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Trauma induced coagulopathy

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https://www.readbyqxmd.com/read/28522144/viscoelastic-tissue-plasminogen-activator-challenge-predicts-massive-transfusion-in-15-minutes
#1
Hunter B Moore, Ernest E Moore, Michael P Chapman, Benjamin R Huebner, Peter M Einersen, Solimon Oushy, Christopher C Silliman, Anirban Banerjee, Angela Sauaia
BACKGROUND: Coagulopathy is associated with massive transfusion in trauma, yet most clinical scores to predict this end point do not incorporate coagulation assays. Previous work has identified that shock increases circulating tissue plasminogen activator (tPA). When tPA levels saturate endogenous inhibitors, systemic hyperfibrinolysis can occur. Therefore, the addition of tPA to a patient's blood sample could stratify a patients underlying degree of shock and early coagulation changes to predict progression to massive transfusion...
April 17, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28509781/correction-of-severe-coagulopathy-and-hyperfibrinolysis-by-tranexamic-acid-and-recombinant-factor-viia-in-a-cirrhotic-patient-after-trauma-a-case-report
#2
Jack Louro, Katherine Andersen, Roman Dudaryk
Coagulopathy induced by trauma or cirrhosis is a well-recognized entity. Viscoelastic testing has been used in either condition for goal-directed transfusion and detection of fibrinolysis since conventional coagulation tests do not correlate with clinical risk of bleeding. Hemostatic resuscitation may not be adequate for a trauma patient with liver disease due to complex alterations in coagulation systems and occasionally require adjuvant therapy. We report a case of trauma-induced coagulopathy presenting as severe hyperfibrinolysis in a cirrhotic patient who was refractory to hemostatic resuscitation but was rapidly corrected by the administration of tranexamic acid and recombinant Factor VIIa...
May 12, 2017: A & A Case Reports
https://www.readbyqxmd.com/read/28500652/freeze-dried-plasma-enhances-clot-formation-and-inhibits-fibrinolysis-in-the-presence-of-tissue-plasminogen-activator-similar-to-pooled-liquid-plasma
#3
Benjamin R Huebner, Ernest E Moore, Hunter B Moore, Angela Sauaia, Gregory Stettler, Monika Dzieciatkowska, Kirk Hansen, Anirban Banerjee, Christopher C Silliman
BACKGROUND: Systemic hyperfibrinolysis is an integral part of trauma-induced coagulopathy associated with uncontrolled bleeding. Recent data suggest that plasma-first resuscitation attenuates hyperfibrinolysis; however, the availability, transport, storage, and administration of plasma in austere environments remain challenging and have limited its use. Freeze-dried plasma (FDP) is a potential alternative due to ease of storage, longer shelf life, and efficient reconstitution. FDP potentially enhances clot formation and resists breakdown better than normal saline (NS) and albumin and similar to liquid plasma...
May 12, 2017: Transfusion
https://www.readbyqxmd.com/read/28477287/the-current-understanding-of-trauma-induced-coagulopathy-tic-a-focused-review-on-pathophysiology
#4
REVIEW
Stefano Giordano, Luca Spiezia, Elena Campello, Paolo Simioni
The emergency management of acute severe bleeding in trauma patients has changed significantly in recent years. In particular, greater attention is now being devoted to a prompt assessment of coagulation alterations, which allows for immediate haemostatic resuscitation procedures when necessary. The importance of an early trauma-induced coagulopathy (TIC) diagnosis has led physicians to increase the efforts to better understand the pathophysiological alterations observed in the haemostatic system after traumatic injuries...
May 5, 2017: Internal and Emergency Medicine
https://www.readbyqxmd.com/read/28457981/coagulation-factor-concentrates-and-point-of-care-coagulation-monitoring-both-might-be-essential-for-optimal-treatment-of-trauma-induced-coagulopathy
#5
Oliver Grottke, Rolf Rossaint
No abstract text is available yet for this article.
