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https://www.readbyqxmd.com/read/28103832/thromboelastometry-analysis-of-thrombocytopenic-dengue-patients-a-cross-sectional-study
#1
Felipe Maia de Toledo Piza, Thiago Domingos Corrêa, Alexandre Rodrigues Marra, João Carlos Campos Guerra, Roseny Dos Reis Rodrigues, Andrea Aparecida Rocco Villarinho, Valdir Fernandes de Aranda, Sandra Christina Pereira Lima Shiramizo, Maria Roza de Jesus de Lima, Esper Georges Kallas, Alexandre Biasi Cavalcanti
BACKGROUND: Dengue virus infection (DVI) is a prevalent and potentially fatal viral disease associated with coagulopathy. So far, the coagulation profile of DVI patients with thrombocytopenia has not been assessed through a viscoelastic test such as rotational thromboelastometry. We aimed to describe the prevalence and characteristics of coagulation abnormalities in dengue fever outpatients with thrombocytopenia, addressed by both rotational thromboelastometry and conventional coagulation tests...
January 19, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28097681/thromboelastography-in-dogs-with-chronic-hepatopathies
#2
W Fry, C Lester, N M Etedali, S Shaw, A DeLaforcade, C R L Webster
BACKGROUND: The coagulation status of dogs with liver disease is difficult to predict using conventional coagulation testing. HYPOTHESIS/OBJECTIVES: To evaluate thromboelastography (TEG) results and associations with conventional coagulation results and indicators of disease severity and prognosis in dogs with chronic hepatopathies (CH). ANIMALS: Twenty-one client-owned dogs. METHODS: Dogs with CH were prospectively (10 dogs) and retrospectively (11 dogs) enrolled from 2008 to 2014...
January 18, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28041822/effect-of-leukapheresis-on-blood-coagulation-in-patients-with-hyperleukocytic-acute-myeloid-leukemia
#3
Andry Van de Louw
INTRODUCTION: Leukapheresis has been proposed to reduce white blood cell (WBC) count in hyperleukocytic acute myeloid leukemia (AML). However, no survival benefit has been proven and leukapheresis can potentially affect coagulation and worsen bleeding and disseminated intravascular coagulation (DIC). We analyzed the effect of leukapheresis on coagulation tests in a cohort of hyperleukocytic AML patients. METHODS: Retrospective chart review of hyperleukocytic AML patients who underwent leukapheresis between 2003 and 2014...
December 29, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28000366/hemocompatiblilty-evaluation-of-poly-1-8-octanediol-citrate-blend-polyethersulfone-membranes
#4
Muhamad Zulhilmi Zailani, Ahmad Fauzi Ismail, Siti Hamimah Sheikh Abdul Kadir, Mohd Hafiz Dzarfan Othman, Pei Sean Goh, Hasrinah Hasbullah, Mohd Sohaimi Abdullah, Be Cheer Ng, Fatmawati Kamal
In this study, poly (1,8- octanediol citrate) (POC) was used to modify polyethersufone (PES) based membrane to enhance its hemocompatibility. Different compositions of POC (0-3%) were added into the polyethersulfone (PES) dope solutions and polyvinylpyrrolidone (PVP) was used as pore forming agent. The hemocompatible POC modified PES membranes were fabricated through phase-inversion technique. The prepared membranes were characterized using attenuated total reflectance-fourier transform infrared (ATR-FTIR), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), Atomic-force microscopy (AFM), contact angle, Zeta-potential, membrane porosity and pore size and pure water flux (PWF) and BSA rejection...
December 21, 2016: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/27993886/acquired-dysfibrinogenemia-caused-by-autoantibody-inhibiting-fibrin-polymerization-in-a-patient-with-melas-syndrome-and-bleeding-tendency
#5
Nuri Lee, Ji-Eun Kim, Hyun Ju Yoo, JaYoon Gu, Hyori Kim, Junho Chung, Youngil Koh, Hyun Kyung Kim
We present a case of acquired dysfibrinogenemia caused by an autoantibody that inhibited fibrin polymerization in a patient previously diagnosed with MELAS (mitochondrial myopathy, encephalopathy, lactic acidosis, stroke-like episodes). The patient showed prolonged PT, aPTT, and thrombin time. There was no factor deficiency but fibrinogen antigen and activity were decreased. ELISA for detection of fibrinogen antibodies were performed and IgG purified from the patient's plasma bound to fibrinogen more strongly than did control IgG, indicating the presence of a fibrinogen-specific antibody...
