scholarly journals PREVALENCE OF UNSOLVED DRINKING PROBLEMS FOR DUI DRIVERS REFERRED FOR MEDICAL EVALUATION IN SWITZERLAND

Author(s):  
M. De Cesare ◽  
V. Jomini ◽  
R. Selz ◽  
P. Mangin ◽  
P. Vaucher ◽  
...  

Estimate the proportion of heavy DUI offenders who do not initiate a treatment for their drinking problem before referring to an official medical expertise to recover their driver’s license. Evaluate the proportion of offenders with drinking problems who became abstinent during 6 months within two years after their offense and their characteristics.Between January 2010 and December 2012, data were collected from 1316 consecutive drivers who were referred to an expertise in a legal medicine Swiss institute to recover their driver’s license after driving under the influence of alcohol. 153 offenders were included in the analysis after excluding patients under the influence of other recreational drugs and patients unfit to drive for other medical reasons. Heavy DUI were defined as first time drunk driving offenders with blood alcohol concentration (BAC) ≥2.50 g/kg, or second-time drunk driving offenders within five years with BAC ≥1.60 g/kg in five years, or third-time drunk driving offenders within ten years with BAC ≥0.80 g/kg. 28 subjects of 153 (18%) were considered fit to drive. The rest of the drivers (125, 82%) were considered unfit to drive (drinking problem 77, dissociation alone 48). The majority of offenders (46,4 %) had driving under the influence of alcohol 2 times in the last five years with BAC ≥ 1.60 g/Kg, 65 (42.5%) had BAC ≥ 2.5 and the rest had 3 or more drunk driving offenses. The criteria used for medical and/or psychological assessment are appropriate.

1994 ◽  
Vol 34 (3) ◽  
pp. 265-270 ◽  
Author(s):  
A W Jones

This article describes a drink-driving scenario where a woman was apprehended for driving under the influence (DUI) with a blood alcohol concentration (BAC) of 256mg/dl1 The correctness of this result was vigorously challenged by a medical expert witness for the defence, who was actually a specialist in alcohol diseases. Despite reanalysis to confirm the BAC as well as a DNA profile to prove the identity of the blood specimen, the woman was acquitted of the charge of drunk driving by the lower court. However, she was subsequently found guilty in the High Court of Appeals with a unanimous decision and sentenced to four weeks imprisonment. This case report illustrates some of the problems surrounding the use of expert medical evidence by the defence to challenge the validity of the prosecution evidence based solely on a suspect's BAC. In situations such as these, an expert witness should be called by the prosecution to clarify and, if necessary, rebut medical and/or scientific opinions that might mislead the court and influence the outcome of the trial.


2005 ◽  
Vol 32 (3) ◽  
pp. 387-404 ◽  
Author(s):  
Hans Bergman ◽  
Beata Hubicka ◽  
Hans Laurell

The purpose of the study was to map alcohol problems in relation to blood alcohol concentration in a large representative sample of male and female Swedish drivers suspected of drunk driving. Twenty-one hundred suspected DUI offenders (drivers suspected of driving under the influence of alcohol) were assessed with the Alcohol Use Disorders Identification Test (AUDIT). Information from the police regarding BAC, age, gender, and place and time of the stop was also collected. More than half (58%) of the suspected DUI offenders had alcohol problems, and among these 24% had high levels of alcohol problems. Of specific interest was the observation that almost half (46%) of the suspects with a BAC below the Swedish legal limit of 0.02% had alcohol problems, a prevalence that did not increase until a BAC of 0.10%–0.15%. It can be concluded that the mere suspicion of drunk driving indicates alcohol problems.


Author(s):  
Claudio Terranova ◽  
Giovanni Forza ◽  
Elena Beccegato ◽  
Angelo Ruggeri ◽  
Guido Viel ◽  
...  

This study aimed to investigate the predictors of recidivism in first-time driving under the influence (DUI) offenders, analyzing variables derived from medico-legal and toxicological examinations. The research was structured as a comparative study for the period 2012–2019. DUI offenders with a blood alcohol concentration >0.5 were included in the study. The case group consisted of recidivist offenders, while the comparison group consisted of first-time offenders. Personal data, socioeconomics, and parameters linked to the DUI were compared between the two groups. Significance was determined by chi-square and Mann–Whitney tests. To prevent confounding effects, multivariate binary logistic regression analysis was performed. Our sample encompassed 1678 subjects (196 in the case group, 1482 in the comparison group). Gender, driving license category, education, and tobacco use resulted in significant differences between the groups. In a model including age at DUI, education, and smoking habit as independent variables, higher educational levels (high school, bachelor’s) and older age protected against recidivism, whereas smoking >20 cigarettes/day was an independent risk factor for recidivism. Recidivist offenders have specific characteristics indicating different therapeutic programs and carefulness in driving license regranting. A higher tobacco consumption in recidivists suggests that the use of this substance could influence the risk of DUI for reasons that will need to be explored.


