尸检放射学对压缩空气潜水所致致命性脑气体栓塞诊断的相关性。
Relevance of postmortem radiology to the diagnosis of fatal cerebral gas embolism from compressed air diving.
作者信息
Cole A J, Griffiths D, Lavender S, Summers P, Rich K
机构信息
Department of Radiology, the Townsville Hospital, Douglas, Queensland, Australia.
出版信息
J Clin Pathol. 2006 May;59(5):489-91. doi: 10.1136/jcp.2005.031708. Epub 2006 Feb 17.
Abstract
AIMS
To test the hypothesis that artefact caused by postmortem off-gassing is at least partly responsible for the presence of gas within the vascular system and tissues of the cadaver following death associated with compressed air diving.
METHODS
Controlled experiment sacrificing sheep after a period of simulated diving in a hyperbaric chamber and carrying out sequential postmortem computed tomography (CT) on the cadavers.
RESULTS
All the subject sheep developed significant quantities of gas in the vascular system within 24 hours, as demonstrated by CT and necropsy, while the control animals did not.
CONCLUSIONS
The presence of gas in the vascular system of human cadavers following diving associated fatalities is to be expected, and is not necessarily connected with gas embolism following pulmonary barotrauma, as has previously been claimed.
摘要
目的
验证以下假说，即死后排气所产生的假象至少部分导致了与压缩空气潜水相关死亡后尸体血管系统和组织内气体的存在。
方法
进行对照实验，将绵羊置于高压舱内进行一段时间的模拟潜水后处死，并对尸体进行连续的死后计算机断层扫描（CT）。
结果
CT和尸检显示，所有受试绵羊在24小时内血管系统中都出现了大量气体，而对照动物则未出现。
结论
潜水相关死亡后的人体尸体血管系统中出现气体是可以预料的，并不一定如先前声称的那样与肺气压伤后的气体栓塞有关。
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