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prehospital hemorrhage

Mazen J El Sayed, Hani Tamim, Aurelie Mailhac, N Clay Mann
BACKGROUND: Tourniquet use by Emergency Medical Services (EMS) can be life saving for severely injured patients. The adoption of this intervention is not well described in civilian settings. This study describes patterns and trends of tourniquet use by civilian EMS and identifies predictors of such use. METHODS: A retrospective study of four consecutive releases of the U.S. National Emergency Medical Services Information System (NEMSIS) public research dataset (2011-14) was conducted...
September 30, 2016: Prehospital Emergency Care
Nerses Sanossian, Kathleen C Apibunyopas, David S Liebeskind, Sidney Starkman, Adrian M Burgos, Robin Conwit, Marc Eckstein, Frank Pratt, Sam Stratton, Scott Hamilton, Jeffrey L Saver
BACKGROUND AND PURPOSE: Greater numbers of individuals aged ≥80 years enjoy a high quality of life, yet historically stroke trials have excluded this population. We aimed to describe a population of very elderly successfully enrolled into an acute stroke trial and compare their characteristics and outcomes with the younger cohort. METHODS: We analyzed consecutive patients enrolled <2 hours of symptom onset in a prehospital stroke treatment trial, the FAST-MAG clinical trial (Field Administration of Stroke Therapy-Magnesium)...
September 27, 2016: Stroke; a Journal of Cerebral Circulation
Julien Pottecher, François-Xavier Ageron, Clémence Fauché, Denis Chemla, Eric Noll, Jacques Duranteau, Laurent Chapiteau, Jean-François Payen, Pierre Bouzat
BACKGROUND: Early and accurate detection of severe hemorrhage is critical for a timely trigger of massive transfusion (MT). Hemodynamic indices combining heart rate (HR) and either systolic (shock index [SI]) or pulse pressure (PP) (PP/HR ratio) have been shown to track blood loss during hemorrhage. The present study assessed the accuracy of prehospital SI and PP/HR ratio to predict subsequent MT, using the gray-zone approach. METHODS: This was a retrospective analysis (January 1, 2009, to December 31, 2011) of a prospectively developed trauma registry (TRENAU), in which the triage scheme combines patient severity and hospital facilities...
October 2016: Journal of Trauma and Acute Care Surgery
O S Mattila, H Harve, S Pihlasviita, J Ritvonen, G Sibolt, M Pystynen, D Strbian, S Curtze, M Kuisma, T Tatlisumak, P J Lindsberg
OBJECTIVES: Blood-based biomarkers could enable early and cost-effective diagnostics for acute stroke patients in the prehospital setting to support early initiation of treatments. To facilitate development of ultra-acute biomarkers, we set out to implement large-scale prehospital blood sampling and determine feasibility and diagnostic timesavings of this approach. MATERIALS AND METHODS: Emergency medical services (EMS) personnel of the Helsinki metropolitan area were trained to collect prehospital blood samples from thrombolysis candidates using a cannula adapter technique...
September 18, 2016: Acta Neurologica Scandinavica
Daniel K Nishijima, Samuel Gaona, Trent Waechter, Ric Maloney, Troy Bair, Adam Blitz, Andrew R Elms, Roel D Farrales, Calvin Howard, James Montoya, Jeneita M Bell, Victor C Coronado, David E Sugerman, Dustin W Ballard, Kevin E Mackey, David R Vinson, James F Holmes
OBJECTIVE: Prehospital provider assessment of the use of anticoagulant or antiplatelet medications in older adults with head trauma is important. These patients are at increased risk for traumatic intracranial hemorrhage and therefore field triage guidelines recommend transporting these patients to centers capable of rapid evaluation and treatment. Our objective was to evaluate EMS ascertainment of anticoagulant and antiplatelet medication use in older adults with head trauma. METHODS: A retrospective study of older adults with head trauma was conducted throughout Sacramento County...
