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Criteria to determine likelihood of brain injury during explosive events

机译:确定爆炸事件中脑部受伤可能性的标准

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The occurrence of blast-induced brain injury in individuals serving in Iraq and Afghanistan is dramatically higher than in past conflicts. This has been attributed in part to the prevalence of roadside improvised explosive devices, or IEDs. There is a call from the military medical community to reduce the reliance on victim self-reporting as the primary diagnosis technique to determine the likelihood of brain injury after a blast. This study demonstrates the ability to establish criteria which correlates easily measured parameters to the probability of cerebral contusion and, thus, brain injury. Computational fluid dynamics (CFD) is used to establish the environment from a full range of threats. This is combined with bond graph modeling of varying levels of fidelity to estimate the dynamics of the skull and brain. Results clearly show that a boundary exists in the threat parameter space that determines whether brain injury is probable.
机译:在伊拉克和阿富汗服役的个人中,爆炸性脑损伤的发生率大大高于过去的冲突。这部分归因于路边简易爆炸装置或简易爆炸装置的普及。军事医学界呼吁减少对受害者自我报告的依赖,这是确定爆炸后脑部受伤可能性的主要诊断技术。这项研究证明了建立标准的能力,该标准将易于测量的参数与脑挫伤的可能性以及因此而导致的脑损伤相关联。计算流体动力学(CFD)用于从各种威胁中建立环境。这与不同保真度的键图建模结合在一起,以估计头骨和大脑的动态。结果清楚地表明,威胁参数空间中存在一个边界,该边界确定是否可能发生脑损伤。

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