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Acute traumatic coagulopathy

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https://www.readbyqxmd.com/read/27906868/individual-clotting-factor-contributions-to-mortality-following-trauma
#1
Ryan C Kunitake, Benjamin M Howard, Lucy Z Kornblith, Sabrinah A Christie, Amanda S Conroy, Mitchell J Cohen, Rachael A Callcut
BACKGROUND: Acute traumatic coagulopathy (ATC) afflicts 20-30% of trauma patients, but the extensive collinearity of the coagulation cascade complicates attempts to clarify global clotting factor dysfunction. This study aims to characterize phenotypes of clotting factor dysfunction and their contributions to mortality after major trauma. METHODS: This prospective cohort study examines all adult trauma patients of the highest activation level presenting to San Francisco General Hospital between 2/2005 and 2/2015...
November 30, 2016: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/27892596/extracorporeal-membrane-oxygenation-support-in-trauma-versus-nontrauma-patients-with-noninfectious-acute-respiratory-failure
#2
Hyoung Soo Kim, Sang Ook Ha, Sang Jin Han, Hyun-Sook Kim, Sun Hee Lee, Ki-Suck Jung, Sunghoon Park
The utility of extracorporeal membrane oxygenation (ECMO) in patients with acute respiratory distress syndrome (ARDS) of noninfectious origin remains unclear. Data on patients with ARDS of noninfectious origin who underwent ECMO were reviewed retrospectively. We compared the pre-ECMO characteristics and hospital outcomes of patients with traumatic and nontraumatic ARDS. In total, 23 patients (trauma, n = 9; nontrauma, n = 14) were included in the study. The mean patient age was 42 years, there were three females, and the mean pre-ECMO Simplified Acute Physiologic Score (SAPS) II was 60...
November 28, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27846895/development-and-validation-of-a-prehospital-prediction-model-for-acute-traumatic-coagulopathy
#3
Ithan D Peltan, Ali Rowhani-Rahbar, Lisa K Vande Vusse, Ellen Caldwell, Thomas D Rea, Ronald V Maier, Timothy R Watkins
BACKGROUND: Acute traumatic coagulopathy (ATC) is a syndrome of early, endogenous clotting dysfunction that afflicts up to 30% of severely injured patients, signaling an increased likelihood of all-cause and hemorrhage-associated mortality. To aid identification of patients within the likely therapeutic window for ATC and facilitate study of its mechanisms and targeted treatment, we developed and validated a prehospital ATC prediction model. METHODS: Construction of a parsimonious multivariable logistic regression model predicting ATC - defined as an admission international normalized ratio >1...
November 16, 2016: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/27811561/haemostatic-resuscitation-in-trauma-the-next-generation
#4
Jakob Stensballe, Sisse R Ostrowski, Pär I Johansson
PURPOSE OF REVIEW: To discuss the recent developments in and evolvement of next generation haemostatic resuscitation in bleeding trauma. RECENT FINDINGS: Mortality from major trauma is a worldwide problem, and massive haemorrhage remains a major cause of potentially preventable deaths. Development of coagulopathy further increases trauma mortality emphasizing that coagulopathy is a key target in the phase of bleeding. The pathophysiology of coagulopathy in trauma reflects at least three distinct mechanisms that may be present isolated or coexist: acute traumatic coagulopathy, coagulopathy associated with the lethal triad, and consumptive coagulopathy...
December 2016: Current Opinion in Critical Care
https://www.readbyqxmd.com/read/27689344/evaluation-of-acute-traumatic-coagulopathy-in-dogs-and-cats-following-blunt-force-trauma
#5
Dara L Gottlieb, Jennifer Prittie, Yekaterina Buriko, Kenneth E Lamb
OBJECTIVE: To evaluate the presence of acute traumatic coagulopathy (ATC) in dogs and cats following blunt trauma and to relate coagulation variables with injury severity and admission variables. DESIGN: Prospective, single center, observational study from 2013 to 2014. SETTING: Urban private referral hospital. ANIMALS: Eighteen and 19 client-owned dogs and cats, respectively, sustaining blunt trauma within 8 hours of presentation without prior resuscitation; 17 healthy staff and client-owned control cats METHODS: Blood samples were collected upon presentation for measurement of blood gas, lactate, blood glucose, ionized calcium, PCV, total plasma protein, prothrombin time (PT), activated partial thromboplastin time (aPTT), fibrinogen, platelet count, and thromboelastography...
