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Military tourniquets

John F Kragh, James K Aden, Michael A Dubick
BACKGROUND: Pneumatic field tourniquets have been recommended for Military medics to stop bleeding from limb wounds, but no comparison of commercially available pneumatic models of tourniquet has been reported. The purpose of this study is to provide laboratory data on the differential performance of models of pneumatic tourniquets to inform decision-making of potential field assessment by military users. METHODS: Models included the Emergency and Military Tourniquet (EMT), Tactical Pneumatic Tourniquet 2-inch (TPT2), and Tactical Pneumatic Tourniquet 3-inch (TPT3)...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
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
Michael J Beltran, Tyson E Becker, Richard K Hurley, Jennifer M Gurney, Roman A Hayda
Hemorrhage continues to be the most common cause of death among service members wounded in combat. Injuries that were previously nonsurvivable in previous wars are now routinely seen by combat surgeons in forward surgical units, the result of improvements in body armor, the universal use of field tourniquets to control extremity hemorrhage at the point of injury, and rapid air evacuation strategies. Combat orthopaedic surgeons remain a vital aspect of the forward surgical unit, tasked with assisting general surgical colleagues in the resuscitation of patients in hemorrhagic shock while also addressing traumatic amputations, open and closed long bone fractures, and mechanically unstable pelvic trauma...
October 2016: Journal of Orthopaedic Trauma
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
Erez N Baruch, Avi Benov, Avi Shina, Amy L Berg, Amir Shlaifer, Elon Glassberg, James K Aden, Tarif Bader, John F Kragh, Avraham Yitzhak
INTRODUCTION: Although a lifesaving skill, currently, there is no consensus for the required amount of practice in tourniquet use. We compared the effect of 2 amounts of practice on performance of tourniquet use by nonmedical personnel. METHODS: Israeli military recruits without previous medical training underwent their standard tactical first aid course, and their initial performance in use of the Combat Application Tourniquet (CAT; Composite Resources, Rock Hill, SC) was assessed...
August 27, 2016: American Journal of Emergency Medicine
Vincent J Mase, Janet L Roe, Robert J Christy, Michael A Dubick, Thomas J Walters
BACKGROUND: The widespread application of tourniquets has reduced battlefield mortality related to extremity exsanguinations. Tourniquet-induced ischemia-reperfusion injury (I/R) can contribute to muscle loss. Postischemic conditioning (PostC) confers protection against I/R in cardiac muscle and skeletal muscle flaps. The objective of this study was to determine the effect of PostC on extremity muscle viability in an established rat hindlimb tourniquet model. METHODS: Rats were randomly assigned to PostC-1, PostC-2, or no conditioning ischemic groups (n = 10 per group)...
April 16, 2016: American Journal of Emergency Medicine
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
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...
August 16, 2016: Journal of the Royal Army Medical Corps
Erez N Baruch, John F Kragh, Amy L Berg, James K Aden, Avi Benov, Avi Shina, Amir Shlaifer, Alon Ahimor, Elon Glassberg, Avraham Yitzhak
OBJECTIVE: Tourniquet application is a lifesaving skill taught worldwide in first aid bleeding control courses. We observed performance among non-medical users of tourniquets in their confidence, competence, and reasons for failure. METHODS: 179 Israeli military recruits without prior medical training underwent their standard first aid course where they learned Combat Application Tourniquet (CAT; Composite Resources, Rock Hill, SC, USA) use. After course completion, they self-reported confidence in tourniquet use...
August 5, 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
Thomas Peponis, Elie Ramly, Kym A Roth, David R King
BACKGROUND: Chemical, biological, radiological, and nuclear threats (CBRNs) are uncommon; however, Special Operations Forces (SOF) are likely at the highest risk for tactical exposure. In the event of exposure, SOF will rely on the Joint Service Lightweight Integrated Suit Technology (JSLIST) for survival. Doctrine dictates that a tourniquet should be applied over the JSLIST after a severe limb injury with hemorrhage. There is no evidence in the literature that the Combat Application Tourniquet (C-A-T), which is currently the most widely available tourniquet on the battlefield, can effectively occlude arterial blood flow when applied over the JSLIST...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
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
Michelle H Scerbo, Jacob P Mumm, Keith Gates, Joseph D Love, Charles E Wade, John B Holcomb, Bryan A Cotton
BACKGROUND: The United States military considers tourniquets to be effective for controlling bleeding from major limb trauma. The purpose of this study was to assess whether tourniquets are safely applied to the appropriate civilian patient with major limb trauma of any etiology. METHODS: Following IRB approval, patients arriving to a level-1 trauma center between October 2008 and May 2013 with a prehospital (PH) or emergency department (ED) tourniquet were reviewed...
