We could demonstrate that immediate MSCT in patients with blunt major trauma leads to more accurate and faster diagnosis, and reduction of early clinical time intervals. We also observed a reduction in ventilation, ICU, and hospital days, and in organ failure rates, though this might have been partly due to small differences in case mix. The "MSCT protocol" algorithm seems to be safe and effective.
The aim of this clinical and experimental study was to determine whether systemic neuron-specific enolase (NSE) is a useful early marker of traumatic brain injury (TBI) and whether NSE is affected by ischemia/reperfusion damage of abdominal organs. Our study included patients with and without TBI (verified by computerized tomography) admitted within 6 h after trauma and male Sprague-Dawley rats with ischemia and reperfusion of the abdominal organs liver, gut, or kidney. Thirty-eight study patients included 13 with isolated TBI and 18 patients with multiple trauma and TBI. Seven patients had multiple trauma but no TBI. Fifteen rats were anaesthetized and subjected to isolated ischemia of the liver, gut, or kidney (n = 5 each) for 1 h, followed by reperfusion for 3 h. In patients, NSE increased over 2-fold versus the upper normal limit (10 microg/L) within 6 h after trauma, regardless of whether TBI had occurred or not. In rats, NSE increased over 3-fold versus laboratory controls during ischemia of the liver and kidney (both P < 0.0005), but not of the gut. NSE increased over 2-fold after onset of reperfusion of the liver and kidney (both P < 0.05), but not of the gut and increased over 3-fold after 3 h of reperfusion of the liver, gut (both P < 0.005), and kidney (P < 0.0005). Our data show that systemic NSE increases to similar degrees with and without TBI. Therefore, NSE is not a useful early marker of TBI in multiple trauma.
Intramedullary pressure increased significantly in the reamed more than in the unreamed group. Bone marrow fat intravasation depended on the rise in intramedullary pressure, and occurred less frequently in unreamed than in reamed intramedullary femoral fracture stabilization.
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