J Trauma
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Comparative Study
Development and resuscitation of a sedated, mature male miniature swine severe hemorrhage model.
A sedated, mature male miniature swine hemorrhage model has been specifically developed to evaluate resuscitation products for the Defense Advanced Research Projects Agency Surviving Blood Loss program. ⋯ A sedated, sexually mature male miniature swine severe hemorrhage model has been successfully developed, resuscitated with Hextend and used to evaluate E2 as a small volume resuscitation product.
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Comparative Study
Modified technique of percutaneous posterior columnar screw insertion and neutralization plate for complex acetabular fractures.
To overcome the complexity of acetabular fractures, several techniques, such as extensive surgical exposure, transtrochanteric osteotomy, and columnar screw fixation, were reported. However, all these techniques have their disadvantages and limitations. We report the surgical results of a modified technique with posterior columnar screw insertion and neutralization plate in a single Kocher-Langenbeck approach for complex acetabular fractures. ⋯ This study provided a modified surgical technique of percutaneous insertion of posterior columnar screw that appeared to be safe and reliably hold the column in place for healing.
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Traumatic brain injury (TBI) is believed to cause more profound trauma-induced coagulopathy than other injuries of comparable severity. This has not been reported in a large series of combat casualties in which penetrating injuries predominate. ⋯ Patients with severe combat-related trauma and isolated TBI had worse coagulopathy than non-TBI patients. Base deficit, Glasgow Coma Scale, and severity of head injury, as reflected by head AIS, are independently associated with increased coagulopathy as measured by INR.
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With the aim of improving the understanding of iliosacral screw placement, two hypotheses were tested: (1) standard intraoperative inlet and outlet images are not based on orthogonal coordinates, and (2) therefore making starting point and aim changes by moving perpendicular to the c-arm beam will displace the guide wire on the other intraoperative radiographic view. ⋯ We commonly work in orthogonal systems. Within these systems, it is possible to make a uniplanar correction by moving perpendicular to one plane or radiographic view. The ideal views to image the safe zone for iliosacral screw placement do not create an orthogonal system. When this average angle arc is placed on a graphic model of the pelvis, it becomes clear that the plane of the radiographic beam of the ideal inlet view is collinear with the anterior aspect of the upper two sacral bodies. The outlet view is oblique to the upper sacral bodies. Surgeons must keep this in mind when using fluoroscopic views to insert iliosacral screws.
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Studies have shown decreased mortality after improvements in combat casualty care, including increased fresh frozen plasma (FFP):red blood cell (RBC) ratios. The objective was to evaluate the evolution and impact of improved combat casualty care at different time periods of combat operations. ⋯ The combination of improved prehospital care, trauma systems approach, performance improvement projects, and improved transfusion or resuscitation practices have led to a 50% decrease in mortality for this critically injured population. We are now transfusing blood products in a ratio more consistent with 1 FFP to 1 RBC. Simultaneously, crystalloid use has decreased by 61%, all of which is consistent with hemostatic resuscitation principles.