回到未来:逆行酒精计算是一个不确定的科学
Lili Saskőy1, Luke Taylor1, Brian Rooney1
1Faculty of Health, Science, Social Care and Education, Kingston University, Kingston Upon Thames, London KT1 2EE, UK.
Science & justice : journal of the Forensic Science Society
|September 14, 2024
概括
法医毒理学家可以通过扩大排泄率范围和将吸收后期延长到2小时来改善血液中酒精度的逆向计算. 这些变化提高了准确性,并符合证据的法律标准.
科学领域:
- 法医毒理学 法医毒理学
- 分析化学 分析化学
背景情况:
- 逆向提取 (逆向计算) 在法医毒理学中对于估计过去的血液酒精度至关重要.
- 英国和爱尔兰法医毒理学家协会 (UKIAFT) 和法医科学科学科学委员会组织 (OSAC) 目前的英国指导方针缺乏充分的协议,并对解释开放.
- 自从Widmark的初步研究以来,酒精消除率一直受到争议.
研究的目的:
- 建议修订英国法医毒理学逆行推断指南.
- 提高血液中酒精度估计的可靠性和法律可辩护性.
- 将英国的做法与更高的证明标准保持一致,例如"超出合理怀疑".
主要方法:
- 审查现有的UKIAFT和OSAC指导方针,以追溯计算.
- 对酒精清除率和置信区间的分析.
- 英国实践与国际标准的比较 (德国,美国).
主要成果:
- 目前的UKIAFT指南使用了排泄率 (9-29 mg/100 mL/小时) 的95%置信限.
- 法律裁决需要"超出合理怀疑"的证据,以追溯计算为基础的定罪.
- 建议的更广泛的消除范围 (8-29 mg/100 mL/小时) 和2小时的吸收后期更符合法律标准.
结论:
- 将消除速率范围提高到8-29 mg/100 mL/小时,为法律诉讼提供了更好的事实依据.
- 按照德国和美国的做法,实施2小时的吸收后期加强了"超出合理怀疑"标准.
- 这些拟议的变化旨在减少英国毒理学家进行的逆行计算中的不确定性.
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