September 16, 2016: Prehospital Emergency Care
Daniela Pelclová, Sergey Zakharov
UNLABELLED: Methanol mass poisoning occurs across the world quite frequently, but the complete clinical and laboratory data of the patients are only rarely available. Approximately 138 cases of poisoning were documented in the Czech Republic, 107 patients were hospitalized. Another 31 persons died out of hospital. About 60 % of the hospitalized patients survived intoxication without consequences, one half of the remaining 40 % died and the other half survived with the CNS and/or sight impaired...
2016: Vnitr̆ní Lékar̆ství
S E van Oostendorp, E C T H Tan, L M G Geeraedts
INTRODUCTION: Exsanguination following trauma is potentially preventable. Extremity tourniquets have been successfully implemented in military and civilian prehospital care. Prehospital control of bleeding from the torso and junctional area's remains challenging but offers a great potential to improve survival rates. This review aims to provide an overview of potential treatment options in both clinical as preclinical state of research on truncal and junctional bleeding. Since many options have been developed for application in the military primarily, translation to the civilian situation is discussed...
2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
Matthew M Carrick, Jan Leonard, Denetta S Slone, Charles W Mains, David Bar-Or
Hemorrhagic shock is a principal cause of death among trauma patients within the first 24 hours after injury. Optimal fluid resuscitation strategies have been examined for nearly a century, more recently with several randomized controlled trials. Hypotensive resuscitation, also called permissive hypotension, is a resuscitation strategy that uses limited fluids and blood products during the early stages of treatment for hemorrhagic shock. A lower-than-normal blood pressure is maintained until operative control of the bleeding can occur...
2016: BioMed Research International
Jorge Mena-Munoz, Udayan Srivastava, Christian Martin-Gill, Brian Suffoletto, Clifton W Callaway, Francis X Guyette
BACKGROUND: Civilian out-of-hospital transfusions have not been adequately studied. This study seeks to characterize patients receiving out-of-hospital blood product transfusion during critical care transport. STUDY DESIGN AND METHODS: We studied patients transported by a regional critical care air-medical service who received blood products during transport. This service carries two units of uncrossmatched packed Red Blood Cells (pRBCs) on every transport in addition to blood obtained from referring facilities...
September 2016: Prehospital Emergency Care
Rudy Gibson, James K Aden, Michael A Dubick, John F Kragh
BACKGROUND: Emergency tourniquet use has been associated with hemorrhage control and improved survival during the wars since 2001, but little is known of the differential performance of pneumatic tourniquet models. The purpose of this study was to compare the performance of three models of pneumatic tourniquets in a laboratory setting to aid a possible decision to field test suitable models for medic preference. METHODS: A laboratory experiment was designed to test the effectiveness of tourniquets on a manikin thigh...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
Tatsuhiro Fujii, Gabriela Moriel, Daniel R Kramer, Frank Attenello, Gabriel Zada
Over the past several decades, the rate of traumatic brain injury (TBI)-related emergency room visits in the United States has steadily increased, yet mortality in these patients has decreased. This improvement in outcome is largely due to advances in prehospital care, intensive care unit management, and the effectiveness of neurosurgical procedures, such as decompressive craniectomies. It is imperative to identify clinical factors predictive of patients who benefit from early mobilization of resources and operative treatment...
September 2016: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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
Peter L Jernigan, Richard S Hoehn, Daniel Cox, Judy Heyl, Warren C Dorlac, Timothy A Pritts
INTRODUCTION: Hypertonic crystalloid solutions, colloids, and fresh whole blood (FWB) have all been proposed for prehospital resuscitation after hemorrhage. However, there are no direct comparisons of the efficacy of these different fluids. We compared Hextend, 3% hypertonic saline (HS), and FWB in a porcine model of hemorrhagic shock. MATERIALS AND METHODS: Female swine (n = 5/group) underwent splenectomy and pressure-controlled hemorrhage followed by resuscitation with Hextend, 3% HS, or FWB...
