Benzodiazepines The Culprit In Drug-Related Road Accidents

By chillinwill · Oct 27, 2008 ·
  1. chillinwill

    Fri, 24 Oct 2008
    Source: Cyprus Mail, The (Cyprus)
    Copyright: Cyprus Mail 2008
    Author: Jean Christou

    ACCORDING to a report by the European Monitoring Centre for Drugs and Drug Addiction ( EMCDDA ), studies are equally divided on whether cannabis or prescription drugs containing benzodiazepines are the main culprits in drug-related road accidents.

    "As the number of such studies grew, it became clear that illicit drugs were not the only psychoactive substances used by drivers: a significant number were found to have psychoactive medicines in their bloodstream, including opioid painkillers such as codeine, antidepressants and sedatives," said the report.

    In 1999, a study of drug use among drivers in different European countries concluded that overall the prevalence of drug use was probably in the range of 1-5 per cent for illegal drugs and of 5-15 per cent for legal drugs.

    The results varied from country to country.

    The main benzodiapezines identified were diazepam, alprazolam, temazepam, oxazepam and clonazepam.

    Of the eight European studies of drivers killed, four found benzodiazepines to be the most common class of drug present, compared with two in which cannabis was found to be more prevalent. Two studies found other substances, such as amphetamines in Norway and cocaine in Spain, to be the most prevalent.

    The report also covered testing on narcotest devices.

    "At the end of the period, none of those devices met the criteria," it said. Six devices registered a failure rate of greater than 25 per cent.

    Another problem found was that smokers and amphetamine users produce less saliva, and so there were difficulties in obtaining the necessary sample quantities in a reasonable time interval.

    "Thus, at the end of the study no device was considered to be reliable enough in order to be recommended for roadside screening of drivers," it concluded.

    "Without such objective devices, specialised training of traffic police to recognise the signs of drug impairment in drivers is increasing, but remains somewhat sporadic in most countries; mandatory training, which is recommended, remains rare."

    At the present time, it said, without the benefit of reliable technology, police at the roadside are not expected to distinguish which particular drug or combination of drugs may be affecting the driver.

    In Cyprus, it added, qualitative information collected by the traffic control department of the police revealed lack of awareness of the impairment and other consequences of driving under the influence of cannabis and benzodiazepines,

    "Public perceptions of the dangers of each substance do not necessarily reflect scientific evidence, and the correction of these perceptions is crucial to the success of future prevention initiatives," the report said.


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