September 30, 2016: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/27596720/the-prevalence-of-women-s-emotional-and-physical-health-problems-following-a-postpartum-haemorrhage-a-systematic-review
#6
Margaret Carroll, Deirdre Daly, Cecily M Begley
BACKGROUND: Postpartum Haemorrhage (PPH) is a leading cause of maternal mortality with approximately 225 women dying as a result of it each day especially in low income countries. However, much less is known about morbidity after a PPH. This systematic review aimed to determine the overall prevalence of emotional and physical health problems experienced by women following a postpartum haemorrhage. METHODS: Eight databases were searched for published non-randomised, observational, including cohort, primary research studies that reported on the prevalence of emotional and/or physical health problems following a PPH...
2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27592185/patients-with-multiple-traumatic-amputations-an-analysis-of-operation-enduring-freedom-joint-theatre-trauma-registry-data
#7
Brandon W Godfrey, Ashley Martin, Paul J Chestovich, Gordon H Lee, Nichole K Ingalls, Vilas Saldanha
INTRODUCTION: Improvised Explosive Devices (IED) are the primary wounding mechanism for casualties in Operation Enduring Freedom. Patients can sustain devastating traumatic amputations, which are unlike injuries seen in the civilian trauma sector. This is a database analysis of the largest patient registry of multiple traumatic amputations. METHODS: The Joint Theater Trauma Registry was queried for patients with a traumatic amputation from 2009 to 2012. Data obtained included the Injury Severity Score (ISS), Glasgow Coma Score (GCS), blood products, transfer from theatre, and complications including DVT, PE, infection (Acinetobacter and fungal), acute renal failure, and rhabdomyolysis...
August 17, 2016: Injury
https://www.readbyqxmd.com/read/27531317/platelet-adenosine-diphosphate-inhibition-in-trauma-patients-by-thromboelastography-correlates-with-paradoxical-increase-in-platelet-dense-granule-content-by-flow-cytometry
#8
Ashley N Bartels, Cory Johnson, Julie Lewis, James W Clevenger, Stephen L Barnes, Richard D Hammer, Salman Ahmad
BACKGROUND: The mechanism of platelet dysfunction in acute traumatic coagulopathy is unknown. Traumatic brain injury is hypothesized as a cause, while some investigators presume platelets become "exhausted." We hypothesized that platelet hyperstimulation and consumption resulting from trauma leads to decreased platelet function secondary to depletion of platelet granules. METHODS: Twenty-five trauma patients were divided into traumatic brain injury and no traumatic brain injury groups...
October 2016: Surgery
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
#9
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/27445340/an-in-vitro-study-of-the-effects-of-t-pa-and-tranexamic-acid-on-whole-blood-coagulation-and-fibrinolysis
#10
Anne Godier, Kiran Parmar, Karuna Manandhar, Beverley J Hunt
AIMS: Acute traumatic coagulopathy is characterised by fibrinolysis and low fibrinogen. It is unclear how much fibrinogenolysis contributes to reduce fibrinogen levels. The study aim was to: investigate in vitro the effects of tissue-plasminogen activator (t-PA) and tranexamic acid (TXA) on coagulation and fibrinolysis. METHODS: Whole blood was spiked with varying t-PA concentrations. Clauss fibrinogen levels and thrombelastography (TEG, Haemonetics) were performed, including functional fibrinogen level (FLEV)...