April 27, 2017: Lancet Haematology
https://www.readbyqxmd.com/read/28457980/reversal-of-trauma-induced-coagulopathy-using-first-line-coagulation-factor-concentrates-or-fresh-frozen-plasma-retic-a-single-centre-parallel-group-open-label-randomised-trial
#6
Petra Innerhofer, Dietmar Fries, Markus Mittermayr, Nicole Innerhofer, Daniel von Langen, Tobias Hell, Gottfried Gruber, Stefan Schmid, Barbara Friesenecker, Ingo H Lorenz, Mathias Ströhle, Verena Rastner, Susanne Trübsbach, Helmut Raab, Benedikt Treml, Dieter Wally, Benjamin Treichl, Agnes Mayer, Christof Kranewitter, Elgar Oswald
BACKGROUND: Effective treatment of trauma-induced coagulopathy is important; however, the optimal therapy is still not known. We aimed to compare the efficacy of first-line therapy using fresh frozen plasma (FFP) or coagulation factor concentrates (CFC) for the reversal of trauma-induced coagulopathy, the arising transfusion requirements, and consequently the development of multiple organ failure. METHODS: This single-centre, parallel-group, open-label, randomised trial was done at the Level 1 Trauma Center in Innsbruck Medical University Hospital (Innsbruck, Austria)...
April 27, 2017: Lancet Haematology
https://www.readbyqxmd.com/read/28452886/platelet-transfusions-reduce-fibrinolysis-but-do-not-restore-platelet-function-during-trauma-hemorrhage
#7
Paul Vulliamy, Scarlett Gillespie, Lewis S Gall, Laura Green, Karim Brohi, Ross A Davenport
INTRODUCTION: Platelets play a critical role in hemostasis with aberrant function implicated in trauma-induced coagulopathy. However, the impact of massive transfusion protocols on platelet function during trauma hemorrhage is unknown. The aim of this study was to characterize the effects of platelet transfusion on platelet aggregation and fibrinolytic markers during hemostatic resuscitation. METHODS: Trauma patients enrolled into the prospective Activation of Coagulation and Inflammation in Trauma (ACIT) study between January 2008 and November 2015 who received at least four units of packed red blood cells (PRBCs) were included...
April 27, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28364737/viscoelastic-testing-in-trauma
#8
Mathijs R Wirtz, Holger M Baumann, J Henriëtte Klinkspoor, J Carel Goslings, Nicole P Juffermans
Traumatic-induced coagulopathy (TIC) is a complex condition which develops both as a response to trauma as well as to clinical care interventions. Accurate and timely diagnostics are necessary to enable therapy aimed at correction of TIC. Viscoelastic hemostatic assays (VHA) are increasingly recognized for their potential to diagnose TIC as well as for guidance of treatment. This narrative review focuses on the evidence of the use of VHAs to diagnose TIC, to monitor efficacy of treatment of TIC during bleeding and to prognosticate outcome...
April 1, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28336026/viscoelastic-studies-effective-tools-for-trauma-and-surgical-resuscitation-efforts
#9
Dagoberto Salinas
Trauma-induced coagulopathy (TIC) is an abrupt disruption of all hemostatic components of coagulation resulting from severe tissue injury and hypoperfusion. The effective management of TIC has remained elusive to clinicians using traditional laboratory methods, challenging efforts to improve outcomes related to uncontrolled bleeding. Recent initiatives have aimed to reduce TIC-associated morbidity and mortality, further invoking trauma experts to explore innovative modalities in the field of viscoelastic studies, such as thromboelastography (TEG) and rotational thromboelastometry (ROTEM)...
April 2017: AORN Journal
https://www.readbyqxmd.com/read/28297730/point-of-care-coagulation-monitoring-in-trauma-patients
#10
Philipp Stein, Alexander Kaserer, Gabriela H Spahn, Donat R Spahn
Trauma remains one of the major causes of death and disability all over the world. Uncontrolled blood loss and trauma-induced coagulopathy represent preventable causes of trauma-related morbidity and mortality. Treatment may consist of allogeneic blood product transfusion at a fixed ratio or in an individualized goal-directed way based on point-of-care (POC) and routine laboratory measurements. Viscoelastic POC measurement of the developing clot in whole blood and POC platelet function testing allow rapid and tailored coagulation and transfusion treatment based on goal-directed, factor concentrate-based algorithms...
March 15, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28289544/pathophysiology-of-trauma-induced-coagulopathy-disseminated-intravascular-coagulation-with-the-fibrinolytic-phenotype
#11
REVIEW
Mineji Hayakawa
In severe trauma patients, coagulopathy is frequently observed in the acute phase of trauma. Trauma-induced coagulopathy is coagulopathy caused by the trauma itself. The pathophysiology of trauma-induced coagulopathy consists of coagulation activation, hyperfibrino(geno)lysis, and consumption coagulopathy. These pathophysiological mechanisms are the characteristics to DIC with the fibrinolytic phenotype.
