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Trauma induced coagulopathy

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https://www.readbyqxmd.com/read/27914759/fluid-management-in-patients-with-trauma-restrictive-versus-liberal-approach
#1
REVIEW
Lee Palmer
Massive hemorrhage remains a major cause of traumatic deaths. The ideal fluid resuscitative strategy is much debated. Research has provided inconsistent results regarding which fluid strategy is ideal; the optimum fluid type, timing, and volume remains elusive. Aggressive large-volume resuscitation has been the mainstay based on controlled hemorrhage animal models. For uncontrolled hemorrhagic shock, liberal fluid resuscitative strategies exacerbate the lethal triad, invoke resuscitative injury, and increase mortality while more restrictive fluid strategies tend to ameliorate trauma-induced coagulopathy and favor a greater chance of survival...
December 1, 2016: Veterinary Clinics of North America. Small Animal Practice
https://www.readbyqxmd.com/read/27898431/improving-outcome-of-trauma-patients-by-implementing-patient-blood-management
#2
Christoph Füllenbach, Kai Zacharowski, Patrick Meybohm
PURPOSE OF REVIEW: Patient blood management aims to improve patient outcome and safety by reducing the number of unnecessary red blood cell transfusions and vitalizing patient-specific anemia reserves. While this is increasingly recognized as best clinical practice in elective surgery, the implementation in the setting of trauma is restrained because of typically nonelective (emergency) surgery and, in specific circumstances, allogeneic blood transfusions as life-saving therapy. RECENT FINDINGS: Viscoelastic diagnostics allow a precise identification of trauma-induced coagulopathy...
November 24, 2016: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/27894492/management-of-trauma-induced-coagulopathy-with-thrombelastography
#3
REVIEW
Eduardo Gonzalez, Ernest E Moore, Hunter B Moore
Viscoelastic assays, such as thrombelastography (TEG) and rotational thrombelastometry (ROTEM), have emerged as point-of-care tools that can guide the hemostatic resuscitation of bleeding injured patients. This article describes the role of TEG in contemporary trauma care by explaining this assay's methodology, clinical applications, and result interpretation through description of supporting studies to provide the reader with an evidence-based user's guide. Although TEG and ROTEM are assays based on the same viscoelastic principle, this article is focused on data supporting the use of TEG in trauma, because it is available in trauma centers in North America; ROTEM is mostly available in Europe...
January 2017: Critical Care Clinics
https://www.readbyqxmd.com/read/27894491/coagulopathy-of-trauma
#4
REVIEW
Mitchell J Cohen, S Ariane Christie
Coagulopathy is common after injury and develops independently from iatrogenic, hypothermic, and dilutional causes. Despite considerable research on the topic over the past decade, trauma-induced coagulopathy (TIC) continues to portend poor outcomes, including decreased survival. We review the current evidence regarding the diagnosis and mechanisms underlying trauma induced coagulopathy and summarize the debates regarding optimal management strategy including product resuscitation, potential pharmacologic adjuncts, and targeted approaches to hemostasis...
January 2017: Critical Care Clinics
https://www.readbyqxmd.com/read/27875491/assessing-the-efficacy-of-prothrombin-complex-concentrate-in-multiply-injured-patients-with-high-energy-pelvic-and-extremity-fractures
#5
Bellal Joseph, Mazhar Khalil, Caitlyn Harrison, Tianyi Swartz, Narong Kulvatunyou, Ansab A Haider, Tahereh O Jokar, David Burk, Ali Mahmoud, Rifat Latifi, Peter Rhee
OBJECTIVES: Prothrombin complex concentrate (PCC) is being increasingly used for reversing induced coagulopathy of trauma. However, the use of PCC for reversing coagulopathy in multiply injured patients with pelvic and/or lower extremity fractures remains unclear. The aim of our study was to assess the efficacy of PCC for reversing coagulopathy in this group of patients. DESIGN: Two-year retrospective analysis. SETTING: Our level I trauma center...
