J Trauma
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Restrictions on the operative domain of general surgeons threaten the viability of trauma surgery as a career choice. Our study hypothesis is that an experienced trauma surgeon can provide definitive care for life-threatening thoracic trauma. This analysis is based on clinical outcomes at an ACS-verified level I center in which there are more than 3000 trauma admissions managed annually under the direction of four academic trauma surgeons. ⋯ Sixteen of our 18 patients lived and none developed paraplegia. In summary, excluding patients who arrived dead, survival for penetrating cardiac wounds was 94% and for blunt thoracic aortic tears 89%. In conclusion, these data support our contention that trauma surgeons can render definitive care for thoracic injuries with survival rates comparable to those reported by cardiothoracic surgeons.
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The change in tissue PO2 in response to an increased inspired O2 challenge may be related to the state of cellular oxygenation, and hence the adequacy of resuscitation. To test this hypothesis, we measured tissue PO2 during inspired O2 challenges in 29 injured patients during acute resuscitation or intensive care unit monitoring. The O2 challenge test had 100% sensitivity and specificity in detecting flow-dependent O2 consumption in invasively monitored patients in the intensive care unit. ⋯ Four patients (27% of acute resuscitations), however, had repeatedly negative findings, possibly indicating persistent inadequate cellular oxygenation despite fluid resuscitation. Other commonly measured variables did not differentiate these patients. Monitoring of tissue PO2 during an inspired O2 challenge may be a useful test for determining the adequacy of resuscitation from hypovolemic shock.