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Coagulation monitoring

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https://www.readbyqxmd.com/read/28213743/development-of-cer-001-preclinical-dose-selection-through-to-phase-i-clinical-findings
#1
Constance H Keyserling, Ronald Barbaras, Renee Benghozi, Jean-Louis Dasseux
BACKGROUND: CER-001 comprises recombinant human apolipoprotein A-I complexed with phospholipids that mimics natural, nascent, pre-β high-density lipoprotein (HDL). We present animal model data showing dose-dependent increases in cholesterol efflux with CER-001 and its subsequent elimination by reverse lipid transport, together with inhibition of atherosclerotic plaque progression. We report the first phase I study results with CER-001 in humans, starting at 0.25 mg/kg, which is 1/80th of the safe dose (20 mg/kg) established in 4-week multiple-dose animal studies dosed every second day...
February 17, 2017: Clinical Drug Investigation
https://www.readbyqxmd.com/read/28210454/managing-patients-taking-edoxaban-in-dentistry
#2
REVIEW
Adrian Curto, Daniel Curto, Jorge Sanchez
BACKGROUND: Anticoagulation therapy is used in several conditions to prevent or treat thromboembolism. A new group of oral anticoagulants with clear advantages over classic dicoumarin oral anticoagulants (warfarin and acenocoumarol) has been developed in recent years. The Food and Drug Administration has approved edoxaban, dabigatran, rivaroxaban and apixaban. Their advantages include: predictable pharmacokinetics, drug interactions and limited food, rapid onset of action and short half-life...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28210451/dental-management-of-patients-taking-novel-oral-anticoagulants-noas-dabigatran
#3
REVIEW
Adrian Curto, Alberto Albaladejo, Alfonso Alvarado
BACKGROUND: A new group of oral anticoagulants (dabigatran, rivaroxaban, apixaban and edoxaban) with clear advantages over classic dicoumarin oral anticoagulants (warfarin and acenocoumarol) has been developed in recent years. Patients being treated with oral anticoagulants are at higher risk for bleeding when undergoing dental treatments. MATERIAL AND METHODS: A literature search was conducted through April 2016 for publications in the ISI Web of Knowledge, PubMed and Cochrane Library using the keywords "dabigatran", "rivaroxaban", "apixaban", "edoxaban", "new oral anticoagulants", "novel oral anticoagulants", "bleeding" and "dental treatment"...
February 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/28209220/very-low-density-lipoprotein-associated-apolipoproteins-predict-cardiovascular-events-and-are-lowered-by-inhibition%C3%A2-of%C3%A2-apoc-iii
#4
Raimund Pechlaner, Sotirios Tsimikas, Xiaoke Yin, Peter Willeit, Ferheen Baig, Peter Santer, Friedrich Oberhollenzer, Georg Egger, Joseph L Witztum, Veronica J Alexander, Johann Willeit, Stefan Kiechl, Manuel Mayr
BACKGROUND: Routine apolipoprotein (apo) measurements for cardiovascular disease (CVD) are restricted to apoA-I and apoB. Here, the authors measured an unprecedented range of apolipoproteins in a prospective, population-based study and relate their plasma levels to risk of CVD. OBJECTIVES: This study sought to measure apolipoproteins directly by mass spectrometry and compare their associations with incident CVD and to obtain a system-level understanding of the correlations of apolipoproteins with the plasma lipidome and proteome...
