Articles: trauma.
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The damage control concept is an essential component in the management of severely injured patients. The principles in sequence are as follows: (1) abbreviated surgical procedures limited to haemorrhage and contamination control; (2) correction of physiological derangements; (3) definitive surgical procedures. Although originally described in the management of major abdominal injuries, the concept has been extended to include thoracic, vascular, orthopedic, and neurosurgical procedures, as well as anesthesia and resuscitative strategies.
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Prehospital trauma care developed over the last decades parallel in many countries. Most of the prehospital emergency medical systems relied on input or experiences from military medicine and were often modeled after the existing military procedures. ⋯ Establishing and securing the airway, ventilation, fluid resuscitation, and in addition, the quick transport to the best-suited trauma center represent the pillars of trauma care in the field. While ABC in trauma care has neither been challenged nor changed, new techniques, tools and procedures have been developed to make it easier for the prehospital provider to achieve these goals in the prehospital setting and thus improve the outcome of trauma patients.
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Trauma is the leading cause of death in young adults and acute blood loss contributes to a large portion of mortality in the early post-trauma period. The recognition of lethal triad of coagulopathy, hypothermia and acidosis has led to the concepts of damage control surgery and resuscitation. Recent experience with managing polytrauma victims from the Iraq and Afghanistan wars has led to a few significant changes in clinical practice. ⋯ Early treatment of coagulopathy with a high ratio of fresh frozen plasma and platelets to packed red blood cells (FFP:platelet:RBC), prevention and early correction of hypothermia and acidosis, monitoring of hemostasis using point of care tests like thromoboelastometry, use of recombinant activated factor VII, antifibrinolytic drugs like tranexamic acid are just some of the emerging trends. Further studies, especially in the civilian trauma centers, are needed to confirm the lessons learned in the military environment. Identification of patients likely to need massive transfusion followed by immediate preventive and therapeutic interventions to prevent the development of coagulopathy could help in reducing the morbidity and mortality associated with uncontrolled hemorrhage in trauma patients.
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J Emerg Trauma Shock · Jan 2011
Determinants of mortality in trauma patients following massive blood transfusion.
This study was designed to find out the factors influencing mortality in trauma patients receiving massive blood transfusion (MBT). ⋯ Overall mortality among the MBT patients was comparable with the studies in the literature. Mortality is not affected by the amount of packed red cells given in the first 12 h and the total number of packed red cells transfused. Prospective studies are required to further validate the determinants of mortality and establish guidelines for MBT.
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Ther Hypothermia Temp Manag · Jan 2011
A review of clinical trials of hypothermia treatment for severe traumatic brain injury.
Clinical trials of hypothermia treatment of traumatic brain injury can be divided into (1) trials designed to abort the biochemical cascade after injury-neuroprotection, (2) trials primarily designed to test the effect of hypothermia in reducing elevated intracranial pressure (ICP), and (3) trials with features of both neuroprotection and elevated ICP control. Three of the four clinical trials testing hypothermia induction after failure of conventional means of ICP control showed decreased mortality rate, though sample sizes were small and findings were not always statistically significant. Nine randomized trials have tested hypothermia as a neuroprotectant, inducing it from 2.5 to 15 hours after injury and continuing it for a predetermined period of time regardless of ICP. ⋯ All found improved outcome and reduced ICP. Based on these findings and the negative results of neuroprotection trials that extended hypothermia for a defined period of time, it is likely that the mechanism of protection in these combined mechanism trials was early control of ICP. This literature suggests the need for clinical trials with two distinct objectives-(1) testing hypothermia for ICP control when conventional means (sedation and paralysis, mannitol, hyperventilation, and cerebrospinal fluid drainage) fail and (2) testing early induction of hypothermia before hematoma evacuation individualizing the duration of hypothermia to the patient's ICP responses.