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Fibrinolysis

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https://www.readbyqxmd.com/read/28732415/in-reply-to-risk-factors-for-poor-outcome-in-hypertensive-intraventricular-hemorrhage-treated-by-external-ventricular-drainage-with-intraventricular-fibrinolysis-statistical-and-methodologic-issues
#1
https://www.readbyqxmd.com/read/28732414/risk-factors-for-poor-outcome-in-hypertensive-intraventricular-hemorrhage-treated-by-external-ventricular-drainage-with-intraventricular-fibrinolysis-statistical-and-methodologic-issues
#2
https://www.readbyqxmd.com/read/28730407/venous-thromboembolism-thrombosis-inflammation-and-immunothrombosis-for-clinicians
#3
REVIEW
Eduardo Vazquez-Garza, Carlos Jerjes-Sanchez, Aline Navarrete, Jorge Joya-Harrison, David Rodriguez
Venous thromboembolism (VTE) is a worldwide disease related with mortality, cardiovascular disability, impaired quality of life and, cause major long-term complications. Clinicians related to the acute and long-term patients care must be involved in the molecular mechanisms of thrombosis. The vessel wall and its inner lining of the endothelium are critical to the maintenance of a patent vasculature. After endothelial disruption, collagen (first line of endothelial defense) and intravascular tissue factor (second line of endothelial defense) are exposed to blood flow, starting the formation of a thrombus...
July 20, 2017: Journal of Thrombosis and Thrombolysis
https://www.readbyqxmd.com/read/28729903/tranexamic-acid-and-trauma-induced-coagulopathy
#4
REVIEW
Takeshi Nishida, Takahiro Kinoshita, Kazuma Yamakawa
Tranexamic acid (TXA) is a synthetic derivative of the amino acid lysine that inhibits fibrinolysis by blocking the interaction of plasminogen with the lysine residues of fibrin. Historically, TXA is commonly used for reduction of blood loss in perioperative situations, while recently it has attracted attention for clinical use in the trauma field. In 2010, the Clinical Randomization of an Antifibrinolytic in Significant Hemorrhage 2 (CRASH-2) trial demonstrated that intravenous administration of TXA improved mortality significantly in trauma patients with significant bleeding...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28728510/serum-level-of-anti-%C3%AE-enolase-antibody-in-untreated-systemic-lupus-erythematosus-patients-correlates-with-24-hour-urine-protein-and-d-dimer
#5
M Li, J Li, J Wang, Y Li, P Yang
Objective The objective of this report is to evaluate the prevalence and clinico-serological correlations of anti-α-enolase antibody (Ab) in patients with systemic lupus erythematosus (SLE). Methods Thirty-two untreated patients with SLE and 20 age- and sex-matched healthy controls were evaluated by rheumatologic examinations. The serum levels of anti-α-enolase Ab were measured by an enzyme-linked immunosorbent assay (ELISA). Clinical, biochemical and serological markers of disease activity were measured by standard laboratory procedure...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28727139/effect-of-solvent-detergent-treated-pooled-plasma-on-fibrinolysis-in-reconstituted-whole-blood
#6
Nicholas H Saadah, Pieter F van der Meer, Herm Jan M Brinkman, Dirk de Korte, Ido J Bontekoe, Herbert H Korsten, Rutger A Middelburg, Johanna G van der Bom, Martin R Schipperus
BACKGROUND: Hyperfibrinolysis has been observed in patients heavily transfused with solvent/detergent-treated pooled plasma (S/D plasma). We compared coagulation and fibrinolytic variables in blood containing S/D plasma with blood containing fresh-frozen plasma (FFP), with and without α2-antiplasmin or tranexamic acid (TXA) supplementation. STUDY DESIGN AND METHODS: Whole blood samples were reconstituted from red blood cells, platelet (PLT) concentrates, and varying mixtures of FFP and S/D plasma...
