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Fibrinogen

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https://www.readbyqxmd.com/read/29653085/prognostic-significance-of-pre-resection-albumin-fibrinogen-ratio-in-patients-with-non-small-cell-lung-cancer-a-propensity-score-matching-analysis
#1
Shuaishuai Chen, Haixi Yan, Juping Du, Jun Li, Bo Shen, Haijian Ying, Ying Zhang, Shiyong Chen
BACKGROUND: Nutrition and coagulation play important roles in cancer progression. This study was aimed to investigate the value of the albumin/fibrinogen ratio (AFR) in non-small cell lung cancer (NSCLC) patients, through a propensity score matching (PSM) method. METHODS: We retrospectively analyzed 529 NSCLC patients underwent surgical resection from 2010 to 2015. PSM was used to eliminate possible biases. A Cox proportional hazards regression model was performed to evaluate the prognostic value of AFR in NSCLC...
April 10, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29652992/-phenotypic-and-mutational-analysis-of-a-pedigree-affected-with-hereditary-coagulation-factor-%C3%A2-deficiency
#2
Mengcha Tian, Hong Xia, Zhishan Zhang, Yanhui Jin, Kankan Su, Mingshan Wang
OBJECTIVE: To explore the molecular pathogenesis for a pedigree affected with coagulation factor Ⅴ (FⅤ) deficiency. METHODS: Prothrombin time (PT), activated partial thromboplastin time (APTT), fibrinogen (FIB), coagulation factor Ⅱ activity (FⅡ: C), FⅤ activity (FⅤ: C), coagulation factor Ⅶ activity (FⅦ: C), and coagulation factor Ⅹ activity (FⅩ: C) were determined with a STAGO automatic coagulometer. FⅤ antigen (FⅤ: Ag) was detected with enzyme linked immunosorbent assay (ELISA)...
April 10, 2018: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29652987/-analysis-of-a-pedigree-affected-with-congenital-hypofibrinogenemia-due-to-heterozygous-ser313ile-mutation-of-fibrinogen-%C3%AE-chain-gene
#3
Liqing Zhu, Misheng Zhao, Xiaoli Cheng, Dandan Yu, Xiaolong Li, Fei Xu, Jinguo Wang, Mingshan Wang
OBJECTIVE: To explore the genetic basis for a Chinese pedigree affected with congenital hypofibrinogenamia. METHODS: Peripheral blood samples were collected from 9 members from the pedigree. Routine coagulation tests including activated partial thromboplastin time (APTT), thrombin time (TT), the prothrombin time (PT) were carried out. The activity of fibrinogen (Fg: C) was measured using Clauss method, and fibrinogen antigen (Fg: Ag) was measured with immunoturbidimetry...
April 10, 2018: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/29652276/utility-of-thromboelastography-versus-routine-coagulation-tests-for-assessment-of-hypocoagulable-state-in-patients-undergoing-cardiac-bypass-surgery
#4
Seema Sharma, Sujeet Kumar, Prabhat Tewari, Shantanu Pande, Manjula Murari
Introduction: Peri-operative monitoring of coagulation is important to diagnose potential cause of hemorrhage, to manage coagulopathy and guide treatment with blood products in patients undergoing cardiac surgery with cardiopulmonary bypass. This study was done to evaluate usefulness of Thromboelastography (TEG) and routine coagulation tests (RCT) in assessing hemostatic changes and predicting postoperative bleeding in patients undergoing cardiac surgery with cardiopulmonary bypass. Methods: Fifty adult patients undergoing cardiac surgery with cardiopulmonary bypass were enrolled in this prospective study...
April 2018: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/29649779/activation-of-hepatic-stellate-cells-during-liver-carcinogenesis-requires-fibrinogen-integrin-%C3%AE-v%C3%AE-5-in-zebrafish
#5
Chuan Yan, Qiqi Yang, Zhiyuan Gong
Hepatocellular carcinoma (HCC) is one of the most common cancers and it usually develops from a background of liver fibrosis or inflammation. The crosstalk between tumor cells and stromal cells plays an important and stimulating role during tumor progression. Previously we found in a krasV12 -induced zebrafish HCC model that oncogenic hepatocytes activate hepatic stellate cells (HSCs) by up-regulation of serotonin and activate neutrophils and macrophages by up-regulation of cortisol. In the present study, we found a novel signaling transduction mechanism between oncogenic hepatocytes and HSCs...
