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心肌及传导组织内3种蛋白的变化与SMDS的相关性 总被引:2,自引:0,他引:2
目的 观察心肌及传导组织内肌动蛋白、血浆白蛋白及纤维连接蛋白的染色变化,探讨青壮年猝死综合征(SMDS)死后诊断的新方法。方法 应用免疫组化S-P法,对SMDS及冠心病猝死者心肌及传导系统内肌动蛋白、血浆白蛋白和纤维连接蛋白的进行染色观察。结果 22例SMDS例猝死者心肌及传导系统内的肌动蛋白缺染17例;血浆白蛋白染色阳性18例;纤维连接蛋白染色阳性15例。并发现在SMDS中,8例有CCS严重病变。结论 心肌及传导系统内血浆蛋白、肌动蛋白改变与SMDS密切相关,部分SMDS病例死前存在早期心肌缺血或梗死的改变。 相似文献
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Yijiu Chen 《法庭科学研究(英文)》2021,6(1):1-12
Forensic biomechanics gradually has become a significant component of forensic science. Forensic biomechanics is evidence-based science that applies biomechanical principles and methods to forensic practice, which has constituted one of the most potential research areas. In this review, we introduce how finite element techniques can be used to simulate forensic cases, how injury criteria and injury scales can be used to describe injury severity, and how tests of postmortem human subjects and dummy can be used to provide essential validation data. This review also describes research progress and new applications of forensic biomechanics in China.
Key points
- The review shows the main research progress and new applications of forensic biomechanics in China.
- The review introduces eight cases about the application of forensic biomechanics, including the multiple rigid body reconstruction, the finite element applications, study of mechanical properties, traffic crash reconstruction based on multiple techniques and analysis of morphomechanical mechanism about blood dispersal.
- Though forensic biomechanics has a great advantage for the evaluation of injury mechanisms, it still has some uncertainties owing to the uniqueness of the human anatomy, the complexity of biological materials, and the uncertainty of injury-causing circumstances.