February 21, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28207542/rifampicin-induced-disseminated-intravascular-coagulation-in-pulmonary-tuberculosis-treatment-a-case-report-and-literature-review
#5
Guo Chen, Jian-Qing He
RATIONALE: Disseminated intravascular coagulation (DIC) induced by daily rifampicin therapy is rare, especially the patient is absent of malignancy, severe infection, and prior exposure to rifampicin. PATIENT CONCERNS: We report a case of DIC induced by daily rifampicin treatment for pulmonary tuberculosis. A 22-year-old, previously healthy man received an anti-tuberculosis therapy consisting of isoniazid, rifampicin, ethambutol, and pyrazinamide on the daily dose recommended by the World Health Organization tuberculosis guidelines after a diagnosis of pulmonary tuberculosis...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28205538/complement-component-5-promotes-lethal-thrombosis
#6
Tomohiro Mizuno, Kengo Yoshioka, Masashi Mizuno, Mie Shimizu, Fumihiko Nagano, Tomoyuki Okuda, Naotake Tsuboi, Shoichi Maruyama, Tadashi Nagamatsu, Masaki Imai
Extracellular histones promote platelet aggregation and thrombosis; this is followed by induction of coagulation disorder, which results in exhaustion of coagulation factors. Complement component 5 (C5) is known to be associated with platelet aggregation and coagulation system activation. To date, the pathological mechanism underlying liver injury has remained unclear. Here, we investigated whether C5 promotes liver injury associated with histone-induced lethal thrombosis. C5-sufficient and C5-deficient mice received single tail vein injections of purified, unfractionated histones obtained from calf thymus (45-75 μg/g)...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202237/bound-and-unbound-humic-acids-perform-different-roles-in-the-aggregation-and-deposition-of-multi-walled-carbon-nanotubes
#7
Xuezhi Yang, Qi Wang, Xiaolei Qu, Wei Jiang
Natural organic matter influences the carbon nanotube transport in aqueous environments. The role of bound humic acid (HA) on carbon nanotubes and unbound HA in bulk solution in the aggregation and deposition of carboxylated multi-walled carbon nanotubes (C-MWNTs) was examined in NaCl and CaCl2 electrolyte solution. Time-resolved dynamic light scattering and quartz crystal microbalance with dissipation monitoring were employed to investigate the C-MWNT aggregation and deposition kinetics, respectively. The critical coagulation concentration (CCC) of C-MWNTs is 30mM in NaCl and 3mM in CaCl2...
February 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28190888/what-are-the-advantages-of-3d-cameras-in-gynaecological-laparoscopy
#8
S Baum, M Sillem, J T Ney, A Baum, M Friedrich, J Radosa, K M Kramer, B Gronwald, S Gottschling, E F Solomayer, A Rody, R Joukhadar
Introduction Minimally invasive operative techniques are being used increasingly in gynaecological surgery. The expansion of the laparoscopic operation spectrum is in part the result of improved imaging. This study investigates the practical advantages of using 3D cameras in routine surgical practice. Materials and Methods Two different 3-dimensional camera systems were compared with a 2-dimensional HD system; the operating surgeon's experiences were documented immediately postoperatively using a questionnaire...
January 2017: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/28188640/rennet-induced-coagulation-of-raw-and-heated-camel-and-cow-milk-gels-determined-by-instrumental-techniques-effects-of-added-calcium-and-phosphate
#9
Romdhane Karoui, Mohammad Kamal
BACKGROUND: The potentiality of the front-face fluorescence spectroscopy and rheological measurements combined with chemometric tools to characterize the structure evolution during coagulation of raw and preheated camel and cow milk at 50 and 70 °C with/without added calcium and phosphate was evaluated. Tryptophan and vitamin A fluorescence spectra were collected during the gelation of milk at 0, 10, 20, 30, 40, and 45 min after the addition of rennet-induced coagulation. In parallel, the storage modulus (G'), loss modulus (G") and tan delta (tan δ) were determined using low amplitude oscillation shear analysis...
February 11, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28188221/successful-use-of-laboratory-monitoring-to-facilitate-an-invasive-procedure-for-a-patient-treated-with-dabigatran
#10
Mackenzie Byron, Sara Zochert, Thaddaus Hellwig, Marioara Gavozdea-Barna, Michael P Gulseth
PURPOSE: A case in which novel and traditional laboratory markers were successfully used to determine surgical intervention timing in an elderly patient receiving dabigatran for atrial fibrillation is reported. SUMMARY: An 86-year-old woman who was taking dabigatran for atrial fibrillation suffered a right femoral neck fracture requiring surgical intervention. Dabigatran was withheld once the patient was admitted to the hospital, and the pharmacy inpatient anticoagulation management team was consulted for guidance on determining appropriate scheduling of surgical intervention with regard to the time since her most recent dabigatran dose to minimize bleeding complications...