April 9, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29648994/within-subject-biological-variation-of-activated-partial-thromboplastin-time-prothrombin-time-fibrinogen-factor-viii-and-von-willebrand-factor-in-pregnant-women
#6
Ann Helen Kristoffersen, Per Hyltoft Petersen, Line Bjørge, Thomas Røraas, Sverre Sandberg
BACKGROUND: During pregnancy, interpretation of results from coagulation parameters can be difficult as the physiological changes that occur may affect the biochemical parameters. The aim of this study was to describe the normal course of five coagulation parameters in healthy pregnancies, and to estimate the within-subject biological variation (CVI). METHODS: Blood samples were obtained every 4th week during pregnancy and three samples after delivery in 20 healthy women and every 4th week during a 40-week period in 19 healthy non-pregnant women...
April 12, 2018: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/29644153/acute-fatty-liver-of-pregnancy-a-thorough-examination-of-a-harmful-obstetrical-syndrome-and-its-counterparts
#7
Joshua Ronen, Shahzeb Shaheen, David Steinberg, Kevin R Justus
Diagnosed in one of every 20,000 deliveries, acute fatty liver of pregnancy (AFLP) was considered to be a deadly disease for many years. However, advancements in the clinical and surgical management of pregnant mothers have lead to a drastic decrease in maternal morbidity and mortality. The corresponding case recounts a 23-year-old gravida 2 para 1 (G2P1) at 38 weeks gestational age (GA) with no relevant past medical or family medical history that presented to the emergency department (ED) with a five-day history of nausea, protracted vomiting, hypertension, and new-onset headache...
February 6, 2018: Curēus
https://www.readbyqxmd.com/read/29628667/early-predictive-factors-of-hypofibrinogenemia-in-acute-trauma-patients
#8
Shahram Paydar, Behnam Dalfardi, Zahra Shayan, Leila Shayan, Jalal Saem, Shahram Bolandparvaz
Background: Uncontrolled hemorrhage still remains a major cause of trauma-associated mortality. The events resulting in acute traumatic coagulopathy, particularly hypofibrinogenemia, make control of bleeding difficult. It is essential to timely predict, diagnose, and manage trauma-induced coagulopathy. Aims: The aim of this study is to determine clinical and easily available laboratory variables that are predictive of hypofibrinogenemia in acute trauma patients...
January 2018: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/29628664/7-5-nacl-resuscitation-leads-to-abnormal-clot-fibrinolysis-after-severe-hemorrhagic-shock-and-its-correction-with-7-5-nacl-adenosine-lidocaine-and-mg-2
#9
Hayley Louise Letson, Geoffrey Phillip Dobson
Background: Hyperfibrinolysis is a common complication of hemorrhagic shock. Our aim was to examine the effect of small-volume 7.5% NaCl adenosine, lidocaine, and Mg2+ (ALM) on fibrinolysis in the rat model of hemorrhagic shock. Methods: Rats were anesthetized and randomly assigned to one of four groups: (1) baseline, (2) shock, (3) 7.5% NaCl controls, and (4) 7.5% NaCl ALM. Animals were bled for 20 min (42% blood loss) and left in shock for 60 min before resuscitation with 0...
January 2018: Journal of Emergencies, Trauma, and Shock
https://www.readbyqxmd.com/read/29626437/dynamic-reference-intervals-for-coagulation-parameters-from-infancy-to-adolescence
#10
Christina Weidhofer, Meyer Elias, Ristl Robin, Helmut Wiedemann, Janne Cadamuro, Kipman Ulrike, Jakob Zierk, Christoph Male, Peter Quehenberger, Elisabeth Haschke-Becher, Elisa Einwallner
INTRODUCTION: Practical and ethical challenges as well as time and costs have restricted the generation of pediatric reference intervals. Therefore, pediatric reference intervals on coagulation parameters based on solid evidence are still scarce. Furthermore, reference intervals by age-group cannot reflect the dynamics of age and sex specific coagulation values during childhood. This study is the first to close this gap and provide continuous age and sex dependent reference intervals during childhood in hemostasis...
