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point of care coagulation

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https://www.readbyqxmd.com/read/29652744/clinical-pearls-part-3-anaesthetic-management-of-abnormally-invasive-placentation
#1
Vinod Patil, Gamunu Ratnayake, Galina Fastovets, D S Wijayatilake
PURPOSE OF REVIEW: Abnormal placentation is a clinical condition seen increasingly in the pregnant population. It is associated with significant morbidity and mortality, which may be mitigated through robust multidisciplinary care for these patients. The role of maternal critical care for these patients has largely been ignored in the literature. RECENT FINDINGS: Advances in pharmacological management of bleeding with recent publications of large multicentre trials in addition to new technologies in the management of massive obstetric haemorrhage (MOH) have revolutionized the management of abnormal placentation...
April 12, 2018: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/29605581/hematological-complications-in-children-subjected-to-extracorporeal-membrane-oxygenation
#2
M J Santiago, C Gómez, I Magaña, V Muñoz, P Saiz, A Sánchez, J López-Herce
OBJECTIVES: To analyze the hematological complications and need for transfusions in children receiving extracorporeal life support (ECLS). DESIGN: A retrospective study was carried out. SETTING: A pediatric intensive care unit. PATIENTS: Children under 18 years of age treated with ECLS between September 2006 and November 2015. INTERVENTIONS: None. VARIABLES OF INTEREST: Patient and ECLS characteristics, anticoagulation, hematological and coagulation parameters, transfusions and clinical course...
March 29, 2018: Medicina Intensiva
https://www.readbyqxmd.com/read/29577222/-establishment-of-comprehensive-prediction-model-of-acute-gastrointestinal-injury-classification-of-critically-ill-patients
#3
Yan Wang, Jianrong Wang, Weiwei Liu, Guangliang Zhang
OBJECTIVE: To develop the comprehensive prediction model of acute gastrointestinal injury (AGI) grades of critically ill patients. METHODS: From April 2015 to November 2015, the binary channel gastrointestinal sounds (GIS) monitor system which has been developed and verified by the research group was used to gather and analyze the GIS of 60 consecutive critically ill patients who were admitted in Critical Care Medicine of Chinese PLA General Hospital. Also, the AGI grades (Grande I(-IIII(, the higher the level, the heavier the gastrointestinal dysfunction) were evaluated...
March 25, 2018: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29525246/evaluation-and-management-of-aortic-stenosis-for-the-emergency-clinician-an-evidence-based-review-of-the-literature
#4
Michael Gottlieb, Brit Long, Alex Koyfman
INTRODUCTION: Aortic stenosis is a common condition among older adults that can be associated with dangerous outcomes, due to both the disease itself and its influence on other conditions. OBJECTIVE: This review provides an evidence-based summary of the current emergency department (ED) evaluation and management of aortic stenosis. DISCUSSION: Aortic stenosis refers to significant narrowing of the aortic valve and can be caused by calcific disease, congenital causes, or rheumatic valvular disease...
March 7, 2018: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29485284/carbon-nanotube-strain-sensor-based-hemoretractometer-for-blood-coagulation-testing
#5
Zida Li, Yize Wang, Xufeng Xue, Brendan McCracken, Kevin Ward, Jianping Fu
Coagulation monitoring is essential for perioperative care and thrombosis treatment. However, existing assays for coagulation monitoring have limitations such as a large footprint and complex setup. In this work, we developed a miniaturized device for point-of-care blood coagulation testing by measuring dynamic clot retraction force development during blood clotting. In this device, a blood drop was localized between a protrusion and a flexible force-sensing beam to measure clot retraction force. The beam was featured with micropillar arrays to assist the deposition of carbon nanotube films, which served as a strain sensor to achieve label-free electrical readout of clot retraction force in real time...
February 27, 2018: ACS Sensors
https://www.readbyqxmd.com/read/29474346/level-of-agreement-between-laboratory-and-point-of-care-prothrombin-time-in-patients-after-stopping-or-continuation-of-acenocoumarol-anticoagulation-a-comparison-of-diagnostic-accuracy
#6
Elisabeth A J de Vos, Yolien J Hagen, Michael I Meesters, Nada Osmanovic, Christa Boer, Marcel A de Leeuw
BACKGROUND: Procedures requiring optimisation of the coagulation status of patients using vitamin K antagonists are frequently postponed due to the late availability of laboratory international normalised ratio (INR) test results. A point-of-care (POC) alternative may facilitate early decision-making in peri-operative patients. OBJECTIVES: To assess the level of agreement between the POC-INR and the laboratory INR in patients who continue or stop vitamin K antagonists to determine whether the POC test may be a good alternative to the laboratory INR...