December 2016: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/27973974/short-term-effect-of-dark-chocolate-consumption-on-routine-haemostasis-testing
#6
Martina Montagnana, Elisa Danese, Gian Luca Salvagno, Giuseppe Lippi
This experimental study was designed to investigate the sort-term impact of dark chocolate ingestion on routine haemostasis tests in healthy volunteers. The study population consisted in 15 healthy male volunteers who ingested 50 g of 90% cocoa chocolate within 3-5 min. Blood was drawn early in the morning, immediately before chocolate ingestion and 4 h afterwards, for assessment of activated partial thromboplastin time (APTT), prothrombin time (PT) and fibrinogen. A significant increase of triglycerides (1...
December 14, 2016: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/27929200/obesity-insulin-resistance-rather-than-liver-fat-increases-coagulation-factor-activities-and-expression-in-humans
#7
Susanna Lallukka, Panu K Luukkonen, You Zhou, Elina M Petäjä, Marja Leivonen, Anne Juuti, Antti Hakkarainen, Marju Orho-Melander, Nina Lundbom, Vesa M Olkkonen, Riitta Lassila, Hannele Yki-Järvinen
Increased liver fat may be caused by insulin resistance and adipose tissue inflammation or by the common I148M variant in PNPLA3 at rs738409, which lacks both of these features. We hypothesised that obesity/insulin resistance rather than liver fat increases circulating coagulation factor activities. We measured plasma prothrombin time (PT, Owren method), activated partial thromboplastin time (APTT), activities of several coagulation factors, VWF:RCo and fibrinogen, and D-dimer concentration in 92 subjects divided into groups based on insulin sensitivity [insulin-resistant ('IR') versus insulin-sensitive ('IS')] and PNPLA3 genotype (PNPLA3(148MM/MI) vs PNPLA3(148II))...
December 8, 2016: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/27852408/-study-on-the-difference-of-blood-coagulation-function-in-patients-with-traumatic-brain-injury-in-plain-and-plateau-area
#8
J Sun, Y Tian, R C Jiang, X L Dong, Y Wang, W B Wu, K X Wu, J N Zhang
Objective: In this study, we tested platelet count (PC), prothrombin time (PT), activated partial thromboplastin time (APTT), and other indicators of coagulation function, and revealed their difference in patients with traumatic brain injury (TBI) between plain and plateau area. Base on the results, we may provide research basis for the therapy of TBI associated coagulopathy in different areas. Methods: 151 TBI patients from Tianjin Medical University General Hospital, and 74 from People's Hospital of Tibet Autonomous Region in the period from Dec 2013 to Dec 2015 were enrolled...
October 25, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27809922/analysis-of-thromboelastography-pt-aptt-and-fibrinogen-in-intraosseous-and-venous-samples-an-experimental-study
#9
Gunnar Strandberg, Miklós Lipcsey, Mats Eriksson, Norbert Lubenow, Anders Larsson
BACKGROUND: Laboratory analysis of coagulation is often important in emergencies. If vascular access is challenging, intraosseous catheterization may be necessary for treatment. We studied the analysis of coagulation parameters in intraosseous aspirate during stable conditions and after major haemorrhage in a porcine model. METHODS: Ten anesthetized pigs received central venous and intraosseous catheters and samples were taken for analysis of thromboelastography (TEG), prothrombin time (PT), activated partial thromboplastin time (APTT) and fibrinogen concentration...
November 3, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27777753/coagulative-safety-of-epidural-catheters-after-major-upper-gastrointestinal-surgery-advanced-and-routine-coagulation-analysis-in-38-patients
#10
Owain Thomas, Hampus Rein, Karin Strandberg, Ulf Schött
BACKGROUND: The risk of spinal haematoma in patients receiving epidural catheters is estimated using routine coagulation tests, but guidelines are inconsistent in their recommendations on what to do when results indicate slight hypocoagulation. Postoperative patients are prone to thrombosis, and thromboelastometry has previously shown hypercoagulation in this setting. We aimed to better understand perioperative haemostasis by comparing results from routine and advanced tests, hypothesizing that patients undergoing major upper gastrointestinal surgery would be deficient in vitamin K-dependent coagulation factors because of malnutrition, or hypocoagulative because of accumulation of low molecular weight heparin (LMWH)...