April 4, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29625765/lema-and-erp-y-like-recombinant-proteins-from-leptospira-interrogans-protect-hamsters-from-challenge-using-addavax%C3%A2-as-adjuvant
#11
Thaís Larré Oliveira, Rodrigo Andrade Schuch, Guilherme Roig Inda, Bárbara Couto Roloff, Amilton Clair Pinto Seixas Neto, Marta Amaral, Odir Antonio Dellagostin, Daiane Drawanz Hartwig
BACKGROUND: Recombinant subunit vaccines have been extensively evaluated as promising alternatives against leptospirosis. Here, we evaluated two proteins in formulations containing the adjuvant AddaVax™ as vaccine candidates for prevention and control of leptospirosis. METHODS: Recombinant proteins rErp Y-like and rLemA were characterized by ELISA to assess their ability to bind extracellular matrix (ECM) components and fibrinogen. Groups of eight hamsters were immunized intramuscularly with rErp Y-like or rLemA mixed with a squalene-based adjuvant (AddaVax), and then vaccine efficacy was determined in terms of protection against a lethal challenge...
April 3, 2018: Vaccine
https://www.readbyqxmd.com/read/29624513/mice-with-diet-induced-obesity-demonstrate-a-relative-prothrombotic-factor-profile-and-a-thicker-aorta-with-reduced-ex-vivo-function
#12
Aykut G Uner, Cengiz Unsal, Humeyra Unsal, Mumin A Erdogan, Ece Koc, Mehmet Ekici, Hamdi Avci, Muharrem Balkaya, Ferda Belge, Lokman Tarin
: Classical risk factors such as cholesterol and lipoproteins are currently not sufficient to explain all physiopathological processes of obesity-related vascular dysfunction as well as atherosclerosis and arteriosclerosis. Therefore, the discovery of potential markers involved in vascular dysfunction in the obese state is still needed. Disturbances in hemostatic factors may be involved in the developmental processes associated with obesity-related cardiovascular disorders. We hypothesized that alterations of several hemostatic factors in the obese state could correlate with the function and morphology of the aorta and it could play an important role in the development of vascular dysfunction...
April 4, 2018: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/29624500/homocysteine-is-the-confounding-factor-of-metabolic-syndrome-confirmed-by-sims-score
#13
Branko Srećković, Ivan Soldatovic, Emina Colak, Igor Mrdovic, Mirjana Sumarac-Dumanovic, Hristina Janeski, Nenad Janeski, Jasna Gacic, Vesna Dimitrijevic-Sreckovic
BACKGROUND: Abdominal adiposity has a central role in developing insulin resistance (IR) by releasing pro-inflammatory cytokines. Patients with metabolic syndrome (MS) have higher values of homocysteine. Hyperhomocysteinemia correlates with IR, increasing the oxidative stress. Oxidative stress causes endothelial dysfunction, hypertension and atherosclerosis. The objective of the study was to examine the correlation of homocysteine with siMS score and siMS risk score and with other MS co-founding factors...
April 6, 2018: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/29623883/evaluation-of-the-coagulometer-sta-r-max-%C3%A2-stago-for-routine-coagulation-parameters
#14
Justine Brulé, Thomas Sinegre, Bruno Pereira, Marc G Berger, Anne-Françoise Serre-Sapin, Aurélien Lebreton
The STA R Max® is a fully automated multiparameter coagulometer using clotting (viscosity-based detection system), chromogenic and immunologic assays. STA R Max® is equipped with an innovative software (STA Coag Expert® ) designed to assist laboratory in accreditation. The aim of this study was to evaluate its performances for the certification according to ISO 15189 quality standard in the haemostasis unit of our university hospital. The following tests were evaluated: prothrombin time (PT), activated partial thromboplastin time (aPTT), kaolin cephalin clotting time (KCCT), fibrinogen, anti-Xa assay and D-dimers...
April 1, 2018: Annales de Biologie Clinique
https://www.readbyqxmd.com/read/29623504/coarse-grained-molecular-dynamics-simulations-of-fibrin-polymerization-effects-of-thrombin-concentration-on-fibrin-clot-structure
#15
Sumith Yesudasan, Xianqiao Wang, Rodney D Averett
Studies suggest that patients with deep vein thrombosis and diabetes often have hypercoagulable blood plasma, leading to a higher risk of thromboembolism formation through the rupture of blood clots, which may lead to stroke and death. Despite many advances in the field of blood clot formation and thrombosis, the influence of mechanical properties of fibrin in the formation of thromboembolisms in platelet-poor plasma is poorly understood. In this paper, we combine the concepts of reactive molecular dynamics and coarse-grained molecular modeling to predict the complex network formation of fibrin clots and the branching of fibrin monomers...