February 22, 2018: European Journal of Anaesthesiology
https://www.readbyqxmd.com/read/29444563/recent-update-on-coagulation-management-and-hemostatic-therapies-in-liver-transplantation
#7
Ezeldeen Abuelkasem, Kenichi A Tanaka, Raymond M Planinsic
Liver transplantation is an ever-evolving field and understanding coagulation management and hemostatic therapies is essential for good outcomes. In this review, we discuss current monitoring tools available in the operating room and the hemostatic agents available to control hemostasis. Multifactorial coagulation defects are discussed and point-of care monitoring is reviewed to guide selection of hemostatic agents when indicated.
February 14, 2018: Minerva Anestesiologica
https://www.readbyqxmd.com/read/29433148/international-council-for-standardization-in-haematology-icsh-recommendations-for-laboratory-measurement-of-direct-oral-anticoagulants
#8
Robert C Gosselin, Dorothy M Adcock, Shannon M Bates, Jonathan Douxfils, Emmanuel J Favaloro, Isabelle Gouin-Thibault, Cecilia Guillermo, Yohko Kawai, Edelgard Lindhoff-Last, Steve Kitchen
This guidance document was prepared on behalf of the International Council for Standardization in Haematology (ICSH) for providing haemostasis-related guidance documents for clinical laboratories. This inaugural coagulation ICSH document was developed by an ad hoc committee, comprised of international clinical and laboratory direct acting oral anticoagulant (DOAC) experts. The committee developed consensus recommendations for laboratory measurement of DOACs (dabigatran, rivaroxaban, apixaban and edoxaban), which would be germane for laboratories assessing DOAC anticoagulation...
February 12, 2018: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29430275/engineering-a-simple-lateral-flow-device-for-animal-blood-coagulation-monitoring
#9
Hua Li, Daewoo Han, Giovanni M Pauletti, Andrew J Steckl
Increasing numbers of animals are diagnosed with thromboembolism, requiring anticoagulation treatment to prevent thrombotic events. Frequent and periodic coagulation monitoring is critical to ensure treatment effectiveness and patient safety by limiting blood coagulation ability within the desired therapeutic range. Point-of-care diagnostics is an ideal candidate for frequent coagulation monitoring due to rapid test results and no need for laboratory setting. This article reports the first utilization of no-reaction lateral flow assay (nrLFA) device for simple and low-cost animal blood coagulation monitoring in resource-limited setting...
January 2018: Biomicrofluidics
https://www.readbyqxmd.com/read/29407620/point-of-care-testing-poct-to-assess-drug-concentration-in-patients-treated-with-non-vitamin-k-antagonist-oral-anticoagulants-noacs
#10
S Padayattil Jose, A Banzato, P Carraro, A Haleh, K Rossi, G Nante, G Denas, G Zoppellaro, V Pengo
BACKGROUND: Non-vitamin K antagonist oral anticoagulants (NOACs) do not need routine laboratory monitoring but measurement of drug concentration is important in emergency conditions. Specific laboratory tests are not readily available or not implemented in every hospital. Point-of-Care Tests (POCT) may bridge this gap and be used as a bedside solution. OBJECTIVES: Feasibility of POCT to assess plasma levels of dabigatran, rivaroxaban and apixaban. PATIENTS/METHODS: Activated Coagulation Time-Low Range (ACT - LR) using a portable Hemochron Signature Elite for dabigatran and prothrombin time (expressed as INR) by Coaguchek XS Pro for rivaroxaban and apixaban were obtained at trough and peak in 136 consecutive patients taking NOACs (70 on dabigatran, 45 on rivaroxaban and 20 on apixaban)...
