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Forensic Sci Int. 2010 Oct 10;202(1-3):e23-7. doi: 10.1016/j.forsciint.2010.04.047. Epub 2010 May 26.

Suicide by hanging under the influence of ketamine and ethanol.

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Faculty of Medicine, University of Porto, Porto, Portugal.


Psychiatric deviations resulting from alcohol and illegal drug abuse may be considered a major risk factor for suicidal behavior. This report describes a suicide by hanging, under the influence of ketamine and alcohol. The victim was a 29-year-old man, found dead hanging by the neck from a metallic beam in the ceiling of his workplace. Besides characteristic signs of hanging seen at the autopsy, toxicological analysis revealed a femoral blood concentration of ketamine and ethanol of 1.3mg/L and 0.66g/L, respectively. Positive qualitative results for ketamine were also detected, in a powder found near the victim and on the victim's nostrils, which suggests nasal inhaling as administration route. The hallucinogenic effects caused by ketamine, associated with an increased sensitivity of N-methyl-d-aspartate (NMDA) receptors to ketamine as result of the previous history of alcoholism should be considered as potential inducing factors in suicide behaviors.

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