J Trauma
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Excessive synthesis of proinflammatory cytokines [tumor necrosis factor (TNF)-alpha and interleukin (IL)-1 beta] after trauma has been correlated with poor outcome. Recently, naturally occurring inhibitors of TNF-alpha and IL-1 beta have been characterized such as soluble TNF receptors (sTNFRs) and IL-1 receptor antagonist (IL-1ra). The present study was undertaken to determine whether injury results in a rise of circulating sTNFRs and IL-1ra. ⋯ Patients who died from injury demonstrated increased (p < 0.05) sTNFR p55 and IL-1ra plasma levels, compared with survivors. Thus, anti-inflammatory mechanisms are activated after trauma dependent on severity of injury. Because increased plasma levels of anti-inflammatory reacting proteins portended poorly for patient survival, these mediators may contribute to prediction of outcome after severe injury.
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Embolization of metallic missiles into the cerebral circulation is a rare occurrence. Most of the cases reported were due to gunshot wounds and shotgun wounds to the neck and face. Embolization from injuries sustained to the chest are extremely rare. We report a case of delayed pellet embolization to the middle cerebral artery resulting from a shotgun injury to the left chest.
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Randomized Controlled Trial Clinical Trial
Primary repair of colon injuries: a prospective randomized study.
Due to the results of a 6-year experience with civilian penetrating colon injuries at Mount Carmel/Grace Hospital, in Detroit, Michigan, which had favored primary repair of colon injuries, a prospective randomized study was performed. Seventy-one patients with penetrating colon injuries were entered in a prospective randomized study. Forty-three patients were treated with primary repair or resection and anastomosis, and 28 patients were treated with diversion. ⋯ An analysis was also made within the primary repair group comparing the subgroups of primary repair with, and without, resection of colon. It appears that the primary repair with resection of colon may have fewer complications; however, this conclusion is based on a statistically insufficient sample size. The authors contend that primary repair or resection with anastomosis is the method of choice for treatment of all penetrating colon injuries in the civilian population despite any associated risk factors for adverse outcomes.
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A patient with head injury presented with computed tomography findings of a diffuse severe infarction of the left cerebral hemisphere in which the cerebral hemodynamics can be evaluated by transcranial Doppler sonography. Serial angiograms revealed a carotid-cavernous fistula, with a complete steal phenomenon. The unusual complication of a traumatic carotidcavernous fistula is discussed.
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To document the incidence of barotrauma, pneumonia, and respiratory death associated with a mechanical ventilation protocol based on permissive hypercapnia in pediatric burn patients. ⋯ A conventional ventilation protocol based on permissive hypercapnia is associated with acceptable rates of barotrauma and pneumonia. The low incidence of respiratory death associated with this strategy suggests that it also minimizes ventilator-induced lung injury.