2017: Journal of Intensive Care
https://www.readbyqxmd.com/read/28257393/potential-role-of-platelet-leukocyte-aggregation-in-trauma-induced-coagulopathy-ex-vivo-findings
#12
Johannes Zipperle, Katrin Altenburger, Martin Ponschab, Christoph J Schlimp, Andreas Spittler, Soheyl Bahrami, Heinz Redl, Herbert Schöchl
BACKGROUND: Platelet dysfunction has been identified as an important contributor of trauma-induced coagulopathy, but the underlying mechanism still remains to be elucidated. Trauma-associated proinflammatory stimuli strongly activate leukocytes, which in turn bind activated platelets. Therefore, we investigated the role of platelet-leukocyte aggregation (PLA) as a potential feature of trauma-induced platelet dysfunction. METHODS: Whole blood from 10 healthy donors was exposed to selective and collective platelet and leukocyte agonists in order to simulate differential states of activation...
May 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28251431/48%C3%A2-h-cessation-of-mechanical-ventilation-during-venovenous-extracorporeal-membrane-oxygenation-in-severe-trauma-a-case-report
#13
Justyna Swol, Yann Fülling, Christopher Ull, Matthias Bechtel, Thomas A Schildhauer
A 32-year-old motorcyclist who was hit by a tram subsequently presented with blunt force thoracic trauma, a pelvic fracture and a penetrating injury to the left lower extremity. Coagulopathy persisted following surgery of the leg and pelvic vascular intervention. Bedside thoracotomy was performed to treat pneumothorax and pneumopericardium. Severe hypoxemia secondary to lung failure ensued, which required venovenous extracorporeal membrane oxygenation (VV ECMO) support. On the third day after the trauma, ultra-protective mechanical ventilation was not possible due to non-existent lung compliance; thus, the ventilator was disconnected, and the T-piece was connected to the blocked tracheal tube left in the airway...
March 1, 2017: Journal of Artificial Organs: the Official Journal of the Japanese Society for Artificial Organs
https://www.readbyqxmd.com/read/28240645/point-of-care-monitoring-for-the-management-of-trauma-induced-bleeding
#14
REVIEW
Alexander A Hanke, Hauke Horstmann, Michaela Wilhelmi
PURPOSE OF REVIEW: Knowledge of trauma-induced coagulopathy has been grown in the past and point-of-care suitable devices for coagulation testing have been introduced. Methodology and clinical application of different systems for point-of-care coagulation monitoring are shown with a focus on thrombelastography as measured by TEG, rotational thromboelastometry as measured by ROTEM and impedance aggregometry as measured by the multiplate analyser and ROTEM platelet. RECENT FINDINGS: Two different methods for point-of-care coagulation assessment are available: viscoelastic tests (ROTEM, TEG) and impedance aggregometry...
April 2017: Current Opinion in Anaesthesiology
https://www.readbyqxmd.com/read/28230635/valproic-acid-modulates-platelet-and-coagulation-function-ex-vivo
#15
Ted Bambakidis, Simone E Dekker, Ihab Halaweish, Baoling Liu, Vahagn C Nikolian, Patrick E Georgoff, Patryk Piascik, Yongqing Li, Martin Sillesen, Hasan B Alam
Trauma-induced coagulopathy is associated with adverse patient outcome. Animal models demonstrate that histone deacetylase inhibitors, such as valproic acid (VPA), improve survival following injury. While in-vivo data suggest that improved survival may in part be because of an attenuation of coagulopathy, it remains unknown whether this is a direct effect of the drug, or the establishment of an overall prosurvival phenotype. We thus conducted an ex-vivo experiment to determine if VPA has an effect on coagulation and platelet function...
