AACN clinical issues
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AACN clinical issues · Feb 1999
ReviewRight heart volumetric monitoring: measuring preload in the critically injured patient.
Accurate assessment of preload status is a major concern in the resuscitation of the critically injured patient. Of the three physiologic determinants of stroke volume, preload is the variable that is most frequently influenced by an insult or intervention or both in the trauma patient. ⋯ Until recently, efforts to measure and optimize ventricular preload have focused on intracardiac filling pressures (central venous pressure and pulmonary artery occlusion pressure). The purpose of this review is to discuss the application of volumetric measurements that provide a more accurate means of determining recruitable ventricular preload in the critically injured patient.
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AACN clinical issues · Feb 1999
ReviewThe trauma triad of death: hypothermia, acidosis, and coagulopathy.
With the organization of trauma systems, the development of trauma centers, the application of standardized methods of resuscitation, and improvements in modern blood banking techniques, the ability to aggressively resuscitate patients in extremis has evolved. The concept of the "golden hour" has translated into unprecedented speed and efficiency of trauma resuscitation with the ultimate goal of short injury-to-incision times. ⋯ Critical care nurses must understand this triad, because it forms the basis and underlying logic on which the damage control philosophy has been built. This article explores the pathogenesis and treatment of acidosis, hypothermia, and coagulopathy as it applies to the exsanguinating trauma patient.
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AACN clinical issues · Feb 1999
ReviewLimited volume resuscitation in penetrating thoracoabdominal trauma.
Trauma is the leading cause of death in young adults. Development of trauma centers in urban settings including emergency medical services has contributed greatly to the improved quality of trauma patient care. ⋯ This notion has been supported by findings in a recent prospective, randomized study involving patients with penetrating injuries to the torso. This article discusses briefly the pathophysiology of shock and hemostasis and the current literature on fluid resuscitation, with emphasis on limited volume resuscitation in patients with penetrating thoracoabdominal injuries.
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AACN clinical issues · Feb 1999
Review Case ReportsResuscitation of the multitrauma patient with head injury.
Head injury remains the leading cause of death from trauma. The definitive method for eliminating preventable death from traumatic brain injury remains elusive. New research underscores the danger of inadequate or inappropriate support of oxygenation, ventilation, and perfusion to cerebral tissues. ⋯ A search for optimal treatments based on prospective randomized trials will continue. Development of neuroprotective drugs and use of hypertonic saline may be on the horizon. In an effort to ensure optimal outcome, contemporary trauma nursing must embrace new concepts, shed outmoded therapy, and ensure compliance with the basic tenets of critical care for the multitrauma patient with head injury.
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Shock is defined as inadequate perfusion of tissues with oxygen and nutrients to support cellular function. Resuscitation from shock can therefore only be complete when all evidence of oxygen debt, anaerobic metabolism, and tissue acidosis has been eliminated. All of the diagnostic and therapeutic maneuvers performed by trauma nurses today, whether basic or advanced, whether performed in the field, emergency department, operating room, or intensive care unit, can be traced directly or indirectly to this goal. ⋯ Resuscitation endpoints (i.e., variables or parameters) must be viewed across the continuum of shock because the effectiveness of endpoints varies with the phase of resuscitation. The optimal resuscitation endpoint in trauma is controversial, remains elusive, and is one of the most published topics in modern medical literature. This article presents the current understanding of the resuscitation endpoints in trauma.