožová,, Gabriela (referee) ; Víteček, Jan (advisor)
The theoretical part of diploma thesis describes the cardiovascular system and focuses on hemostasis. This is a complex of events which maintain functional blood circulation. Hemostasis includes procoagulant processes responsible for elimination of bleeding as well as anticoagulant processes maintain blood fluidity. If there is an imbalance between procoagulation and anticoagulation, thromboembolic or bleeding diseases will occur. This work is focused on one of the most fatal diseases, ischemic stroke, and its treatment by thrombolytics. These are drugs that accelerate the degradation of the blood clot and the recanalization of the blood vessel. This thesis describes the comparison of the only thrombolytic approved for ischemic stroke – alteplase and its mutant tenecteplase. The experimental part is focused on various types of in vitro models to the study of thrombolysis. These are static model, microplate model, thrombus penetration into fibrin gel and sequestration. Such models are used to compare thrombolytics.
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In vitro study of thrombolytic resistance in ischemic stroke
 Hložánková, Anna ; Raptová, Petra (referee) ; Víteček, Jan (advisor)
Ischemic stroke is one of the most common causes of mortality and permanent disability worldwide. The most frequently used therapeutic approach in stroke treatment is enzymatic thrombolysis using recombinant tissue plasminogen activator – alteplase. Although alteplase is currently the only clinically approved thrombolytic for the treatment of ischemic stroke, its efficacy is limited. These limitations can be caused by several factors, including the structure and mechanical properties of the clot. The theoretical part of this bachelor thesis is focused on ischemic stroke, its enzymatic therapy, and on the study of factors affecting thrombolytic efficacy. The practical part deals with in vitro preparation of structurally variable clots and the characterization of the effect of their structure on the efficacy of thrombolytic agents and the mechanical properties of clots.
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