创伤死亡流行病学分析

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目的:探讨我国严重创伤的伤因、伤情、救治结局及不同地区或医院间的差异。方法:分层抽样回顾前瞻设计,从6省12市县17家医院筛选院前时间≤24小时、mAIS≥3伤员10 428例,调查其伤因、伤势、院前过程和院内处理、结局等指标并评分。结果:我国主要伤因3类12种,占伤因的99.5%;创伤部位以头、四肢和多发伤为主,占75.8%;院前时间随地区而异,与伤因和部位无关,时间越短的RTS越低;手术率79
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目的:探讨重度心肌挫伤早期是否存在血栓前状态及其变化特征,为临床早期诊断和妥善处理提供理论依据。方法:应用兔分级心肌挫伤模型,对重度心肌挫伤新西兰兔伤后(或伪撞击后)240分钟内血液流变学,血浆组织型纤溶酶原激活剂(t-PA)及其抑制物(PAI)活性的动态变化和病理学改变进行了观察。结果:(1)低切变率下全血粘度以及红细胞聚集指数于伤后30分钟明显升高,伤后240分钟仍维持在高于正常水平(P<0.