February 10, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28187342/statistical-monitoring-and-dynamic-simulation-of-a-wastewater-treatment-plant-a-combined-approach-to-achieve-model-predictive-control
#11
Xiaodong Wang, Harsha Ratnaweera, Johan Abdullah Holm, Vibeke Olsbu
The on-line monitoring of Chemical oxygen demand (COD) and total phosphorus (TP) restrains wastewater treatment plants to achieve better control of aeration and chemical dosing. In this study, we applied principal components analysis (PCA) to find out significant variables for COD and TP prediction. Multiple regression method applied the variables suggested by PCA to predict influent COD and TP. Moreover, a model of full-scale wastewater treatment plant with moving bed bioreactor (MBBR) and ballasted separation process was developed to simulate the performance of wastewater treatment...
February 7, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28184956/-hemorrhagic-shock-general-principles
#12
T I Eiben, V Fuhrmann, B Saugel, S Kluge
Bleeding associated with hemorrhagic shock is often seen in emergency medical services or in the intensive care unit. Identifying the origin of the bleeding and additional disorders helps to determine the degree of the hemorrhagic shock. In order to be effective, the initial therapy until blood products are available needs to be differentiated to be effective in terms of hemodynamic stabilization and coagulation. Crystalloidal and colloidal solutions should be used carefully since those solutions bear a risk within themselves...
February 9, 2017: Der Internist
https://www.readbyqxmd.com/read/28182829/transoral-endoscopic-thyroidectomy-vestibular-approach-toetva-from-a-to-z
#13
Gianlorenzo Dionigi, Matteo Lavazza, Alessandro Bacuzzi, Davide Inversini, Vincenzo Pappalardo, Ralph P Tufano, Hoon Yub Kim, Angkoon Anuwong
We depict the transoral endoscopic thyroidectomy vestibular approach (TOETVA). Patient selection criteria are (1) ultrasonographically (US) estimated thyroid diameter no larger than 10cm, (2) US estimated gland volume ≥45mL, (3) nodule size ≥5mm, (4) a benign tumor, such as a thyroid cyst, single-nodular goiter, or multinodular goiter, (5) follicular neoplasm, and (6) papillary microcarcinoma without evidence of metastasis. TOETVA is carried out through a three-port technique placed at the oral vestibule, one 10mm port for 30° endoscope and two additional 5mm ports for dissecting and coagulating instruments...
February 7, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28170162/gel-like-carbon-dots-characterization-and-their-potential-applications
#14
Yiqun Zhou, Alexandra Desserre, Shiv Kumar Sharma, Shanghao Li, Marvin Marksberry, Charles Chusuei, Patrica Blackwelder, Roger M Leblanc
A type of highly photoluminescent gel-like carbon dots (G-CDs) was successfully synthesized for the first time, by a rapid one-step solvothermal synthesis approach with citric acid and 1, 2-ethylenediamine (EDA) as the precursors. Their gel-like nature was revealed by the Tyndall and coagulation effect which was elucidated by their negative Zeta potential value. The influence of temperatures on the properties and sizes of these G-CDs was analyzed and the best method for maximum quantum yield (QY) was identified...
February 7, 2017: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/28164533/possibility-of-coagulation-system-activation-determination-with-tissue-factor-in-pregnancy-complications
#15
Ludek Slavik, Martin Novak, Jana Ulehlova, Martin Prochazka, Jana Prochazkova, Veronika Lattova, Petr Polak, Radovan Pilka
BACKGROUND: In this part of the study, where we determined the causes of preeclampsia and other obstetric complications, we focused on the role of tissue factor (TF) in the activation of these pathophysiological processes. Recent findings attribute a significant part of the activation of coagulation creation of autoantibodies. Once this mechanism is activated, the antibodies induce expression of tissue factor (TF, CD142) on monocytes and vascular endothelial cells. METHODS: We have proposed a monitor activation model of the coagulation system in preeclampsia and other pregnancy complications using TF expression on monocytes by flow cytometry and simultaneous determination the TF-induced thrombin generation in plasma...