February 21, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28225739/damage-control-laparotomy-utilization-rates-are-highly-variable-among-level-i-trauma-centers-pragmatic-randomized-optimal-platelet-and-plasma-ratios-findings
#16
Justin Jeremiah Joseph Watson, Jamison Nielsen, Kyle Hart, Priya Srikanth, John D Yonge, Christopher R Connelly, Phillip M Kemp Bohan, Hillary Sosnovske, Barbara C Tilley, Gerald van Belle, Bryan A Cotton, Terence S OʼKeeffe, Eileen M Bulger, Karen J Brasel, John B Holcomb, Martin A Schreiber
BACKGROUND: Damage control laparotomy (DCL) is intended to limit deleterious effects from trauma-induced coagulopathy. DCL has been associated with mortality reduction, but may increase complications including sepsis, abscess, respiratory failure, hernia, and gastrointestinal fistula. We hypothesized that (1) DCL incidence would vary between institutions; (2) mortality rates would vary with DCL rates; (3) standard DCL criteria of pH, international normalized ratio, temperature and major intra-abdominal vascular injury would not adequately capture all patients...
March 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28225526/nonhuman-primate-model-of-polytraumatic-hemorrhagic-shock-recapitulates-early-platelet-dysfunction-observed-following-severe-injury-in-humans
#17
Leasha J Schaub, Hunter B Moore, Andrew P Cap, Jacob J Glaser, Ernest E Moore, Forest R Sheppard
BACKGROUND: Platelet dysfunction has been described as an early component of trauma-induced coagulopathy. The platelet component of trauma-induced coagulopathy remains to be fully elucidated and translatable animal models are required to facilitate mechanistic investigations. We sought to determine if the early platelet dysfunction described in trauma patients could be recapitulated in a nonhuman primate model of polytraumatic hemorrhagic shock. METHODS: Twenty-four male rhesus macaques weighting 7 to 14 kg were subjected to 60 minutes (min) of severe pressure-targeted controlled hemorrhagic shock (HS) with and without other injuries...
March 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28219085/fibrinolysis-in-trauma-myth-reality-or-something-in-between
#18
REVIEW
Mark Walsh, Jacob Shreve, Scott Thomas, Ernest Moore, Hunter Moore, Daniel Hake, Tim Pohlman, Patrick Davis, Victoria Ploplis, Andres Piscoya, Julie Wegner, John Bryant, Anton Crepinsek, James Lantry, Forest Sheppard, Francis Castellino
The emphasis on fibrinolysis as an important contributor to trauma-induced coagulopathy (TIC) has led to a debate regarding the relative clinical significance of fibrinolysis in the setting of trauma. The debate has centered on two camps. The one camp defines fibrinolysis in trauma by standard coagulation tests as well as fibrin split products, D-dimers, and plasmin/antiplasmin levels. This camp favors a more liberal use of tranexamic acid and attributes more significance to hyperfibrinolysis in TIC. The other camp favors a definition of fibrinolysis based on the viscoelastic tests (VET), rotational thromboelastometry (ROTEM), and thromboelastography (TEG)...
March 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28219084/diagnosis-and-treatment-of-hyperfibrinolysis-in-trauma-a-european-perspective
#19
REVIEW
Lewis S Gall, Karim Brohi, Ross A Davenport
Fibrinolysis activation occurs almost universally after severe trauma. Systemic hyperfibrinolysis is a key component of acute traumatic coagulopathy and associated with poor clinical outcomes, although controversy exists over optimal treatment strategies. The mechanistic drivers and dynamics of fibrinolytic activation in response to injury and trauma resuscitation are currently unclear. Furthermore, therapeutic triggers are compounded by the lack of a sensitive and rapid diagnostic tool, with discrepancy between hyperfibrinolysis diagnosed by viscoelastic hemostatic assays versus biomarkers for fibrinolysis...
March 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28184955/-tranexamic-acid-in-the-german-emergency-medical-service-a%C3%A2-national-survey
#20
V Zickenrott, I Greb, A Henkelmann, F Balzer, S Casu, L Kaufner, C von Heymann, K Zacharowski, C F Weber
BACKGROUND: Trauma-induced coagulopathy, one of the leading causes of trauma-related death, is detected in about one of four trauma patients upon hospital admission. The current European Management of Major Bleeding and Coagulopathy Following Trauma guidelines, published in 2013, recommend that tranexamic acid (TXA) be administered as early as possible to inhibit hyperfibrinolysis (grade of recommendation (GoR 1A)). Furthermore, it is suggested that protocols for the management of patients with bleeding or showing signs of bleeding include the administration of the first dose of TXA at the site of injury or during transportation to hospital (GoR 2C)...
February 9, 2017: Der Anaesthesist
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