Underlying Substance Abuse Problems in Drunk Drivers

Objectives: The aim of this study was to investigate polydrug use in drunk drivers.Methods: The experimental study was conducted on 2,072 drunk drivers undergoing a driving license reissue protocol at the Department of Legal Medicine of Padova University Hospital in the period between January 2011 and December 2012. The study protocol involved anamnesis, clinical examination, toxicological history, and toxicological analyses on multiple biological samples.Results: One thousand eight hundred seventy-seven subjects (90.6%) were assessed as fit to drive, and 195 (9.5%) were declared unfit. Among those unfit, 32 subjects (1.6%) were declared unfit due to recent use of an illicit drug (time span < 6 months), 23 (1.1%) spontaneously interrupted the protocol before its end, and 140 (6.8%) completed the assessment. Ineligibility to drive after completeness of the protocol was established in 1.2% of cases for alcohol disorders and in 5.7% of cases for illicit drug abuse; only one subject was included in both subgr...