نتایج جستجو برای: clot formation
تعداد نتایج: 533958 فیلتر نتایج به سال:
The use of serum or plasma for Aspergillus PCR testing facilitates automated and standardized technology. Recommendations for serum testing are available, and while serum and plasma are regularly considered interchangeable for use in fungal diagnostics, differences in galactomannan enzyme immunoassay (GM-EIA) performance have been reported and are attributed to clot formation. Therefore, it is ...
BACKGROUND This study was designed to evaluate the effect of recombinant human thrombin (rThrombin) concentration on time to hemostasis (TTH), clot durability, and clot strength in settings that replicate the heparinization and platelet inhibition often found in surgical populations. METHODS A modified, anticoagulated rabbit arteriovenous shunt preparation was selected to model vascular anast...
TAFI (thrombin activatable fibrinolysis inhibitor) down regulates fibrinolysis after activation by relatively high concentrations of thrombin generated during coagulation via thrombin mediated factor XI activation and subsequent activation of the intrinsic pathway. It is this secondary burst of thrombin that is severely diminished in haemophilia A, a deficiency of coagulation factor VIII. We th...
BACKGROUND The mechanisms responsible for the increased thrombotic risk associated with thalassemia are still unclear. They might be related to the effects of red blood cell or endothelial cell derangements, increased numbers of platelets as well as abnormal plasma coagulation. DESIGN AND METHODS To evaluate the relative role played by cells and plasma we investigated 169 patients with thalas...
ECENT ADVANCES in our knowledge commcerniisg the formatiomi amid dissolution of clots has emphasized the importanice of in vitro coagulation studies imi diagnosis and treatment. These studies geiserally involve one basic observatioms, i.e., the time necessary for the formation or dissolution of a visible clot. Technics based on this observation give no information about the quality of the clot,...
BACKGROUND Blood bank recommendations specify that Ringer's lactate solution (LR) should be avoided while transfusing blood. However, there are few studies either evaluating or quantifying increased coagulation during rapid infusion of LR and blood. DESIGN AND METHODS Whole blood (WB, n = 25) and packed red blood cells (PRBC, n = 26) were rapidly admixed with normal saline (NS), Lactate solut...
Life threatening event due to central airway obstruction caused by very large blood clot formation with profuse on going bleeding its very challenging to manage. Interventional pulmonologist must aware about this situation which can lead to respiratory failure. There are several choices to treat this unlikely situation, in example flexible bronchoscopy with forceps, bronchial lavage, and suctio...
INTRODUCTION During liver transplantation, continuous laboratory monitoring of complex changes of the hemostatic system is necessary. The aim of this study was to compare two methods of monitoring: standard coagulation tests and rotational thromboelastometry. MATERIAL AND METHODS The study included 17 patients who had undergone orthotopic liver transplantation in the Clinical Centre of Vojvod...
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