July 21, 2016: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27436061/blockade-of-extracellular-high-mobility-group-box-1-attenuates-systemic-inflammation-and-coagulation-abnormalities-in-rats-with-acute-traumatic-coagulopathy
#11
Lin Xu, Kun Zhao, Xiao Shen, Xin-Xin Fan, Kai Ding, Ren-Min Liu, Feng Wang
BACKGROUND As an extracellularly released mediator, high-mobility group box 1 (HMGB1) initiates sterile inflammation following severe trauma. Serum HMGB1 levels correlate well with acute traumatic coagulopathy (ATC) in trauma patients, which is independently associated with higher mortality. We investigated the involvement of HMGB1 in ATC through blocking extracellular HMGB1. MATERIAL AND METHODS The ATC model was induced by polytrauma and hemorrhage in male Sprague-Dawley rats, which were randomly assigned to sham, ATC, and ATCH (ATC with HMGB1 blockade) groups...
2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27405067/tactical-study-of-care-originating-in-the-prehospital-environment-tacscope-acute-traumatic-coagulopathy-on-the-contemporary-battlefield
#12
Robert T Gerhardt, Elon Glassberg, John B Holcomb, Robert L Mabry, Martin B Schreiber, Philip C Spinella
BACKGROUND: Uncontrolled major hemorrhage and delayed evacuation remain substantial contributors to potentially survivable combat death, along with mission, environment, terrain, logistics, and hostile action. Life-saving interventions and the onset of acute traumatic coagulopathy (ATC) may also contribute. OBJECTIVE: Analyze US casualty records from the DoD Trauma Registry, using International Normalized Ratio (INR) of 1.5 for onset of ATC. METHODS: Retrospective cohort study from September 2007 to June 2011, inclusive...
September 2016: Shock
https://www.readbyqxmd.com/read/27380536/plasma-transfusion-history-current-realities-and-novel-improvements
#13
Justin J J Watson, Shibani Pati, Martin A Schreiber
Traumatic hemorrhage is the leading cause of preventable death after trauma. Early transfusion of plasma and balanced transfusion have been shown to optimize survival, mitigate the acute coagulopathy of trauma, and restore the endothelial glycocalyx. There are a myriad of plasma formulations available worldwide, including fresh frozen plasma, thawed plasma, liquid plasma, plasma frozen within 24 h, and lyophilized plasma (LP). Significant equipoise exists in the literature regarding the optimal plasma formulation...
November 2016: Shock
https://www.readbyqxmd.com/read/27215864/lessons-learned-for-the-resuscitation-of-traumatic-hemorrhagic-shock
#14
Philip C Spinella, Jeremy G Perkins, Andrew P Cap
The lessons learned regarding the resuscitation of traumatic hemorrhagic shock are numerous and come from a better understanding of the epidemiology, pathophysiology, and experience in this population over 10-plus years of combat operations. We have now come to better understand that the greatest benefit in survival can come from improved treatment of hemorrhage in the prehospital phase of care. We have learned that there is an endogenous coagulopathy that occurs with severe traumatic injury secondary to oxygen debt and that classic resuscitation strategies for severe bleeding based on crystalloid or colloid solutions exacerbate coagulopathy and shock for those with life-threatening hemorrhage...
April 2016: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/27212591/new-understandings-of-post-injury-coagulation-and-resuscitation
#15
REVIEW
Mitchell Jay Cohen, S Ariane Christie
Coagulopathy following injury is common and it predicts poor outcomes and increased mortality. For many decades, coagulopathy in trauma was considered as an iatrogenic phenomenon, and clinical practice focused on a resuscitation strategy using large volume crystalloid and packed red blood cells. The discovery of Acute Traumatic Coagulopathy as a distinct pathophysiologic state coupled with a transition towards balanced product resuscitation has fundamentally changed the paradigm of trauma care and represents one of the most active areas of current research in the field of trauma...
September 2016: International Journal of Surgery
https://www.readbyqxmd.com/read/27206278/sympathoadrenal-activation-is-associated-with-acute-traumatic-coagulopathy-and-endotheliopathy-in-isolated-brain-injury
#16
Alex P Di Battista, Sandro B Rizoli, Brandon Lejnieks, Arimie Min, Maria Y Shiu, Henry T Peng, Andrew J Baker, Michael G Hutchison, Nathan Churchill, Kenji Inaba, Bartolomeu B Nascimento, Airton Leonardo de Oliveira Manoel, Andrew Beckett, Shawn G Rhind
BACKGROUND: Acute coagulopathy after traumatic brain injury (TBI) involves a complex multifactorial hemostatic response that is poorly characterized. OBJECTIVES: To examine early posttraumatic alterations in coagulofibrinolytic, endothelial, and inflammatory blood biomarkers in relation to sympathetic nervous system (SNS) activation and 6-month patient outcomes, using multivariate partial least-squares (PLS) analysis. PATIENTS AND METHODS: A multicenter observational study of 159 adult isolated TBI patients admitted to the emergency department at an urban level I trauma center, was performed...