July 20, 2017: Transfusion
https://www.readbyqxmd.com/read/28723829/prognostic-implication-of-early-ventricular-fibrillation-among-patients-with-st-elevation-myocardial-infarction
#7
Kristel E Medina-Rodríguez, Manuel Almendro-Delia, Ángel García-Alcántara, José J Arias-Garrido, Juan C Rodríguez-Yáñez, Gemma Alonso-Muñoz, Rafael de la Chica-Ruiz-Ruano, Antonio Reina-Toral, Antonio Varela-López, José A Arboleda-Sánchez, Ana M Poullet-Brea, Benito Zaya-Ganfo, Michel Butrón-Calderón, Maria J Cristo-Ropero, Rafael Hidalgo-Urbano, Juan C García-Rubira
OBJECTIVE: The aim of this study was to analyze the prognosis of patients presenting early ventricular fibrillation (VF) in the setting of ST elevation myocardial infarction (STEMI). PATIENTS AND METHODS: Among patients included in the ARIAM (Análisis del Retraso en el Infarto Agudo de Miocardio) registry with the diagnosis of STEMI, those who received primary revascularization and were admitted in the first 12 h were analyzed retrospectively. RESULTS: From January 2007 to January 2012, 8340 patients were included in the STEMI cohort and 680 (8...
July 18, 2017: Coronary Artery Disease
https://www.readbyqxmd.com/read/28721927/coagulopathy-and-haemorrhagic-progression-in-traumatic-brain-injury-advances-in-mechanisms-diagnosis-and-management
#8
REVIEW
Marc Maegele, Herbert Schöchl, Tomas Menovsky, Hugues Maréchal, Niklas Marklund, Andras Buki, Simon Stanworth
Normal haemostasis depends on an intricate balance between mechanisms of bleeding and mechanisms of thrombosis, and this balance can be altered after traumatic brain injury (TBI). Impaired haemostasis could exacerbate the primary insult with risk of initiation or aggravation of bleeding; anticoagulant use at the time of injury can also contribute to bleeding risk after TBI. Many patients with TBI have abnormalities on conventional coagulation tests at admission to the emergency department, and the presence of coagulopathy is associated with increased morbidity and mortality...
August 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28719063/enhanced-fibrinolysis-with-magnetically-powered-colloidal-microwheels
#9
Tonguc O Tasci, Dante Disharoon, Rogier M Schoeman, Kuldeepsinh Rana, Paco S Herson, David W M Marr, Keith B Neeves
Thrombi that occlude blood vessels can be resolved with fibrinolytic agents that degrade fibrin, the polymer that forms between and around platelets to provide mechanical stability. Fibrinolysis rates however are often constrained by transport-limited delivery to and penetration of fibrinolytics into the thrombus. Here, these limitations are overcome with colloidal microwheel (µwheel) assemblies functionalized with the fibrinolytic tissue-type plasminogen activator (tPA) that assemble, rotate, translate, and eventually disassemble via applied magnetic fields...
July 18, 2017: Small
https://www.readbyqxmd.com/read/28719020/fibrin-ogen-and-neurodegeneration-in-the-progressive-multiple-sclerosis-cortex
#10
Richard L Yates, Margaret M Esiri, Jacqueline Palace, Benjamin Jacobs, Rafael Perera, Gabriele C DeLuca
OBJECTIVE: Neuronal loss, a key substrate of irreversible disability in multiple sclerosis (MS), is a recognised feature of MS cortical pathology of which the cause remains unknown. Fibrin(ogen) deposition is neurotoxic in animal models of MS, but has not been evaluated in human progressive MS cortex. The aim of this study was to investigate the extent and distribution of fibrin(ogen) in progressive MS cortex and elucidate its relationship with neurodegeneration. METHODS: A post-mortem cohort of pathologically confirmed MS (n=47) and control (n=10) cases was used...
July 18, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28714314/management-of-myocardial-infarction-in-the-elderly-insights-from-spanish-minimum-basic-data-set
#11
Albert Ariza-Solé, Oriol Alegre, Francisco J Elola, Cristina Fernández, Francesc Formiga, Manuel Martínez-Sellés, José L Bernal, José V Segura, Andrés Iñíguez, Vicente Bertomeu, Joel Salazar-Mendiguchía, José C Sánchez Salado, Victòria Lorente, Angel Cequier
BACKGROUND: We aimed to assess the impact of implementation of reperfusion networks, the type of hospital and specialty of the treating physician on the management and outcomes of ST segment elevation myocardial infarction in patients aged ⩾75 years. METHODS: We analysed data from the Minimum Basic Data Set of the Spanish public health system, assessing hospital discharges between 2004 and 2013. Discharges were distributed in three groups depending on the clinical management: percutaneous coronary intervention, thrombolysis or no reperfusion...
