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Cannabis findings in drivers suspected of driving under the influence of drugs in Finland from 2006 to 2008.
Forensic Sci Int. 2012 Apr 10; 217(1-3):107-12.FS

Abstract

The authors examined driving under the influence of drugs (DUID) cases which were found to be positive in whole blood for cannabis in Finland from 2006 to 2008. Factors studied were the number of cases positive for any combination of Δ(9)-tetrahydrocannabinol (THC) and the metabolites 11-hydroxy-Δ(9)-tetrahydrocannabinol (THC-OH) and 11-nor-9-carboxy-Δ(9)-tetrahydrocannabinol (THC-COOH). Concurrent use of amphetamines, benzodiazepines and/or alcohol was also recorded, as well as the drivers' age and gender. Altogether 2957 cannabis positive cases were retrieved from the database of the Alcohol and Drug Analytics Unit, National Institute for Health and Welfare. Drug findings were examined in relation to the zero-tolerance policy operated towards DUID in Finland. The number of cannabis positive cases in each year was approximately 1000 and the main demographic of cases was males aged 20-30 years. In the majority of cases (51.6%) the inactive metabolite THC-COOH was the only indication of cannabis use, however, associated use of amphetamines (58.8% of all cases) and/or benzodiazepines (63.9%) in cannabis positive drivers was very common. Detections for amphetamines and/or benzodiazepines were especially common in drivers with THC-COOH only (92.8% of these cases). Combined use of alcohol (25.7%) was also prevalent. Suspect DUID cases generally arise from suspicion on behalf of the police and the zero-tolerance policy offers an expedient means to deal with the challenges presented in DUID, particularly in view of the high incidence of multiple drug use - the legislation is not unduly punitive when enforced in this manner.

Authors+Show Affiliations

Alcohol and Drug Analytics Unit, National Institute for Health and Welfare, P.O. Box 30, FI-00271 Helsinki, Finland. thomas.blencowe@thl.fiNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

22024655

Citation

Blencowe, Tom, et al. "Cannabis Findings in Drivers Suspected of Driving Under the Influence of Drugs in Finland From 2006 to 2008." Forensic Science International, vol. 217, no. 1-3, 2012, pp. 107-12.
Blencowe T, Pehrsson A, Mykkänen S, et al. Cannabis findings in drivers suspected of driving under the influence of drugs in Finland from 2006 to 2008. Forensic Sci Int. 2012;217(1-3):107-12.
Blencowe, T., Pehrsson, A., Mykkänen, S., Gunnar, T., & Lillsunde, P. (2012). Cannabis findings in drivers suspected of driving under the influence of drugs in Finland from 2006 to 2008. Forensic Science International, 217(1-3), 107-12. https://doi.org/10.1016/j.forsciint.2011.10.031
Blencowe T, et al. Cannabis Findings in Drivers Suspected of Driving Under the Influence of Drugs in Finland From 2006 to 2008. Forensic Sci Int. 2012 Apr 10;217(1-3):107-12. PubMed PMID: 22024655.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Cannabis findings in drivers suspected of driving under the influence of drugs in Finland from 2006 to 2008. AU - Blencowe,Tom, AU - Pehrsson,Anna, AU - Mykkänen,Sirpa, AU - Gunnar,Teemu, AU - Lillsunde,Pirjo, Y1 - 2011/10/22/ PY - 2011/05/18/received PY - 2011/10/03/revised PY - 2011/10/04/accepted PY - 2011/10/26/entrez PY - 2011/10/26/pubmed PY - 2012/7/21/medline SP - 107 EP - 12 JF - Forensic science international JO - Forensic Sci Int VL - 217 IS - 1-3 N2 - The authors examined driving under the influence of drugs (DUID) cases which were found to be positive in whole blood for cannabis in Finland from 2006 to 2008. Factors studied were the number of cases positive for any combination of Δ(9)-tetrahydrocannabinol (THC) and the metabolites 11-hydroxy-Δ(9)-tetrahydrocannabinol (THC-OH) and 11-nor-9-carboxy-Δ(9)-tetrahydrocannabinol (THC-COOH). Concurrent use of amphetamines, benzodiazepines and/or alcohol was also recorded, as well as the drivers' age and gender. Altogether 2957 cannabis positive cases were retrieved from the database of the Alcohol and Drug Analytics Unit, National Institute for Health and Welfare. Drug findings were examined in relation to the zero-tolerance policy operated towards DUID in Finland. The number of cannabis positive cases in each year was approximately 1000 and the main demographic of cases was males aged 20-30 years. In the majority of cases (51.6%) the inactive metabolite THC-COOH was the only indication of cannabis use, however, associated use of amphetamines (58.8% of all cases) and/or benzodiazepines (63.9%) in cannabis positive drivers was very common. Detections for amphetamines and/or benzodiazepines were especially common in drivers with THC-COOH only (92.8% of these cases). Combined use of alcohol (25.7%) was also prevalent. Suspect DUID cases generally arise from suspicion on behalf of the police and the zero-tolerance policy offers an expedient means to deal with the challenges presented in DUID, particularly in view of the high incidence of multiple drug use - the legislation is not unduly punitive when enforced in this manner. SN - 1872-6283 UR - https://www.unboundmedicine.com/medline/citation/22024655/Cannabis_findings_in_drivers_suspected_of_driving_under_the_influence_of_drugs_in_Finland_from_2006_to_2008_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0379-0738(11)00507-X DB - PRIME DP - Unbound Medicine ER -