نتایج جستجو برای: coagulation

تعداد نتایج: 47696  

2013
Kin Fong Lei Kuan-Hao Chen Po-Hsiang Tsui Ngan-Ming Tsang

Blood coagulation is an extremely complicated and dynamic physiological process. Monitoring of blood coagulation is essential to predict the risk of hemorrhage and thrombosis during cardiac surgical procedures. In this study, a high throughput microfluidic chip has been developed for the investigation of the blood coagulation process under temperature and hematocrit variations. Electrical imped...

Journal: :Cardiovascular research 2003
Marcel Levi Tymen T Keller Eric van Gorp Hugo ten Cate

Severe infection and inflammation almost invariably lead to hemostatic abnormalities, ranging from insignificant laboratory changes to severe disseminated intravascular coagulation (DIC). Systemic inflammation results in activation of coagulation, due to tissue factor-mediated thrombin generation, downregulation of physiological anticoagulant mechanisms, and inhibition of fibrinolysis. Pro-infl...

Journal: :The Netherlands journal of medicine 2012
M Levi T van der Poll M Schultz

Severe infection is often linked to prothrombotic events. Indeed, haemostatic abnormalities are encountered in most cases of infection, ranging from an increase in sensitive markers for coagulation activation or insignificant laboratory changes to gross activation of coagulation that may result in localised thrombotic complications or disseminated intravascular coagulation. Systemic inflammatio...

Journal: :Transfusion medicine and hemotherapy : offizielles Organ der Deutschen Gesellschaft fur Transfusionsmedizin und Immunhamatologie 2012
Thorsten Haas Jacqueline Mauch Markus Weiss Markus Schmugge

Perioperative dilutional coagulopathy is a major coagulation disorder during adult and pediatric surgery. Although the main underlying mechanisms are comparable, data of the development and management of dilutional coagulopathy in children are scarce. Observational data showed that intraoperative coagulation disorders mainly based on complex disturbances of clot firmness including acquired fibr...

Journal: :Frontiers in bioscience : a journal and virtual library 2006
Svetlana Strukova

Hemostatic serine proteinases-thrombin, Factor VIIa, Factor Xa, play the central role in blood coagulation and thrombosis. Activation of coagulation and generation of active proteinases is initiated by tissue factor (TF) that is expressed by cells of the innate immune system and endothelial cells after tissue damage and cell activation induced by trauma, infection, hypoxia and other cell injury...

The presence of lignin and its degraded products such as tannin and humic acids is the main reason causing the aerobically-treated palm oil mill effluent (AT-POME) to display colour at the point of discharge. In this work, a hybrid method is developed to treat the AT-POME sample that was conventionally treated by biological method. This hybrid method combines coagulation and nanofiltration (NF)...

Journal: :Surgery 2011
Mineji Hayakawa Atsushi Sawamura Satoshi Gando Nobuhiko Kubota Shinji Uegaki Hidekazu Shimojima Masahiro Sugano Masahiro Ieko

BACKGROUND The aims of the present study were to confirm the consumption coagulopathy of disseminated intravascular coagulation with the fibrinolytic phenotype at an early phase of trauma and to test the hypothesis that thrombin-activatable fibrinolysis inhibitor, neutrophil elastase, and plasmin contribute to the increased fibrinolysis of this type of disseminated intravascular coagulation. Fu...

2017
Tim R Glowka Jens Standop Pascal Paschenda Michael Czaplik Jörg C Kalff René H Tolba

Objective Argon plasma coagulation (APC) and helium plasma coagulation (HPC) are electrosurgical techniques that provide noncontact monopolar electrothermal haemostasis. Although these techniques have been widely used clinically during the last three decades, their in vivo effects on liver tissue remain unclear. Methods We investigated the effects of different power levels (10-100 W) of APC and...

Journal: :American journal of medical genetics. Part A 2010
Murat Derbent Yekta Öncel Kürşad Tokel Birgül Varan Ayşegül Haberal A Canan Yazici Eric Legius Namik Özbek

Reports on Noonan syndrome (NS) have documented multiple types of coagulation defects and bleeding diathesis, and a wide range of clinical presentations. Early studies suggested that a large proportion of NS patients have coagulation defects, whereas more recent reports indicate low rates of coagulopathy. The aim of this study was to evaluate phenotypic characteristics, PTPN11 gene mutations, a...

2016
Peter Vitruk I Robert Levine

Erbium laser wavelengths circa 3,000 nm are highly energy efficient and spatially accmate for photothermal ablation; their photothermal coagulation depths are significantly shorter than gingival blood vessel diameters. Carbon dimdde (CO~ laser wavelengths circa 10,000 nm are exh·emely effective and spatially accmate photothermal ablation tools with exemplary coagulation ability as a result of a...

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