December 2016: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/27799045/therapeutic-potential-of-drugs-targeting-pathophysiology-of-intracerebral-hemorrhage-from-animal-models-to-clinical-applications
#6
Kuo-Hsing Liao, Chih-Wei Sung, Ya-Ni Huang, Wei-Jiun Li, Po-Chuan Yu, Jia-Yi Wang
BACKGROUND: Intracerebral hemorrhage (ICH) is one of the most common forms of cerebral hemorrhage, the morbidity and death of ICH is high worldwide. ICH can be spontaneous or caused by hypertension, coagulopathy, angiopathy, head trauma, bleeding disorders, tumors, or drug usage. ICH is the most serious and least treatable form of hemorrhagic stroke, with rapidly increasing hematoma size and often resulting in significant brain injury and long term neurological deficits. Surgical hematoma evacuation remains controversial...
October 27, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27779595/sympathoadrenal-activation-and-endotheliopathy-are-drivers-of-hypocoagulability-and-hyperfibrinolysis-in-trauma-a-prospective-observational-study-of-404-severely-injured-patients
#7
Sisse R Ostrowski, Hanne H Henriksen, Jakob Stensballe, Mikkel Gybel-Brask, Jessica C Cardenas, Lisa A Baer, Bryan A Cotton, John B Holcomb, Charles E Wade, Pär I Johansson
BACKGROUND: One third of severely injured patients present with a laboratory based diagnosis of coagulopathy. This study investigated clinical and biomarker profile of patients with rapid TEG (rTEG) coagulopathy hypothesizing that sympathoadrenal activation and endothelial damage were drivers of this condition. METHODS: Prospective observational study of 404 trauma patients admitted to a Level 1 US Trauma Center. Patients with admission rTEG and plasma measurements of catecholamines (adrenaline, noradrenaline) and biomarkers reflecting endothelial activation/damage (syndecan-1, thrombomodulin, sE-selectin, sVE-cadherin, nucleosomes) were included...
October 25, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27779583/model-of-trauma-induced-coagulopathy-including-hemodilution-fibrinolysis-acidosis-and-hypothermia-impact-on-blood-coagulation-and-platelet-function
#8
Boris Shenkman, Ivan Budnik, Yulia Einav, Hagit Hauschner, Mykhaylo Andrejchin, Uriel Martinowitz
BACKGROUND: Trauma-induced coagulopathy (TIC) is commonly seen among patients with severe injury. The dynamic process of TIC is characterized by variability of the features of the disease. METHODS: A model of TIC was created. Hemodilution was produced by mixing the blood with 40% TRIS/saline solution, fibrinolysis by treating the blood with 160 ng/mL tPA, acidosis by adding 1.2 mg/mL lactic acid achieving pH 7.0-7.1, and hypothermia by running the assay at 31 °C...
October 25, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27755116/blood-products-and-procoagulants-in-traumatic-bleeding-use-and-evidence
#9
Henna Wong, Nicola Curry, Simon J Stanworth
PURPOSE OF REVIEW: Death from uncontrolled haemorrhage is one of the leading causes of trauma-related mortality and is potentially preventable. Advances in understanding the mechanisms of trauma-induced coagulopathy (TIC) have focused attention on the role of blood products and procoagulants in mitigating the sequelae of TIC and how these therapies can be improved. RECENT FINDINGS: A host of preclinical and clinical studies have evaluated blood product availability and efficacy in trauma...
December 2016: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27736370/in-vitro-evaluation-of-aptamer-based-reversible-inhibition-of-anticoagulant-activated-protein-c-as-a-novel-supportive-hemostatic-approach
#10
Nasim Shahidi Hamedani, Heiko Rühl, Julia Janina Zimmermann, Tim Heiseler, Johannes Oldenburg, Günter Mayer, Bernd Pötzsch, Jens Müller
Activated protein C (APC) is a critical regulator of thrombin formation and thereby protects against thrombosis. On the other hand, overwhelming formation of APC increases the risk of bleeding such as in trauma-induced coagulopathy. Thus, pharmacological inhibition of APC activity may improve blood clottability in certain clinical situations. In this study, we demonstrate that the DNA aptamer HS02-52G binds with fast onset (1.118 ± 0.013 × 10(5) M(-1) s(-1)) to APC and possesses a long residence time of 13...
