Journal of special operations medicine : a peer reviewed journal for SOF medical professionals
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Historical Article
Medical operations of the 6th ranger infantry battalion.
The author gives a history of the formation of the 6th Ranger Infantry Battalion and varied aspects of Ranger medical operations, including personnel composition of the medical detachment, the work of the battalion?s surgeon during combat and noncombat operations, medical aspects of operational planning, available medical supplies, medical evacuation procedures, and preventive care.
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Although the majority of potentially preventable fatalities among U. S. combat forces serving in Afghanistan and Iraq have died from hemorrhagic shock, the majority of U. S. medics carry morphine autoinjectors for prehospital battlefield analgesia. ⋯ They also reported that ketamine is presently being used as a battlefield analgesic by some medics in theater with good results. This report proposes that battlefield analgesia be achieved using one or more of three options: (1) the meloxicam and Tylenol in the TCCC Combat Pill Pack for casualties with relatively minor pain who are still able to function as effective combatants; (2) oral transmucosal fentanyl citrate (OTFC) for casualties who have moderate to severe pain, but who are not in hemorrhagic shock or respiratory distress and are not at significant risk for developing either condition; or (3) ketamine for casualties who have moderate to severe pain but who are in hemorrhagic shock or respiratory distress or are at significant risk for developing either condition. Ketamine may also be used to increase analgesic effect for casualties who have previously been given opioids (morphine or fentanyl.).
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This report reviews the recent literature on fluid resuscitation from hemorrhagic shock and considers the applicability of this evidence for use in resuscitation of combat casualties in the prehospital Tactical Combat Casualty Care (TCCC) environment. A number of changes to the TCCC Guidelines are incorporated: (1) dried plasma (DP) is added as an option when other blood components or whole blood are not available; (2) the wording is clarified to emphasize that Hextend is a less desirable option than whole blood, blood components, or DP and should be used only when these preferred options are not available; (3) the use of blood products in certain Tactical Field Care (TFC) settings where this option might be feasible (ships, mounted patrols) is discussed; (4) 1:1:1 damage control resuscitation (DCR) is preferred to 1:1 DCR when platelets are available as well as plasma and red cells; and (5) the 30-minute wait between increments of resuscitation fluid administered to achieve clinical improvement or target blood pressure (BP) has been eliminated. ⋯ Maintained as recommendations are an emphasis on hypotensive resuscitation in order to minimize (1) interference with the body's hemostatic response and (2) the risk of complications of overresuscitation. Hextend is retained as the preferred option over crystalloids when blood products are not available because of its smaller volume and the potential for long evacuations in the military setting.
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Randomized Controlled Trial
Evaluation of Contingency Telemedical Support to Improve Casualty Care at a Simulated Military Intermediate Resuscitation Facility: The EM-ANGEL Study.
We sought to determine whether Contingency Telemedical Support (CTS) improves the success rate and efficiency of primary care providers performing critical actions during simulated combat trauma resuscitation. Critical actions included advanced airway, chest decompression, extremity hemorrhage control, hypothermia prevention, antibiotics and analgesics, and hypotensive resuscitation, among others. ⋯ In this model, real-time telementoring of simulated trauma resuscitation was feasible and improved accuracy and efficiency of non?emergency-trained resuscitators. Clinical validation and replicated study of these findings for guiding remote damage control resuscitation are warranted.
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Multicenter Study Observational Study
Prehospital and en route cricothyrotomy performed in the combat setting: a prospective, multicenter, observational study.
Airway compromise is the third most common cause of potentially preventable combat death. Surgical cricothyrotomy is an infrequently performed but lifesaving airway intervention. There are limited published data on prehospital cricothyrotomy in civilian or military settings. Our aim was to prospectively describe the survival rate and complications associated with cricothyrotomy performed in the military prehospital and en route setting. ⋯ In our prospective, multicenter study evaluating cricothyrotomy in combat, procedural success was higher than previously reported. In addition, the majority of cricothyrotomies were performed by the evacuation helicopter medic rather than the prehospital combat medic. Prehospital military medics should receive training in decision making and be provided with adjuncts to facilitate this lifesaving procedure.