April 5, 2018: Journal of Molecular Modeling
https://www.readbyqxmd.com/read/29622877/prolonged-hemocoagulase-agkistrodon-halys-pallas-administration-induces-hypofibrinogenemia-in-patients-with-hematological-disorders-a-clinical-analysis-of-11-patients
#16
Xu Linglong, Wu Dijiong
Hemocoagulase Agkistrodon Halys Pallas, a well-established hemostatic agent used in China, has widespread applications in various conditions of bleeding and hemorrhages. Although it presents a low risk of vascular thrombosis, the agent can be easily tolerated and does not show any harmful effects, except allergy. However, long-term use of hemocoagulase may induce hypofibrinogenemia in some patients. Herein, we report 11 patients of prolonged administration of hemocoagulase Agkistrodon, with particular attention to the dynamic changes in their coagulation functions...
April 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29622876/cupincin-a-novel-cupin-domain-containing-protease-from-rice-oryza-sativa-l-bran-comprising-of-procoagulant-and-fibrinogenolytic-activity
#17
Roopesh Sreedhar, Purnima Kaul Tiku
The current study was carried out to evaluate the pharmacological properties of cupincin- A novel cupin domain containing metalloprotease with limited proteolysis from rice bran on blood coagulation and hydrolysis of human fibrinogen. Cupincin preferentially hydrolyzed the Aα chain of fibrinogen and then the Bβ-chain, but not the γ-chain. Cupincin reduced the re-calcification time of citrated human plasma dose dependently. Analysis of citrated whole blood in the presence of cupincin by rotem showed a decrease in coagulation time and clot formation time...
April 2018: Indian Journal of Hematology & Blood Transfusion
https://www.readbyqxmd.com/read/29622820/high-risk-of-coagulopathy-among-type-2-diabetes-mellitus-clients-at-a-municipal-hospital-in-ghana
#18
Richard Kd Ephraim, Yaw A Awuku, Patrick Adu, Lord Tw Ampomah, Prince Adoba, Solomon Panford, Jerry Pk Ninnoni, Hope Agbodzakey
Background: Persistent hyperglycaemia in diabetes mellitus causes coagulopathies due to glycation of haemoglobin, prothrombin, fibrinogen and other proteins involved in the clotting mechanism. Shortened activated partial thromboplastin time (APTT) and prothrombin time (PT) reflect hypercoagulable state, which is associated with an increased thrombotic risk and adverse cardiovascular effects. This study assessed the coagulation profile of type 2 diabetes mellitus (T2DM) clients at a municipal hospital in Ghana...
September 2017: Ghana Medical Journal
https://www.readbyqxmd.com/read/29622338/pathologic-intimal-thickening-in-human-atherosclerosis-is-formed-by-extracellular-accumulation-of-plasma-derived-lipids-and-dispersion-of-intimal-smooth-muscle-cells
#19
Kazunori Nakagawa, Yutaka Nakashima
BACKGROUND AND AIMS: Pathologic intimal thickening (PIT) is an important stage of atherosclerosis that leads to atheroma. The present study aimed to clarify the pathogenesis of PIT in humans. METHODS: Coronary arteries were obtained from 43 autopsy subjects aged 15-49 years. Non-atherosclerotic intima and atherosclerotic intimal lesions were classified into four groups, i.e. diffuse intimal thickening, fatty infiltration, fatty streak, and PIT, and the number and density of macrophages and smooth muscle cells (SMCs) were determined...
March 26, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29621982/using-a-nomogram-based-on-preoperative-serum-fibrinogen-levels-to-predict-recurrence-of-papillary-thyroid-carcinoma
#20
Lei Jianyong, Li Zhihui, Gong Rixiang, Zhu Jingqiang
BACKGROUND: Hyperfibrinogenemia is increasingly being recognized as an important risk factor related to cancer stage, development and outcomes. We evaluated whether preoperative serum fibrinogen levels predict recurrence of papillary thyroid carcinoma (PTC). METHODS: We retrospectively collected data for 1023 PTC patients who underwent surgery at our institution from Aug 2014 to Aug 2016. In total, 414 patients (from Aug 2014 to Dec 2015) were used as the training set to build the model, and 609 patients (from Jan 2016 to Aug 2016) were used as the testing set to validate the model...
April 5, 2018: BMC Cancer
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