J Trauma
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This study evaluated the progress in the treatment and prevention of hypothermia in combat wounded since the October 2, 2006 Joint Theater Trauma System Clinical Practice Guideline (CPG) publication and evaluated the frequency of use and effectiveness of the methods described in the CPG. ⋯ (1) The incidence of hypothermia decreased after the issuance of the JTTS CPG. (2) The standard Army wool blanket is the most commonly used thermoregulatory method during transport in theater. (3) This study did not find a significant difference in the capability of maintaining temperatures between the different thermoregulatory methods used in theater during either prehospital or interfacility transport, or in the incidence of hypothermia between patients presenting from the site of injury or from interfacility transport. (4) Data collected before a Level III facility is not consistently entered into the Joint Theater Trauma Registry.
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Comparative Study
Preventing hypothermia: comparison of current devices used by the US Army in an in vitro warmed fluid model.
The purpose of this study was to develop an in vitro torso model constructed with fluid bags and to determine whether this model could be used to differentiate between the heat prevention performance of devices with active chemical or radiant forced-air heating systems compared with passive heat loss prevention devices. ⋯ Our in vitro fluid bag "torso" model seemed sensitive to detect heat loss in the evaluation of several active or passive warming devices. All active and most passive devices were better than wool blankets. Under conditions near room temperature, passive warming methods (Blizzard blanket or the Hot Pocket) were as effective as active warming devices other than the original HPMK. Further studies are necessary to determine how these data can translate to field conditions in preventing heat loss in combat casualties.
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Comparative Study
Combat urologic trauma in US military overseas contingency operations.
This article reports on the occurrences and patterns of genitourinary (GU) trauma in the contemporary high-intensity conflict of the overseas contingency operations (OCOs). ⋯ This is the largest report of GU injuries during any military conflict. The distribution and percentage of casualties with GU injuries in the OCO are similar to those of previous conflicts. Consideration should be given to personnel protective equipment for the areas associated with GU injuries and predeployment training directed at the care of these injuries.
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Comparative Study
High transfusion ratios are not associated with increased complication rates in patients with severe extremity injuries.
High transfusion ratios of plasma to packed red blood cells (>1:2) have been associated with increased survival and increased complications in patients receiving massive transfusion (MT). We hypothesized that high ratio transfusion would be associated with no survival benefit and increased complications in combat victims with compressible hemorrhage. ⋯ Extremity injured patients receiving MT may benefit from high transfusion ratios and do not experience increased complications. No change in mortality or complications was observed in non-MT patients across transfusions ratios. High transfusion ratios are not associated with increased complications in patients with isolated extremity injury regardless of whether a MT is required.
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Comparative Study
Popliteal artery repair in massively transfused military trauma casualties: a pursuit to save life and limb.
Popliteal artery war wounds can bleed severely and historically have high rates of amputation associated with ligation (72%) and repair (32%). More than before, casualties are now surviving the initial medical evacuation and presenting with severely injured limbs that prompt immediate limb salvage decisions in the midst of life-saving maneuvers. A modern analysis of current results may show important changes because previous limb salvage strategies were limited by the resuscitation and surgical techniques of their eras. Because exact comparisons between wars are difficult, the objective of this study was to calculate a worst-case (a pulseless, fractured limb with massive hemorrhage from popliteal artery injury) amputation-free survival rate for the most severely wounded soldiers undergoing immediate reconstruction to save both life and limb. ⋯ This study, a worst-case study, showed comparable results to historical controls regarding limb salvage rates (71% for Iraq vs. 56-69% for the Vietnam War). Thirty-day survival (98%), 4-year amputation-free survival (67%), and complication-free rates (35%) fill knowledge gaps. Guidelines for managing popliteal artery injuries show promising results because current resuscitation practices and surgical care yielded similar amputation rates to prior conflicts despite more severe injuries. Significant transfusion requirements and injury severity may not indicate a life-over-limb strategy for popliteal arterial repairs. Future studies of limb salvage failures may help improve casualty care by reducing the complications that directly impact amputation-free survival.