July 1, 2017: European Heart Journal. Acute Cardiovascular Care
https://www.readbyqxmd.com/read/28713823/intracardiac-hemostasis-and-fibrinolysis-parameters-in-patients-with-atrial-fibrillation
#12
Noémi Klára Tóth, Zoltán Csanádi, Orsolya Hajas, Alexandra Kiss, Edina Nagy-Baló, Kitti Bernadett Kovács, Ferenc Sarkady, László Muszbek, Zsuzsanna Bereczky, László Csiba, Zsuzsa Bagoly
AIMS: To identify intracardiac hemostasis or fibrinolysis abnormalities, which are associated with atrial fibrillation (AF) and increase the risk of thromboembolism. PATIENTS AND METHODS: Patient group consisted of 24 patients with AF and control group included 14 individuals with other supraventricular tachycardia undergoing transcatheter radiofrequency ablation. Blood samples were drawn from the femoral vein (FV), left atrium (LA), and left atrial appendage (LAA) before the ablation procedure...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28712423/anxiety-and-depression-in-patients-three-months-after-myocardial-infarction-association-with-markers-of-coagulation-and-the-relevance-of-age
#13
Franziska Geiser, Anne Sarah Urbach, Ursula Harbrecht, Rupert Conrad, Bernd Pötzsch, Nele Amann, Katharina Kiesewetter, Alexandra Sieke, Kyra Wolffs, Dirk Skowasch
OBJECTIVE: Anxiety and depression are associated with an activation of coagulation and an impairment of fibrinolysis, which may contribute to the increased cardiovascular risk associated with the two disorders. However, very few studies have examined the impact of psychological distress on coagulation factors in coronary artery disease patients. The aim of this study was to assess the correlation between anxiety/depression and factors of coagulation and fibrinolysis in patients who had suffered an acute MI three months prior...
August 2017: Journal of Psychosomatic Research
https://www.readbyqxmd.com/read/28702197/usefulness-of-plasminogen-activator-inhibitor-1-as-a-predictive-marker-of-mortality-in-sepsis
#14
Kota Hoshino, Taisuke Kitamura, Yoshihiko Nakamura, Yuhei Irie, Norihiko Matsumoto, Yasumasa Kawano, Hiroyasu Ishikura
BACKGROUND: Sepsis is one of the most significant causes of mortality in intensive care units. It indicates crosstalk between inflammation and coagulation. In this study, we aimed to identify prognostic markers among sepsis biomarkers and coagulation/fibrinolysis markers. METHODS: Patients with sepsis according to the Sepsis-3 criteria were enrolled from January 2013 to September 2015. Univariate and multivariate logistic regression analyses were performed to identify an independent predictive marker of 28-day mortality among sepsis biomarkers and coagulation/fibrinolysis markers on ICU admission...
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28701681/inflammation-is-associated-with-platelet-coagulation-function-rather-than-enzymatic-coagulation-function-in-patients-with-takayasu-arteritis
#15
Xiao Wang, Aimin Dang, Naqiang Lv, Nan Cheng, Xuesen Cheng
The integral changes of coagulation and fibrinolysis, and their relationships with inflammation in patients with Takayasu arteritis (TA) remain undetermined. The purpose of this study was to analyze the changes of coagulation and fibrinolysis process in patients with TA by thrombelastography (TEG).A total of 127 patients with TA and 55 healthy controls were enrolled. Patients with TA were grouped according to disease activity. The routine hematological parameters, traditional coagulation assays, and TEG parameters were summarized retrospectively...
July 13, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28697634/the-fibrinolysis-inhibitor-%C3%AE-2-antiplasmin-restricts-lymphatic-remodelling-and-metastasis-in-a-mouse-model-of-cancer
#16
Sophie Paquet-Fifield, Sally Roufail, You-Fang Zhang, Trifina Sofian, David J Byrne, Paul B Coughlin, Stephen B Fox, Steven A Stacker, Marc G Achen
Remodelling of lymphatic vessels in tumours facilitates metastasis to lymph nodes. The growth factors VEGF-C and VEGF-D are well known inducers of lymphatic remodelling and metastasis in cancer. They are initially produced as full-length proteins requiring proteolytic processing in order to bind VEGF receptors with high affinity and thereby promote lymphatic remodelling. The fibrinolytic protease plasmin promotes processing of VEGF-C and VEGF-D in vitro, but its role in processing them in cancer was unknown...