2016: Perioperative Medicine
https://www.readbyqxmd.com/read/27769624/anticoagulant-activity-of-a-sulfated-lachnum-polysaccharide-in-mice-with-a-state-of-hypercoagulability
#11
Zhanzhan Du, Fang Shi, Dong Liu, Hongling Ye, Maheen Mahwish Surhio, Jinglei Li, Ming Ye
A sulfated polysaccharide, designated as SLEP-1, was obtained after sulfation of the exopolysaccharide (LEP-1) which was isolated from Lachnum. The degree of substitution (DS) of sulfate group of SLEP-1 was 1.97. SEM images of SLEP-1 revealed laminated structure in mesh. UV, FT-IR and (13)C NMR spectra indicated that the LEP-1 was sulfated successfully. The result of the anticoagulant activity in vitro showed that both of LEP-1 and SLEP-1 could effectively prolong activated partial thromboplastin time (APTT) and thrombin time (TT) of the normal mice plasma, in which SLEP-1 was more effectively than those of LEP-1, and dose-effect relationships were found...
November 15, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27743753/lupus-anticoagulant-hypoprothrombinemia-syndrome-presenting-with-co-existing-cerebral-venous-thrombosis-and-subdural-hemorrhage
#12
N Bel Feki, S Zayet, I Ben Ghorbel, M-H Houman
The lupus anticoagulant-hypoprothrombinemia syndrome (LA-HPS) - the association of acquired factor II deficiency and lupus anticoagulant - is a rare disease that may cause a predisposition not only to thrombosis but also to severe bleeding. We are reporting on a 36-year-old female patient presenting with co-existing cerebral venous thrombosis and subdural hemorrhage. The coagulation screening showed a prolonged prothrombin time (PT), activated partial thromboplastin time (aPTT), and a normal fibrinogen level and platelet count...
December 2016: Journal des Maladies Vasculaires
https://www.readbyqxmd.com/read/27689344/evaluation-of-acute-traumatic-coagulopathy-in-dogs-and-cats-following-blunt-force-trauma
#13
Dara L Gottlieb, Jennifer Prittie, Yekaterina Buriko, Kenneth E Lamb
OBJECTIVE: To evaluate the presence of acute traumatic coagulopathy (ATC) in dogs and cats following blunt trauma and to relate coagulation variables with injury severity and admission variables. DESIGN: Prospective, single center, observational study from 2013 to 2014. SETTING: Urban private referral hospital. ANIMALS: Eighteen and 19 client-owned dogs and cats, respectively, sustaining blunt trauma within 8 hours of presentation without prior resuscitation; 17 healthy staff and client-owned control cats METHODS: Blood samples were collected upon presentation for measurement of blood gas, lactate, blood glucose, ionized calcium, PCV, total plasma protein, prothrombin time (PT), activated partial thromboplastin time (aPTT), fibrinogen, platelet count, and thromboelastography...
January 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/27679435/biological-variation-of-hemostasis-variables-in-thrombosis-and-bleeding-consequences-for-performance-specifications
#14
Moniek P M de Maat, Marianne van Schie, Cornelis Kluft, Frank W G Leebeek, Piet Meijer
BACKGROUND: Levels of hemostasis factors vary between and within individuals as a result of genetic and environmental factors and analytical variation of the assays. The current state of the art for defining analytical precision requirements for analytical testing is based on this between- and within-individual (biological) variation. However, information on biological variation in hemostasis variables is still limited.The aim of this study was to determine the biological variation of coagulation variables involved in thrombosis and bleeding to provide a recommendation for performance specifications and to assess whether hemostasis assays fulfill the recommendation...
December 2016: Clinical Chemistry
https://www.readbyqxmd.com/read/27667464/-xinfeng-capsule-reduces-hypercoagulative-state-in-patients-with-sjogren-s-syndrome-by-inhibiting-mir-155-socs1-nf-%C3%AE%C2%BAb-signaling-pathway
#15
Fubing Zhu, Jian Liu, Guizhen Wang, Li Fang, Pingheng Zhang, Bing Tan
Objective To explore the relationship between Xinfeng Capsule (XFC) improving the hypercoagulative state in patients with Sjogren's syndrome (SS) and miR-155/suppressor of cytokine signaling 1 (SOCS1)/nuclear factor κB (NF-κB) signaling pathway. Methods Sixty-six SS patients were randomly divided into XFC-treated group and hydroxychloroquine (HCQ)-treated control group (n=33 per group), which were respectively treated with XFC and HCQ. In addition, 20 healthy volunteers were enrolled as a normal control group...
