J Trauma
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Review
Prevention of infections associated with combat-related eye, maxillofacial, and neck injuries.
The percentage of combat wounds involving the eyes, maxillofacial, and neck regions reported in the literature is increasing, representing 36% of all combat-related injuries at the start of the Iraq War. Recent meta-analysis of 21st century eye, maxillofacial, and neck injuries described combat injury incidences of 8% to 20% for the face, 2% to 11% for the neck, and 0.5% to 13% for the eye and periocular structures. ⋯ Further studies of bacterial infection epidemiology and postinjury antimicrobial use in combat-related injuries to the eyes, maxillofacial, and neck region are needed to improve evidence-based medicine recommendations. This evidence-based medicine review was produced to support the Guidelines for the Prevention of Infections associated with Combat-related Injuries: 2011 Update contained in this supplement of Journal of Trauma.
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Combat-related injuries to the central nervous system (CNS) are of critical importance because of potential catastrophic outcomes. Although the overall infection rate of combat-related CNS injuries is between 5% and 10%, the development of an infectious complication is associated with a very high morbidity and mortality. This review focuses on the prevention of infections related to injuries to the brain or the spinal cord and provides evidence-based medicine recommendations from military and civilian data for the prevention of infection from combat-related CNS injuries. ⋯ Areas of focus include elimination of cerebrospinal fluid leaks, wound coverage, postinjury antimicrobial therapy, irrigation, and debridement. Given that these recommendations are not supported by randomized control trials or adequate cohort studies in a military population, further efforts are needed to determine the best treatment strategies. This evidence-based medicine review was produced to support the Guidelines for the Prevention of Infections Associated With Combat-Related Injuries: 2011 Update contained in this supplement of Journal of Trauma.
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Multicenter Study
Increased platelet:RBC ratios are associated with improved survival after massive transfusion.
Several recent military and civilian trauma studies demonstrate that improved outcomes are associated with early and increased use of plasma-based resuscitation strategies. However, outcomes associated with platelet transfusions are poorly characterized. We hypothesized that increased platelet:red blood cells (RBC) ratios would decrease hemorrhagic death and improve survival after massive transfusion (MT). ⋯ Similar to recently published military data, transfusion of platelet:RBC ratios of 1:1 was associated with improved early and late survival, decreased hemorrhagic death and a concomitant increase in multiple organ failure-related mortality. Based on this large retrospective study, increased and early use of platelets may be justified, pending the results of prospective randomized transfusion data.
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Multicenter Study
High ratios of plasma and platelets to packed red blood cells do not affect mortality in nonmassively transfused patients.
Administration of high transfusion ratios in patients not requiring massive transfusion might be harmful. We aimed to determine the effect of high ratios of fresh frozen plasma (FFP) and platelets (PLT) to packed red blood cells (PRBC) in nonmassively transfused patients. ⋯ FFP:PRBC and PLT:PRBC ratios were not associated with in-hospital mortality. Depending on the threshold analyzed, a high ratio of FFP:PRBC and PLT:PRBC transfusion was associated with fewer ICU-free days and fewer ventilator-free days, suggesting that the damage control infusion of FFP and PLT may cause increased morbidity in nonmassively transfused patients and should be rapidly terminated when it becomes clear that a massive transfusion will not be required.
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Bleeding often poses significant life-threatening situations to surgeons. After trauma, a one-third of civilian casualties and one-half of combat casualties die as a result of exsanguination. Recent advances have provided promising new hemostatic dressings that are applied directly to severely bleeding wounds in the pre-hospital period. ⋯ The mRDH trauma/surgery bandage was able to increase survival of patients after high-grade liver trauma with an associated coagulopathy. Additional clinical studies support this result.