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Tramadol distribution in four postmortem cases

B Levine¹, V Ramcharitar, J E Smialek

¹Office of the Chief Medical Examiner, Baltimore, MD 21201, USA.

Forensic Science International

|April 18, 1997

Summary

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This study identified the analgesic tramadol and its metabolites in postmortem cases. While detected, tramadol intoxication was not the cause of death in these instances.

Area of Science:

Forensic Toxicology
Analytical Chemistry

Background:

Postmortem analysis requires reliable methods for identifying and quantifying drugs.
Tramadol is a widely used analgesic with potential for abuse and toxicity.

Observation:

Tramadol and its metabolites (N-desmethyl and O-desmethyl tramadol) were identified in four postmortem cases.
The analytical method involved HP-5 column chromatography without derivatization.
Tramadol concentrations in heart blood ranged from 0.17 to 4.4 mg/l.

Findings:

Tramadol is an alkaline, extractable drug suitable for direct chromatographic analysis.
No specific tissue sequestration site for tramadol was identified.
The reported deaths were not attributed to tramadol toxicity.

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Implications:

This method facilitates the detection of tramadol in forensic investigations.
Understanding tramadol distribution is crucial for interpreting postmortem findings.
The study highlights that tramadol presence alone does not indicate cause of death.