Study, Apr/19: Psychotropic substance abuse and fitness to drive in Italy

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The full title of this Italian study is "Psychotropic substance abuse and fitness to hold a driving license in Italy".

 

https://www.ncbi.nlm.nih.gov/pubmed/31013165

 

Abstract

 

OBJECTIVE:

 

Driving under the influence (DUI) of psychotropic substances is a serious and widespread problem in road safety. All countries try to reduce the impact with legislative controls over the criteria to regain a driver's license after suspension. In many European countries there are mandatory clinical and toxicological examinations required before a license is regranted. In Italy, individuals convicted of driving under the influence of drugs and/or alcohol must undergo a mandatory medico-legal and forensic toxicological examination prior to regranting of a license. This article reports on the prevalence, trends, and implications of psychotropic substances detected in more than 5,000 subjects submitted to driving license reissuance in the period 2011-2016.

 

METHODS:

 

The study involved taking a clinical history, medical examination, and toxicological analysis of both urine and hair samples.

 

RESULTS:

 

There was no change in the prevalence of psychoactive substances in the period 2011-2016. Cocaine was found most often (60%), followed by cannabinoids (15%) and opiates (9%). Methadone and amphetamine stimulants accounted for less than 5% each. Benzodiazepines were present in 15% of samples throughout the period.

 

CONCLUSION:

 

Cocaine and cannabinoids were the most used substances in the analyzed population, alone and in combination. Benzodiazepines were the most commonly detected prescription medication, raising questions about prescribed medication and driving risk that are not addressed by current legislation.