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Challenges and insights: Methamphetamine analysis in post-mortem putrefied human tissues in a hot climate
Ahmed Alasmari1, Amani Alhejaili2,3, Hassan Alharbi4
1Special Toxicological Analysis Unit, Pathology and Laboratory Medicine DPLM, King Faisal Specialist Hospital and Research Center, P.O. Box 3354, Riyadh 11211, Saudi Arabia.
Summary
Methamphetamine (meth) detection in putrefied tissues is feasible, even in hot climates. This study found no significant difference in meth concentrations between decomposed and non-decomposed samples, aiding forensic toxicology.
Area of Science:
- Forensic Toxicology
- Analytical Chemistry
- Postmortem Investigations
Background:
- Methamphetamine (meth) production and fatalities are a growing global concern, particularly in Saudi Arabia.
- Hot climates complicate postmortem analysis due to putrefaction.
- Accurate toxicology screening is crucial for determining cause of death.
Purpose of the Study:
- To investigate methamphetamine and metabolite concentrations in postmortem human tissues in a hot climate.
- To compare concentrations in putrefied versus non-putrefied samples.
- To aid criminal investigations by analyzing meth levels.
Main Methods:
- Retrospective cohort study of postmortem samples (2016-2022).
- LC-MS/MS analysis of methamphetamine and amphetamine.
- Data collected on demographics, medical history, and putrefaction signs.
Main Results:
- 8 out of 27 samples (30%) showed signs of putrefaction.
- Detectable concentrations of meth and amphetamine were found despite decomposition.
- Concentrations were sufficient to determine cause of death and drug source.
Conclusions:
- No significant difference in meth concentrations between putrefied and non-putrefied cases.
- Multiple sample testing during autopsy is vital for accurate interpretation.
- Each case requires individual consideration for reliable forensic conclusions.