September 2016: Shock
https://www.readbyqxmd.com/read/27190065/early-coagulation-events-induce-acute-lung-injury-in-a-rat-model-of-blunt-traumatic-brain-injury
#17
Hideki Yasui, Deborah L Donahue, Mark Walsh, Francis J Castellino, Victoria A Ploplis
Acute lung injury (ALI) and systemic coagulopathy are serious complications of traumatic brain injury (TBI) that frequently lead to poor clinical outcomes. Although the release of tissue factor (TF), a potent initiator of the extrinsic pathway of coagulation, from the injured brain is thought to play a key role in coagulopathy after TBI, its function in ALI following TBI remains unclear. In this study, we investigated whether the systemic appearance of TF correlated with the ensuing coagulopathy that follows TBI in ALI using an anesthetized rat blunt trauma TBI model...
July 1, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27177401/metabolomics-of-trauma-associated-death-shared-and-fluid-specific-features-of-human-plasma-vs-lymph
#18
Angelo D'alessandro, Travis Nemkov, Hunter B Moore, Ernest E Moore, Matthew Wither, Trevor Nydam, Annie Slaughter, Christopher C Silliman, Anirban Banerjee, Kirk C Hansen
BACKGROUND: Water-soluble components in mesenteric lymph have been implicated in the pathophysiology of acute lung injury and distal organ failure following trauma and haemorrhagic shock. Proteomics analyses have recently shown similarities and specificities of post-trauma/haemorrhagic shock lymph and plasma. We hypothesise that the metabolic phenotype of post-trauma/haemorrhagic shock mesenteric lymph and plasma share common metabolites, but are also characterised by unique features that differentiate these two fluids...
May 2016: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/27172161/%C3%AE-blockade-use-for-traumatic-injuries-and-immunomodulation-a-review-of-proposed-mechanisms-and-clinical-evidence
#19
Tyler J Loftus, Philip A Efron, Lyle L Moldawer, Alicia M Mohr
Sympathetic nervous system activation and catecholamine release are important events following injury and infection. The nature and timing of different pathophysiologic insults have significant effects on adrenergic pathways, inflammatory mediators, and the host response. Beta adrenergic receptor blockers (β-blockers) are commonly used for treatment of cardiovascular disease, and recent data suggests that the metabolic and immunomodulatory effects of β-blockers can expand their use. β-blocker therapy can reduce sympathetic activation and hypermetabolism as well as modify glucose homeostasis and cytokine expression...
October 2016: Shock
https://www.readbyqxmd.com/read/27155585/the-prognostic-value-of-plasma-nesfatin-1-concentrations-in-patients-with-traumatic-brain-injury
#20
Gang-Qun Wu, Xiao-Min Chou, Wen-Jian Ji, Xiao-Gang Yang, Luo-Xin Lan, Yan-Jun Sheng, Yang-Fang Shen, Jian-Rong Li, Guo-Zhong Huang, Wen-Hua Yu, Xiao-Qiao Dong, Quan Du, Ding-Bo Yang, Zu-Yong Zhang, Hao Wang, Yong-Feng Shen, Li Jiang
BACKGROUND: Nesfatin-1 is related to inflammation. Its increased circulating concentrations are associated with the severity and prognosis of subarachnoid hemorrhage. In-hospital major adverse events (IMAEs), including acute traumatic coagulopathy, progressive hemorrhagic injury and posttraumatic cerebral infarction, are correlated with mortality after traumatic brain injury (TBI). The present study was designed to investigate the changes of plasma nesfatin-1 concentrations and further assess its association with inflammation, trauma severity, in-hospital mortality and IMAEs following TBI...
July 1, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
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