Articles: brain-injuries.
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Journal of neurotrauma · Sep 2000
Randomized Controlled Trial Comparative Study Clinical TrialCHOP Infant Coma Scale ("Infant Face Scale"): a novel coma scale for children less than two years of age.
The Glasgow Coma Scale (GCS) is the most frequently used tool worldwide for assessing the severity of neurologic injury after brain trauma, although applying this scale to infants and younger children can be problematic. The CHOP Infant Coma Scale, or Infant Face Scale (IFS), is a novel scale for children under 2 years of age which differs from other pediatric coma scales in the following ways: (1) it relies on objective behavioral observations; (2) it assesses cortical as well as brainstem function; (3) it parallels the GCS in scoring but is based on infant-appropriate behaviors; and (4) it can be applied to intubated patients. We report the results of a prospective study designed to compare interrater reliability between the IFS and GCS in children less than 2 years of age. ⋯ When applied to infants in an intensive care unit with acute traumatic brain injury or hypoxia/ischemia, the GCS interrater reliability scores were in the "fair" range, while the IFS scores were in the "almost perfect" range. The IFS demonstrates improved interrater reliability in direct comparison to the GCS, particularly in the "verbal/face" component where most pediatric coma scales are deficient. The IFS may prove to be a simple and practical bedside index of brain injury severity in children less than two years of age.
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Many investigators attribute the postconcussion syndrome following mild closed head injury to permanent brain damage. The evidence supporting this conclusion is reviewed, including the force necessary to cause permanent brain damage; the basis for determining whether the patient was exposed to sufficient force in the accident to permanently damage the brain; the basis for determining whether the patient actually has permanent brain damage (not just brain dysfunction) traceable to the accident; and whether the location and severity of brain damage is sufficient to account for the postconcussion syndrome. ⋯ the evidence for permanent traumatic brain damage as the cause of the postconcussion syndrome following mild closed head injury is weak.
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There is no question that substantial progress has been made over the last 30 years, since the pioneering multinational studies of Jennett and colleagues, in our understanding of the mechanisms involved in the production, progression, and amelioration of brain damage. The introduction of computed tomography and simple but elegant classifications of the severity of injury (e.g., the Glasgow Coma Scale and the Glasgow Outcome Scale) were seminal milestones in neurotraumatology. ⋯ Better attention to easily delineated abnormalities, such as shock, hypoxia, and hypercarbia, and the early evacuation of mass lesions coupled with the concurrent development of modern principles of critical care account for substantial reductions in mortality and a reduction in the number of vegetative, contracted, spastic survivors. Future improvement in the care of patients with head injuries will increasingly be dependent on advances in molecular neurobiology and psychology, our ability to successfully modulate genetic expression, and progress in the treatment of related illnesses, such as stroke, subarachnoid hemorrhage, depression, and Alzheimer's disease.
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A comprehensive review is presented on current international trends regarding research and management of severe acute brain trauma. Controversial issues are thoroughly discussed and an attempt is made to clarify questionable aspects from pertinent publications in the international literature. A proposition is made to manage not only intracranial pressure and perfusion pressure, but also cerebral hemometabolic parameters in these critically ill patients. Currently available management guidelines are not evidence-based.
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Long-term outcome is important in managing traumatic brain injury (TBI), an epidemic in the United States. Many injury severity variables have been shown to predict major morbidity and mortality. Less is known about their relationship with specific long-term outcomes. ⋯ Injury severity variables are significant single outcome predictors and, in combination with premorbid and demographic variables, help predict long-term disability and community integration for individuals hospitalized with TBI.