Usumoto Yosuke, Sameshima Naomi, Hikiji Wakako, Tsuji Akiko, Kudo Keiko, Inoue Hiromasa, Ikeda Noriaki
Department of Forensic Pathology and Sciences, Graduate School of Medical Sciences, Kyushu University, 3-1-1, Maidashi, Higashi-ku, Fukuoka 812-8582, Japan.
J Forensic Leg Med. 2009 Aug;16(6):321-4. doi: 10.1016/j.jflm.2008.12.028. Epub 2009 Jan 31.
It is important for forensic pathologists to determine the diagnosis of drowning as well as the site of drowning. In a previous study, we propose that analysis of electrolytes in pleural effusion from rats may be useful for determining whether drowning has occurred in seawater or freshwater. To test this proposal, we measured the concentration of sodium, potassium and chloride ions and total protein in pleural effusion from 40 autopsy cases: 24 involving seawater drowning, 9 freshwater drowning and 7 no drowning. The concentrations of sodium and chloride ions in pleural effusion showed a significant difference between seawater drowning and freshwater drowning. The concentration of potassium ions and total protein showed no difference between each group, although they increased in proportion to the postmortem interval in cases of both seawater and freshwater drowning. These results are almost same as our previous study and, thus, the quantitative analysis of electrolytes in pleural effusion may be useful for determining whether drowning has occurred in seawater or freshwater.
对于法医病理学家来说，确定溺水诊断以及溺水地点很重要。在之前的一项研究中，我们提出分析大鼠胸腔积液中的电解质可能有助于确定溺水发生在海水还是淡水中。为了验证这一提议，我们测量了40例尸检病例胸腔积液中钠、钾、氯离子和总蛋白的浓度：24例海水溺水、9例淡水溺水和7例未溺水。胸腔积液中钠和氯离子的浓度在海水溺水和淡水溺水之间存在显著差异。钾离子浓度和总蛋白在各组之间没有差异，尽管在海水和淡水溺水病例中它们都随死后间隔时间成比例增加。这些结果与我们之前的研究几乎相同，因此，胸腔积液中电解质的定量分析可能有助于确定溺水发生在海水还是淡水中。
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