September 2016: Shock
Valerie Plant, Ashley Limkemann, Loren Liebrecht, Charles Blocher, Paula Ferrada, Michel Aboutanos, Martin J Mangino
INTRODUCTION: Polyethylene glycol-20k (PEG-20k) is highly effective for low volume resuscitation (LVR) by increasing tolerance to the low volume state. In our rodent shock model, PEG-20k increased survival and expanded the "golden hour" 16-fold compared to saline. The molecular mechanism is largely attributed to normalizations in cell and tissue fluid shifts after low flow ischemia resulting in efficient microvascular exchange. The objective of this study was to evaluate PEG-20k as a low volume resuscitation solution for hemorrhagic shock in a pre-clinical model...
June 8, 2016: Journal of Trauma and Acute Care Surgery
Jennifer Leonard, John Zietlow, David Morris, Kathleen Berns, Steven Eyer, Kurt Martinson, Donald Jenkins, Scott Zietlow
BACKGROUND: Life-threatening hemorrhage is a leading cause of preventable mortality in trauma patients. Since publication of the Hartford Consensus statement, there has been intense interest in civilian use of commercial hemostatic gauze and tourniquets. Although the military has studied their use on soldiers with wartime injuries, there are limited data on patient outcomes following civilian prehospital use and no data on the use in rural trauma. METHODS: We performed a multi-institutional retrospective analysis of clinical outcomes following prehospital use of QuikClot combat gauze (QC) and combat application tourniquets (CATs) from 2009 to 2014...
September 2016: Journal of Trauma and Acute Care Surgery
David N Naumann, Iain M Smith, Alastair Beaven, Mark J Midwinter
No abstract text is available yet for this article.
August 2016: Journal of Trauma and Acute Care Surgery
Michael E Abboud, Roger Band, Judy Jia, William Pajerowski, Guy David, Michelle Guo, C Crawford Mechem, Steven R Messé, Brendan G Carr, Michael T Mullen
OBJECTIVE: Hospital arrival via Emergency Medical Services (EMS) and EMS prenotification are associated with faster evaluation and treatment of stroke. We sought to determine the impact of diagnostic accuracy by prehospital providers on emergency department quality measures. METHODS: A retrospective study was performed of patients presenting via EMS between September 2009 and December 2012 with a discharge diagnosis of transient ischemic attack (TIA), ischemic stroke (IS), or intracerebral hemorrhage (ICH)...
May 31, 2016: Prehospital Emergency Care
Hadi Khoshmohabat, Shahram Paydar, Hossein Mohammad Kazemi, Behnam Dalfardi
CONTEXT: In today's modern world, despite the multiple advances made in the field of medicine, hemorrhagic shock is still the main cause of battlefield mortality and the second most prevalent cause of mortality in civilian trauma. Hemostatic agents can play a key role in establishing hemostasis in prehospital situations and preventing hemorrhage-associated death. In this respect, this article aims to review different aspects of known hemostatic agents. EVIDENCE ACQUISITION: A comprehensive search of the academic scientific databases for relevant keywords was conducted; relevant articles were compiled and assessed...
February 2016: Trauma Monthly
Cornelius A Thiels, Johnathon M Aho, Aoidhnait S Fahy, Maile E Parker, Amy E Glasgow, Kathleen S Berns, Elizabeth B Habermann, Scott P Zietlow, Martin D Zielinski
INTRODUCTION: Despite advances in trauma care, hemorrhage continues to be the leading cause of preventable mortality in trauma. The evidence to support its use in non-trauma patients is limited. We aim to report our experience with prehospital blood product transfusion. We hypothesize that it is safe, appropriately utilized, and that our protocol, which was designed for trauma patients, is adaptable to fit the needs of non-trauma patients. METHODS: Patients transfused with blood products, packed red blood cells (pRBCs) or plasma, in the prehospital environment between 2002 and 2014 were included...
October 2016: World Journal of Surgery
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
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