July 11, 2017: Growth Factors
https://www.readbyqxmd.com/read/28695976/adaptation-of-global-hemostasis-to-therapeutic-hypothermia-in-patients-with-out-of-hospital-cardiac-arrest-thromboelastography-study
#17
Aleksander Trąbka-Zawicki, Marek Tomala, Aleksander Zeliaś, Elżbieta Paszek, Wojciech Zajdel, Ewa Stępień, Krzysztof Żmudka
BACKGROUND: The use of mild therapeutic hypothermia (MTH) in patients after out-of-hospital cardiac arrest (OHCA) who are undergoing primary percutaneous coronary intervention (pPCI) can protect patients from thromboembolic complications. The aim of the study was to evaluate the adaptive mechanisms of the coagulation system in MTH-treated comatose OHCA survivors. METHODS: Twenty one comatose OHCA survivors with acute coronary syndrome undergoing immediate pPCI were treated with MTH...
July 11, 2017: Cardiology Journal
https://www.readbyqxmd.com/read/28692110/plasma-carboxypeptidase-u-cpu-cpb2-tafia-generation-during-in-vitro-clot-lysis-and-its-interplay-between-coagulation-and-fibrinolysis
#18
Dorien Leenaerts, Jef Aernouts, Pieter Van Der Veken, Yani Sim, Anne-Marie Lambeir, Dirk Hendriks
Carboxypeptidase U (CPU, CPB2, TAFIa) is a basic carboxypeptidase that is able to attenuate fibrinolysis. The inactive precursor procarboxypeptidase U is converted to its active form by thrombin, the thrombin-thrombomodulin complex or plasmin. The aim of this study was to investigate and characterise the time course of CPU generation in healthy individuals. In plasma of 29 healthy volunteers, CPU generation was monitored during in vitro clot lysis. CPU activity was measured by means of an enzymatic assay that uses the specific substrate Bz-o-cyano-Phe-Arg...
July 6, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28691873/immune-inflammatory-activation-after-a-single-laparotomy-in-a-rat-model-effect-of-adenosine-lidocaine-and-mg-2-infusion-to-dampen-the-stress-response
#19
Lisa Davenport, Hayley L Letson, Geoffrey P Dobson
Our aim was to examine the effect of low-volume 0.9% NaCl adenosine, lidocaine and Mg(2+) (ALM) 'drip' on early immune-inflammatory activation after a single laparotomy with no further manipulation. Male Sprague-Dawley rats were anesthetized and randomly assigned to one of the groups, baseline, 1 h infusion 0.9% NaCl ± ALM and metrics, 1 h infusion and 6-h metrics, and 6 h continuous infusion and metrics. Complete blood count, acid-base balance, systemic levels of IL-6 and IL-10, and coagulation status were measured...
July 2017: Innate Immunity
https://www.readbyqxmd.com/read/28687976/annexin-a2-s100a10-heterotetramer-is-upregulated-by-pml-rar%C3%AE-fusion-protein-and-promotes-plasminogen-dependent-fibrinolysis-and-matrix-invasion-in-acute-promyelocytic-leukemia
#20
Dan Huang, Yan Yang, Jian Sun, Xiaorong Dong, Jiao Wang, Hongchen Liu, Chengquan Lu, Xueyu Chen, Jing Shao, Jinsong Yan
Aberrant expression of annexin A2-S100A10 heterotetramer (AIIt) associated with PML/RARα fusion protein causes lethal hyperfibrinolysis in acute promyelocytic leukemia (APL), but the mechanism is unclear. To facilitate the investigation of regulatory association between ANXA2 and promyelocytic leukemia/retinoic acid receptor α (PML/RARα) fusion protein, this work was performed to determine the transcription start site of ANXA2 promoter with rapid amplification of 5'-cDNA ends analysis. Zinc-induced U937/PR9 cells expressed PML/RARα fusion protein, and resultant increases in ANXA2 transcripts and translational expressions of both ANXA2 and S100A10, while S100A10 transcripts remained constitutive...
July 8, 2017: Frontiers of Medicine
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