October 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28157735/an-investigation-of-extracellular-histones-in-pig-to-baboon-organ-xenotransplantation
#16
Tao Li, Whayoung Lee, Hidetaka Hara, Cassandra Long, Mohamed Ezzelarab, David Ayares, Hai Huang, Yi Wang, David K C Cooper, Hayato Iwase
BACKGROUND: Serum (extracellular) histone levels are increased in inflammatory states and in the presence of coagulation dysfunction, eg, trauma, chemical/ischemic injury, infection. There is increasing evidence of a systemic inflammatory response associated with the presence of a pig xenograft in a nonhuman primate. We evaluated extracellular histone levels in baboons with various pig xenografts. METHODS: We measured serum histones in baboons with pig heterotopic heart (n=8), life-supporting kidney (n=5), orthotopic liver (n=4), and artery patch (n=9) grafts by ELISA...
February 3, 2017: Transplantation
https://www.readbyqxmd.com/read/28153367/using-sigma-quality-control-to-verify-and-monitor-performance-in-a-multi-instrument-multisite-integrated-health-care-network
#17
REVIEW
Harold H Harrison, Jay B Jones
The authors developed a system-wide integrated network of instrumentation and Sigma-based quality control for fundamental chemistry, coagulation, and hematology analysis. The authors have based selection of Westgard rules for run management on a straightforward, Sigma-driven selection process. The network includes multiple hospitals and large regional clinic laboratories. Most hospitals have multiple instruments; overall there are at least four distinct instrument models active from each manufacturer. The authors have measured and monitored Sigma values in this network for more than five years, to verify and validate performance and to provide ongoing justification for rules selection and rules changes when necessary...
March 2017: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/28153057/unusual-presentation-of-a-severely-ill-patient-having-severe-fever-with-thrombocytopenia-syndrome-a-case-report
#18
Masahiko Kaneko, Masaki Maruta, Hisaharu Shikata, Kengo Asou, Hiroto Shinomiya, Tadaki Suzuki, Hideki Hasegawa, Masayuki Shimojima, Masayuki Saijo
BACKGROUND: Severe fever with thrombocytopenia syndrome is an emerging infectious disease caused by a novel phlebovirus belonging to the family Bunyaviridate. Emergence of encephalitis/encephalopathy during severe fever with thrombocytopenia syndrome progression has been identified as a major risk factor associated with a poor prognosis. Here we report the case of a severely ill patient with severe fever with thrombocytopenia syndrome virus-associated encephalitis/encephalopathy characterized by a lesion of the splenium, which resolved later...
February 3, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28149244/monitoring-and-treatment-of-coagulation-abnormalities-in-burn-patients-an-international-survey-on-current-practices
#19
A Lavrentieva, N Depetris, E Kaimakamis, M Berardino, M Stella
The magnitude of coagulation abnormalities, and the definition and treatment of coagulopathy in burn patients are inadequately understood and continue to be discussed in the literature. We aimed to analyse physicians' views on monitoring and treating coagulation abnormalities in burn patients. A total of 350 questionnaires were distributed electronically to burn ICU physicians. Participation was voluntary and anonymous. Responses were analysed electronically and comparisons were made according to the region of the ICU or the specialty of the physician...
September 30, 2016: Annals of Burns and Fire Disasters
https://www.readbyqxmd.com/read/28129263/tissue-injury-suppresses-fibrinolysis-following-hemorrhagic-shock-in-non-human-primates-rhesus-macaque
#20
Antoni R Macko, Hunter Moore, Andrew P Cap, M Adam Meledeo, Ernest E Moore, Forest R Sheppard
BACKGROUND: Hypoperfusion is associated with hyperfibrinolysis and early death from exsanguination, while tissue trauma is associated with hypofibrinolysis and delayed death from organ failure. We sought to elucidate the effects of injury patterns on fibrinolysis phenotypes using a non-human primate (NHP) model. METHODS: NHPs were randomized to three injury groups (n=8/group): 60 min severe pressure-targeted controlled hemorrhagic shock (HS); HS + soft tissue injury (HS+); or HS + soft tissue injury + femur fracture (HS++)...
January 26, 2017: Journal of Trauma and Acute Care Surgery
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