January 30, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29395816/a-comparative-study-of-point-of-care-prothrombin-time-in-cardiopulmonary-bypass-surgery
#11
Shihoko Okabayashi, Satoru Ogawa, Kenichi A Tanaka, Takashi Nishiyama, Shusuke Takeshita, Yoshinobu Nakayama, Yasufumi Nakajima, Teiji Sawa, Toshiki Mizobe
OBJECTIVE: Point-of-care (POC) devices allow for prothrombin time/international normalized ratio (PT/INR) testing in whole blood (WB) and timely administration of plasma or prothrombin complex concentrate during cardiopulmonary bypass surgery. This study evaluated the sensitivities of a new POC PT test, a dry-hematology method with heparin neutralization technology (DRIHEMATO PT-S [DRI PT-S]; A&T Corporation, Kanagawa, Japan), and compared it with other POC tests currently available. DESIGN: Prospective, observational study...
December 29, 2017: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/29363781/advanced-hemophilic-arthropathy-sensitivity-of-soft-tissue-discrimination-with-musculoskeletal-ultrasound
#12
Annette von Drygalski, Randy E Moore, Sonha Nguyen, Richard F W Barnes, Lena M Volland, Tudor H Hughes, Jiang Du, Eric Y Chang
OBJECTIVES: Point-of-care musculoskeletal ultrasound (US) is increasingly used by hemophilia providers to guide management; however, pathologic tissue differentiation with US is uncertain. We sought to determine the extent to which point-of-care musculoskeletal US can identify and discriminate pathologic soft tissue changes in hemophilic arthropathy. METHODS: Thirty-six adult patients with hemophilia A/B were prospectively enrolled. Point-of-care musculoskeletal US examinations were performed on arthropathic joints (16 knees, 10 ankles, and 10 elbows) using standard views by a musculoskeletal US-trained and certified hematologist, who recorded abnormal intra-articular soft tissue accumulation...
January 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29363269/measuring-fibrinolysis-from-research-to-routine-diagnostic-assays
#13
REVIEW
C Longstaff
Development and standardization of fibrinolysis methods have progressed more slowly than coagulation testing and routine high-throughput screening tests for fibrinolysis are still lacking. In laboratory research, a variety of approaches are available and are applied to understand the regulation of fibrinolysis and its contribution to the hemostatic balance. Fibrinolysis in normal blood is slow to develop. For practical purposes plasminogen activators can be added to clotting plasma, or euglobulin prepared to reduce endogenous inhibitors, but results are complicated by these manipulations...
April 2018: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/29359377/successful-management-of-obstetric-disseminated-intravascular-coagulation-using-a-portable-fibrinogen-measuring-device
#14
Rie Inoue, Hiroyuki Sumikura, Asako Kumagai, Noriko Kato, Shintaro Makino, Atsuo Itakura
The importance of fibrinogen replacement therapy in obstetric disseminated intravascular coagulation is well recognized. However, fibrinogen measurement in conventional laboratories has been a time-consuming task. Recently, a Japanese manufacturer developed a portable device that enables immediate fibrinogen measurement at the point of care. This report describes a case in which this device was used for the successful management of obstetric disseminated intravascular coagulation.
April 2018: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/29355793/position-of-the-french-working-group-on-perioperative-haemostasis-gihp-on-viscoelastic-tests-what-role-for-which-indication-in-bleeding-situations
#15
Stéphanie Roullet, Emmanuel de Maistre, Brigitte Ickx, Normand Blais, Sophie Susen, David Faraoni, Delphine Garrigue, Fanny Bonhomme, Anne Godier, Dominique Lasne
PURPOSE: Viscoelastic tests (VETs), thromboelastography (TEG® ) and thromboelastometry (ROTEM® ) are global tests of coagulation performed on whole blood. They evaluate the mechanical strength of a clot as it builds and develops after coagulation itself. The time required to obtain haemostasis results remains a major problem for clinicians dealing with bleeding, although some teams have developed a rapid laboratory response strategy. Indeed, the value of rapid point-of-care diagnostic devices such as VETs has increased over the years...
February 3, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29329171/nonhuman-primate-rhesus-macaque-models-of-severe-pressure-targeted-hemorrhagic-and-polytraumatic-hemorrhagic-shock
#16
Forest R Sheppard, Antoni R Macko, Jacob J Glaser, Philip J Vernon, Alexander J Burdette, Ruth Madelaine Paredes, Craig A Koeller, Anthony E Pusateri, Douglas K Tadaki, Sylvain Cardin
BACKGROUND: We endeavored to develop clinically translatable nonhuman primate (NHP) models of severe polytraumatic hemorrhagic shock. METHODS: NHPs were randomized into five severe pressure-targeted hemorrhagic shock (PTHS) ± additional injuries scenarios: 30-min PTHS (PTHS-30), 60-min PTHS (PTHS-60), PTHS-60 + soft tissue injury (PTHS-60+ST), PTHS-60+ST + femur fracture (PTHS-60+ST+FF), and decompensated PTHS+ST+FF (PTHS-D). Physiologic parameters were recorded and blood samples collected at five time points with animal observation through T = 24 h...