October 2016: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/27651988/is-there-any-effect-of-pneumoperitoneum-pressure-on-coagulation-and-fibrinolysis-during-laparoscopic-cholecystectomy
#16
Turgut Donmez, Sinan Uzman, Dogan Yildirim, Adnan Hut, Huseyin Imam Avaroglu, Duygu Ayfer Erdem, Erdinc Cekic, Fazilet Erozgen
BACKGROUND: Laparoscopic cholecystectomies (LC) are generally performed in a 12 mmHg-pressured pneumoperitoneum in a slight sitting position. Considerable thromboembolism risk arises in this operation due to pneumoperitoneum, operation position and risk factors of patients. We aim to investigate the effect of pneumoperitoneum pressure on coagulation and fibrinolysis under general anesthesia. MATERIAL AND METHODS: Fifty American Society of Anesthesiologist (ASA) I-III patients who underwent elective LC without thromboprophlaxis were enrolled in this prospective study...
2016: PeerJ
https://www.readbyqxmd.com/read/27648698/limited-resuscitation-with-fresh-or-stored-whole-blood-corrects-cardiovascular-and-metabolic-function-in-a-rat-model-of-polytrauma-and-hemorrhage
#17
Jacob Chen, Xiaowu Wu, Jeffrey Keesee, Bin Liu, Daniel N Darlington, Andrew P Cap
INTRODUCTION: We have recently shown that human whole blood stored at 4°C maintains hemostatic and platelet function. In this study, we compared restoration of hemodynamic, metabolic and hemostatic function after limited resuscitation with rat fresh whole blood, rat stored whole blood, or Lactated Ringers in traumatized rats. METHODS: Rat whole blood was stored for 10 days at 4°C for evaluation of hemostatic function. Polytrauma was performed on isoflurane-anesthetized Sprague-Dawley rats (350-450 g) by damage to the intestines, liver, right leg skeletal muscle, and right femur fracture, followed by 40% hemorrhage...
February 2017: Shock
https://www.readbyqxmd.com/read/27648200/effects-of-factor-xiii-deficiency-on-thromboelastography-thromboelastography-with-calcium-and-streptokinase-addition-is-more-sensitive-than-solubility-tests
#18
M Martinuzzo, L Barrera, D Altuna, F Tisi Baña, J Bieti, Q Amigo, M D'Adamo, M S López, J Oyhamburu, J C Otaso
BACKGROUND: Homozygous or double heterozygous factor XIII (FXIII) deficiency is characterized by soft tissue hematomas, intracranial and delayed spontaneous bleeding. Alterations of thromboelastography (TEG) parameters in these patients have been reported. The aim of the study was to show results of TEG, TEG Lysis (Lys 60) induced by subthreshold concentrations of streptokinase (SK), and to compare them to the clot solubility studies results in samples of a 1-year-old girl with homozygous or double heterozygous FXIII deficiency...
2016: Mediterranean Journal of Hematology and Infectious Diseases
https://www.readbyqxmd.com/read/27630882/a-study-of-haemostatic-parameters-in-patients-of-chronic-myeloid-leukaemia
#19
Ankur Jain, Naresh Gupta, Tejinder Singh, Sunita Agarwal
INTRODUCTION: Chronic Myeloid Leukaemia (CML) is characterized by derangement of various components of the haemostatic system resulting in thrombo-haemorrhagic complications. Although less common than other myeloproliferative neoplasms, derangement of various components of the haemostatic system is observed in CML. Haemostatic abnormalities have been described in relation to hyperleucostasis and drugs used to treat CML. However, the correlation between haemostatic derangements and phase of CML is unclear in the literature...
July 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27617078/determination-of-age-dependent-reference-ranges-for-coagulation-tests-performed-using-destiny-plus
#20
Fatma Demet Arslan, Muhittin Serdar, Elif Merve Ari, Mustafa Onur Oztan, Sureyya Hikmet Kozcu, Huseyin Tarhan, Ozgur Cakmak, Merve Zeytinli, Hamit Yasar Ellidag
BACKGROUND: In order to apply the right treatment for hemostatic disorders in pediatric patients, laboratory data should be interpreted with age-appropriate reference ranges. OBJECTIVES: The purpose of this study was to determining age-dependent reference range values for prothrombin time (PT), activated partial thromboplastin time (aPTT), fibrinogen tests, and D-dimer tests. MATERIALS AND METHODS: A total of 320 volunteers were included in the study with the following ages: 1 month - 1 year (n = 52), 2 - 5 years (n = 50), 6 - 10 years (n = 48), 11 - 17 years (n = 38), and 18 - 65 years (n = 132)...
June 2016: Iranian Journal of Pediatrics
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