October 13, 2016: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/27724970/the-pre-hospital-administration-of-tranexamic-acid-to-patients-with-multiple-injuries-and-its-effects-on-rotational-thrombelastometry-a-prospective-observational-study-in-pre-hospital-emergency-medicine
#11
Nils Kunze-Szikszay, Lennart A Krack, Pauline Wildenauer, Saskia Wand, Tim Heyne, Karoline Walliser, Christopher Spering, Martin Bauer, Michael Quintel, Markus Roessler
BACKGROUND: Hyperfibrinolysis (HF) is a major contributor to coagulopathy and mortality in trauma patients. This study investigated (i) the rate of HF during the pre-hospital management of patients with multiple injuries and (ii) the effects of pre-hospital tranexamic acid (TxA) administration on the coagulation system. METHODS: From 27 trauma patients with pre-hospital an estimated injury severity score (ISS) ≥16 points blood was obtained at the scene and on admission to the emergency department (ED)...
October 10, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/27724088/advances-in-military-resuscitation
#12
Sharon Edwards, Jason Smith
Trauma is a leading cause of death and disability worldwide, in civilian environments and on the battlefield. Trauma-induced haemorrhage is the principal cause of potentially preventable death, which is generally attributable to a combination of vascular injury and coagulopathy. Survival rates following severe traumatic injury have increased due to advanced trauma management initiatives and treatment protocols, influenced by lessons learned from recent conflicts in Iraq and Afghanistan. The use of tourniquets and intraosseous needles, early blood and blood product transfusion, administration of tranexamic acid in pre-hospital settings, and consultant-led damage control resuscitation incorporating damage control surgery have all played their part...
October 6, 2016: Emergency Nurse: the Journal of the RCN Accident and Emergency Nursing Association
https://www.readbyqxmd.com/read/27716419/the-impact-of-mild-induced-hypothermia-on-the-rate-of-transfusion-and-the-mortality-in-severely-injured-patients-a-retrospective-multi-centre-study
#13
Kai Oliver Jensen, Leonhard Held, Andrea Kraus, Frank Hildebrand, Philipp Mommsen, Ladislav Mica, Guido A Wanner, Peter Steiger, Rudolf M Moos, Hans-Peter Simmen, Kai Sprengel
BACKGROUND: Although under discussion, induced hypothermia (IH) is an established therapy for patients with cardiac arrest or traumatic brain injuries. The influences on coagulopathy and bleeding tendency in severely injured patients (SIP) with concomitant traumatic brain injury are most widely unclear. Therefore, the aim of this study was to quantify the effect of mild IH in SIP with concomitant severe traumatic brain injuries on transfusion rate and mortality. METHODS: In this retrospective multi-centre study, SIP from three European level-1 trauma centres with an ISS ≥16 between 2009 and 2011 were included...
October 6, 2016: European Journal of Medical Research
https://www.readbyqxmd.com/read/27636575/targeted-coagulation-management-in-severe-trauma-the-controversies-and-the-evidence
#14
James Winearls, Michael Reade, Helen Miles, Andrew Bulmer, Don Campbell, Klaus Görlinger, John F Fraser
Hemorrhage in the setting of severe trauma is a leading cause of death worldwide. The pathophysiology of hemorrhage and coagulopathy in severe trauma is complex and remains poorly understood. Most clinicians currently treating trauma patients acknowledge the presence of a coagulopathy unique to trauma patients-trauma-induced coagulopathy (TIC)-independently associated with increased mortality. The complexity and incomplete understanding of TIC has resulted in significant controversy regarding optimum management...
October 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27542655/abbreviated-laparotomy-or-damage-control-laparotomy-why-when-and-how-to-do-it
#15
E J Voiglio, V Dubuisson, D Massalou, Y Baudoin, J L Caillot, C Létoublon, C Arvieux
The goal of abbreviated laparotomy is to treat severely injured patients whose condition requires an immediate surgical operation but for whom a prolonged procedure would worsen physiological impairment and metabolic failure. Indeed, in severely injured patients, blood loss and tissue injuries enhance the onset of the "bloody vicious circle", triggered by the triad of acidosis-hypothermia-coagulopathy. Abbreviated laparotomy is a surgical strategy that forgoes the completeness of operation in favor of a physiological approach, the overriding preference going to rapidity and limiting the procedure to control the injuries...
