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首页> 美国卫生研究院文献>Annals of Advances in Automotive Medicine / Annual Scientific Conference >Demographics Velocity Distributions and Impact Type as Predictors of AIS 4+ Head Injuries in Motor Vehicle Crashes
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Demographics Velocity Distributions and Impact Type as Predictors of AIS 4+ Head Injuries in Motor Vehicle Crashes

机译：人口统计资料速度分布和撞击类型可作为机动车碰撞中AIS 4+头部受伤的预测因素

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摘要

The objective of the study was to determine differences between the United States-based NASS and CIREN and Australia-based ANCIS databases in occupant-, crash-, and vehicle-related parameters for AIS 4+ head injuries in motor vehicle crashes. Logistic regression analysis was performed to examine roles of the change in velocity (DV), crash type (frontal, far-side, nearside, rear impact), seatbelt use, and occupant position, gender, age, stature, and body mass in cranial traumas. Belted and unbelted non-ejected occupant (age >16 years) data from 1997–2006 were used for the NASS and CIREN datasets, and 2000–2010 for ANCIS. Vehicle model year, and occupant position and demographics including body mass index (BMI) data were obtained. Injuries were coded using AIS 1990–1998 update. Similarities were apparent across all databases: mean demographics were close to the mid-size anthropometry, mean BMI was in the normal to overweight range, and representations of extreme variations were uncommon. Side impacts contributed to over one-half of the ensemble, implying susceptibility to head trauma in this mode. Odds of sustaining head injury increased by 4% per unit increase in DV (OR: 1.04, 95% CI: 1.03–1.04, p<0.001; adjusted for other variables); one-half for belted compared to unbelted occupants (OR: 0.48, 95% CI: 0.37–0.61, p<0.001); nearside, then far-side had significantly higher odds than frontal, and no difference by gender or position (front-left, front-right). Similar crash- and occupant-related outcomes from the two continents indicate a worldwide need to revise the translation acceleration-based head injury criterion to include the angular component in an appropriate format for improved injury assessment and mitigation.
机译：该研究的目的是确定美国NASS和CIREN以及澳大利亚ANCIS数据库之间在机动车碰撞中AIS 4+头部受伤的乘员，碰撞和车辆相关参数之间的差异。进行逻辑回归分析以检查速度变化（DV），碰撞类型（正面，远侧，近侧，后碰撞），安全带使用以及乘员位置，性别，年龄，身材和体重在颅内的作用创伤。 1997年至2006年的安全带和未系安全带的非出射乘员（年龄> 16岁）数据用于NASS和CIREN数据集，而2000年至2010年用于ANCIS。获得了车辆型号年份以及包括体重指数（BMI）数据在内的乘员位置和人口统计学。使用AIS 1990-1998更新对伤害进行编码。在所有数据库中，相似之处显而易见：平均人口统计学接近中等规模的人体测量学；平均BMI在正常至超重范围内；极端变化的表现并不常见。副作用占整个合奏的一半以上，这意味着在此模式下易受头部创伤的影响。 DV的增加使持续性头部受伤的几率增加了4％（OR：1.04，95％CI：1.03-1.04，p <0.001；针对其他变量进行了调整）；与没有安全带的乘员相比，有安全带的乘员占一半（OR：0.48，95％CI：0.37–0.61，p <0.001）；在近侧，则远侧的几率明显高于额侧，而且性别或位置（左前，右前）无差异。来自两大洲的类似的与碰撞和乘员相关的结果表明，全球范围内都需要修订基于平移加速度的头部受伤标准，以适当的格式包括角度分量，以改善损伤评估和缓解。

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