February 2018: Shock
https://www.readbyqxmd.com/read/29318027/diagnostic-performances-of-two-rapid-tests-for-detection-of-feline-leukemia-virus-antigen-in-sera-of-experimentally-feline-leukemia-virus-infected-cats
#17
Matthew R Krecic, Sridhar Velineni, Patrick Meeus, Huihao Fan, Michael Loenser
Objectives: The objective of this study was to compare the diagnostic sensitivities and specificities of WITNESS FeLV-FIV (Zoetis) and SNAP FIV/FeLV Combo Test (IDEXX) for the detection of FeLV p27 antigen in the sera of experimentally feline leukemia virus (FeLV)-infected cats. Methods: Diagnostic sensitivities of WITNESS and SNAP were determined through testing of 47 serum samples collected from cats day 56 post-experimental infection with a virulent FeLV Rickard strain...
January 2018: JFMS Open Reports
https://www.readbyqxmd.com/read/29310686/comparison-of-two-different-coagulation-algorithms-on-the-use-of-allogenic-blood-products-and-coagulation-factors-in-severely-injured-trauma-patients-a-retrospective-multicentre-observational-study
#18
Alexander Kaserer, Mattias Casutt, Kai Sprengel, Burkhardt Seifert, Donat R Spahn, Philipp Stein
BACKGROUND: At the University Hospital Zurich (USZ) and the Cantonal Hospital of Lucerne (LUKS) an individualized goal-directed coagulation and transfusion algorithm was introduced and implemented before 2012 (Coagulation algorithm of the USZ: USZ-Alg; of the LUKS: LUKS-Alg). Main differences between both algorithms are: 1) A target haematocrit-range of 0.21-0.24 (USZ-Alg) vs. a lower haematocrit limit only (LUKS-Alg). 2) Blind coagulation-package in selected cases (LUKS-Alg only). 3) Factor XIII substitution is considered earlier according to the USZ-Alg...
January 8, 2018: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29261592/whole-blood-and-hextend-bookends-of-modern-tactical-combat-casualty-care-field-resuscitation-and-starting-point-for-multi-functional-resuscitation-fluid-development
#19
Forest R Sheppard, Thomas A Mitchell, Antoni R Macko, Darren M Fryer, Leasha J Schaub, Kassandra M Ozuna, Jacob J Glaser
BACKGROUND: Hemorrhage is the leading cause of preventable death in traumatically injured civilian and military populations. Pre-hospital resuscitation largely relies on crystalloid and colloid intra-vascular expansion, as whole blood and component blood therapy are logistically arduous. In this experiment, we evaluated the bookends of Tactical Combat Casualty Care Guidelines recommendations of pre-hospital resuscitation with Hextend and whole blood in a controlled hemorrhagic shock model within non-human primates, as means of a multi-functional resuscitative fluid development...
December 20, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29204476/data-documenting-the-performance-of-the-pt-inr-line-correction-method-for-reconciling-inr-discrepancies-between-central-laboratory-coagulation-analyzers-using-different-thromboplastins-during-the-evaluation-of-a-portable-coagulometer
#20
Wendy S Baker, Kathleen J Albright, Heidi Spratt, Megan Berman, Peggy A Mann, Jaime Unabia, John R Petersen
The data presented here was produced as part of an evaluation of the performance of the CoaguChek XS point-of-care coagulation analyzer, which is discussed in the research article "POCT PT INR - Is it adequate for Patient Care? A Comparison of the Roche Coaguchek XS vs. Stago Star vs. Siemens BCS in Patients Routinely Seen in an Anticoagulation Clinic" (Baker et al., in press) [1]. An effort to reconcile discrepancies in the patient INR result distributions from different central lab instruments (Stago Star and Siemens BCS) with the PT/INR line method is described (Poller et al...
February 2018: Data in Brief
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