August 2016: Journal of Visceral Surgery
https://www.readbyqxmd.com/read/27541717/a-step-toward-balance-thrombin-generation-improvement-via-procoagulant-factor-and-antithrombin-supplementation
#16
Alexander Y Mitrophanov, Fania Szlam, Roman M Sniecinski, Jerrold H Levy, Jaques Reifman
BACKGROUND: The use of prothrombin complex concentrates in trauma- and surgery-induced coagulopathy is complicated by the possibility of thromboembolic events. To explore the effects of these agents on thrombin generation (TG), we investigated combinations of coagulation factors equivalent to 3- and 4-factor prothrombin complex concentrates with and without added antithrombin (AT), as well as recombinant factor VIIa (rFVIIa), in a dilutional model. These data were then used to develop a computational model to test whether such a model could predict the TG profiles of these agents used to treat dilutional coagulopathy...
September 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27531659/tactical-damage-control-resuscitation-in-austere-military-environments
#17
REVIEW
Yann Daniel, S Habas, L Malan, J Escarment, J-S David, S Peyrefitte
BACKGROUND: Despite the early uses of tourniquets and haemostatic dressings, blood loss still accounts for the vast majority of preventable deaths on the battlefield. Over the last few years, progress has been made in the management of such injuries, especially with the use of damage control resuscitation concepts. The early application of these procedures, on the field, may constitute the best opportunity to improve survival from combat injury during remote operations. DATA SOURCES: Currently available literature relating to trauma-induced coagulopathy treatment and far-forward transfusion was identified by searches of electronic databases...
December 2016: Journal of the Royal Army Medical Corps
https://www.readbyqxmd.com/read/27506588/in-vitro-effects-of-different-sources-of-fibrinogen-supplementation-on-clot-initiation-and-stability-in-a-model-of-dilutional-coagulopathy
#18
N Schäfer, A Driessen, U Bauerfeind, M Fröhlich, J Ofir, E K Stürmer, M Maegele
OBJECTIVES: To analyse which fibrinogen source may improve coagulation using an in vitro 33% dilutional coagulopathy model. BACKGROUND: Uncritical volume resuscitation in the context of trauma haemorrhage contributes to the iatrogenic arm of the acute trauma-induced coagulopathy through dilution and depletion of coagulation factors, with fibrinogen reaching critical levels first. MATERIALS AND METHODS: By using an experimental model of 33% dilutional coagulopathy, we have analysed which fibrinogen source may exert superior effects on improving haemocoagulative capacities and correcting depleted fibrinogen levels...
August 9, 2016: Transfusion Medicine
https://www.readbyqxmd.com/read/27488493/activation-of-the-protein-c-pathway-and-endothelial-glycocalyx-shedding-is-associated-with-coagulopathy-in-an-ovine-model-of-trauma-and-hemorrhage
#19
Natasha van Zyl, Elissa M Milford, Sara Diab, Kimble Dunster, Peter McGiffin, Stephen G Rayner, Andrew Staib, Michael C Reade, John F Fraser
INTRODUCTION: Acute traumatic coagulopathy (ATC) is an endogenous coagulopathy that develops following tissue injury and shock. The pathogenesis of ATC remains poorly understood, with platelet dysfunction, activation of the protein C pathway, and endothelial glycocalyx shedding all hypothesized to contribute to onset. The primary aim of this study was to develop an ovine model of traumatic coagulopathy, with a secondary aim of assessing proposed pathophysiological mechanisms within this model...
October 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27448541/antibody-functionalized-graphene-biosensor-for-label-free-electrochemical-immunosensing-of-fibrinogen-an-indicator-of-trauma-induced-coagulopathy
#20
Waqas Saleem, Carlos Salinas, Brian Watkins, Gavin Garvey, Anjal C Sharma, Ritwik Ghosh
An antibody, specific to fibrinogen, has been covalently attached to graphene and deposited onto screen printed electrodes using a chitosan hydrogel binder to prepare an inexpensive electrochemical fibrinogen biosensor. Fourier Transform Infrared (FT-IR) spectroscopy has been utilized to confirm the presence of the antibody on the graphene scaffold. Electrochemical Impedance Spectroscopy (EIS) has been utilized to demonstrate that the biosensor responds in a selective manner to fibrinogen in aqueous media even in the presence of plasminogen, a potentially interfering molecule in the coagulopathy cascade...
December 15, 2016: Biosensors & Bioelectronics
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