May 31, 2016: Prehospital Emergency Care
John F Kragh, Matthew P Lunati, Chetan U Kharod, Cord W Cunningham, Jeffrey A Bailey, Zsolt T Stockinger, Andrew P Cap, Jacob Chen, James K Aden, Leopoldo C Cancio
UNLABELLED: Introduction To aid in preparation of military medic trainers for a possible new curriculum in teaching junctional tourniquet use, the investigators studied the time to control hemorrhage and blood volume lost in order to provide evidence for ease of use. Hypothesis Models of junctional tourniquet could perform differentially by blood loss, time to hemostasis, and user preference. METHODS: In a laboratory experiment, 30 users controlled simulated hemorrhage from a manikin (Combat Ready Clamp [CRoC] Trainer) with three iterations each of three junctional tourniquets...
August 2016: Prehospital and Disaster Medicine
John F Kragh, Michael A Dubick
Bleeding prevention and control by tourniquet use by out-of-hospital caregivers is a major breakthrough in military medicine of current wars. The present review documents developments in tourniquet practices since 2001 among the US military services for aid in improving doctrine, policy, and especially care in wars to come. Tourniquets are an adjunct for resuscitation in self-care and buddy aid and today are issued to all military servicepersons who deploy into a combat zone. In the US Army, virtually every Soldier is trained in first aid tourniquet use; since 2009 they are instructed early and often to use them early and often...
April 2016: U.S. Army Medical Department Journal
John F Kragh, Michael A Dubick, James K Aden, Anne L McKeague, Todd E Rasmussen, David G Baer, Lorne H Blackbourne
INTRODUCTION: After trauma, compartment syndrome of the extremities is a common, disabling, and-if managed suboptimally-lethal problem. Its treatment by surgical fasciotomy continues to be useful but controversial. The purpose of this survey is to measure survival and fasciotomy in a large trauma system to characterize trends and to determine if fasciotomy is associated with improved survival. METHODS: We retrospectively surveyed data from a military trauma registry for U...
May 2016: Military Medicine
Charalampos A Theodoridis, Kelly E Kafka, Alejandro M Perez, Jeremy B Curlee, Paul C J Yperman, Nico Oppermann, Eirik Holmstroem, Derek D Niegsch, Antonio Mannino, Nicola Ramundo
BACKGROUND: Previous research has shown that external hemorrhage from proximal leg amputations and junctional sites represents 19.2% of potentially survivable lethal hemorrhage. A recent effort to address this problem has resulted in the development of various junctional tourniquets. This study assessed and compared two Tactical Combat Casualty Care Committee-approved junctional tourniquets, the Combat Ready Clamp (CRoC) and the Junctional Emergency Treatment Tool (JETT), to contribute to their future development and to better inform on the decisions for device selection by military units...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
Jacob Chen, Avi Benov, Roy Nadler, Geva Landau, Alex Sorkin, James K Aden, John F Kragh, Elon Glassberg
BACKGROUND: Junctional hemorrhage is a common cause of battlefield death but little is known about testing of junctional tourniquet models by medics. The purpose of the testing described herein is to assess military experience in junctional tourniquet use in simulated prehospital care. METHODS: Fourteen medics were to use the following four junctional tourniquets: Combat Ready Clamp (CRoC), Abdominal Aortic Junctional Tourniquet (AAJT), Junctional Emergency Treatment Tool (JETT), and SAM Junctional Tourniquet (SJT)...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
Rudy Gibson, Greggory J Housler, Stephen C Rush, James K Aden, John F Kragh, Michael A Dubick
BACKGROUND: Emergency tourniquet use has been associated with hemorrhage control and improved survival during the wars since 2001. The purpose of the present study is to compare the differential performance of two new tactical tourniquets with the standard-issue tourniquet to provide preliminary evidence to guide decisions on device development. METHODS: A laboratory experiment was designed to test the effectiveness of tourniquets on a manikin thigh. Three models of tourniquets were assessed...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
John F Kragh, Virgil K Moore, James K Aden, Donald L Parsons, Michael A Dubick
BACKGROUND: The Combat Application Tourniquet® (C-A-T) is the standard-issue military tourniquet used in first aid in 2015, and the current model is called Generation 6. Soldiers in the field, however, have been asking for design changes in a possible Generation 7 to improve ease of use. This study compared the differential performance in use of the C-A-T in two designs: Generation 6 (C-A-T 6) versus a prototype Generation 7 (C-A-T 7). METHODS: A laboratory experiment was designed to test the performance of two tourniquet designs in hemorrhage control, ease of use, and user preference...
2016: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
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