2020 ◽  
Vol 55 (5) ◽  
pp. 564-570
Author(s):  
Cheryl J Cherpitel ◽  
Edwina Williams ◽  
Yu Ye ◽  
William C Kerr

Abstract Aims To analyze racial/ethnic disparities in risk of two alcohol-related events, alcohol-related injury and self-reported perceived driving under the influence (DUI) from hours of exposure to an elevated blood alcohol concentration (BAC). Methods Risk curves for the predicted probability of these two outcomes from the number of hours of exposure to a BAC ≥ 0.08 mg% in the past year were analyzed separately for whites, blacks and Hispanics in a merged sample of respondents from four US National Alcohol Surveys (2000–2015). Results Hours of exposure to a BAC ≥ 0.08 showed a stronger association with perceived DUI than with alcohol-related injury for all racial/ethnic groups. Greater risk was found for whites than blacks or Hispanics for outcomes at nearly all BAC exposure levels, and most marked at the highest level of exposure. Risk of both outcomes was significant for whites at all exposure levels, but small for alcohol-related injury. Little association was found for alcohol-related injury for blacks or Hispanics. For perceived DUI, risk for blacks was significantly elevated at lower levels of exposure, while risk for Hispanics was significantly elevated beginning at 30 h of exposure. Conclusions Findings showed racial/ethnic differences in risk of alcohol-related injury and perceived DUI from hours of exposure to elevated BAC. Risk increased at relatively low levels of exposure to a BAC ≥ 0.08, especially for whites, highlighting the importance of preventive efforts to reduce harmful outcomes for moderate drinkers.


Author(s):  
Corissa Rodgers ◽  
Melissa Lloyd ◽  
Peter Stout ◽  
Dayong Lee

Abstract Driving while intoxicated (DWI) or driving under the influence of drugs (DUID) poses a continued public safety risk in Texas, which has one of the highest alcohol impaired traffic fatality rates. This study aimed to identify alcohol and drug use trends seen in DWI/DUID cases in the city of Houston from 2014 to 2018 to better understand the populations at risk. Blood samples submitted to the Houston Forensic Science Center (HFSC) were evaluated for blood alcohol concentration (BAC), drug concentrations and demographics. During the 5-year period, 12,682 Houston driver blood samples had a mean (median) BAC of 0.151 g/dL (0.167 g/dL) and age of 36.3 (34) years. Fifty percent of samples were white males. Seventy-five percent of samples were individuals aged 21 to 44 years. Between 2014 and 2018, the number of cases submitted nearly doubled, from approximately 2,000 cases per year to over 3,700. In 2014, 23% of cases submitted required further analysis per HFSC testing policy (drug screen and confirmation for DWI/DUID cases when BAC < 0.100 g/dL), which rose to 27% by 2018. Of those, 36% were polydrug cases, requiring two or more confirmation tests. Cannabinoids was the most common drug class detected (34% of cases analyzed for drugs), followed by benzodiazepines (25%), phencyclidine (20%), cocaine/metabolites (15%) and opioids (12%). Phencyclidine rose from the fifth-most commonly detected drug in 2014 to the second-most drug in 2018. Only 3% of all cases (n = 408) were negative for both alcohol and drugs. Communication between law enforcement and laboratory management is recommended to address growing caseload more effectively. The study limitations (e.g., limited scope of analysis) suggest the present data underestimated the full extent of impaired driving in Houston, indicating even more urgent needs for increasing resources and efforts to reduce this serious threat to public safety.


Author(s):  
Caroline Reimann ◽  
Wolfgang Schubert ◽  
Michael Berg ◽  
Elke van der Meer

Objectives: The present review of literature examines the relationship of alcohol consumption and fitness to drive. The legal limit (1,6 ‰) for establishing fitness to drive by means of a medical-psychological assessment (MPA) in Germany is analyzed on the background of published empirical research to present recommendations for the improvement of the current legal situation and administrative practice. Methods: 103 published articles have been analysed (inclusion criteria: completeness, comprehensibility, and experimental manipulation of the blood alcohol concentration [BAC]). The number of alcohol-induced impairments is to be shown in a quantitative analysis. The qualitative analyses of the studies will reveal the impaired areas of psychological and medical functioning. Results: It appears that 97 % of the documented impairments occur at a maximum BAC of 1,1 ‰. Numerous skills are impaired by low doses of alcohol (e. g. attention, memory, perception). Conclusion: Alcohol-induced impairments arise at a BAC far below 1.6 ‰, which marks the legal limit for a medical-psychological assessment (MPA) after drunk driving in Germany. The BAC limit in the current ordinance for assigning a medical-psychological fitness assessment cannot be confirmed on the basis of research findings. A reduction of this BAC limit to 1,1 ‰ is proposed.


2014 ◽  
Vol 19 (9) ◽  
pp. 3925-3930 ◽  
Author(s):  
Raquel Forgiarini Saldanha ◽  
Flavio Pechansky ◽  
Daniela Benzano ◽  
Carlos Alberto Sampaio Martins de Barros ◽  
Raquel Brandini De Boni

Driving under the influence of alcohol/ drugs (DUI) is a well-established risk factor for traffic accidents, and men and women have different consumption patterns. The scope of this paper is to analyze differences in alcohol and drug consumption, as well as on behavior associated with traffic accidents among men and women. A cross-sectional study was conducted with 609 sequential traffic accident victims attended in emergency care from Porto Alegre. Subjects gave a structured interview, were breathalyzed and had a saliva test for alcohol/drug screening. Results showed that women were mainly passengers or pedestrians (p < 0.001). There was no significant difference in positive blood alcohol concentration. However, men reported more binge drinking and THC use, while women had more benzodiazepine in their saliva (p<0.05). This is the first Brazilian study to compare alcohol and drug use among men and women who were the victims of traffic accidents. Results point to differences in the pattern of substance abuse, as well on risk behavior. Data may be useful for specific prevention strategies that take gender differences into consideration.


1987 ◽  
Vol 31 (7) ◽  
pp. 751-755 ◽  
Author(s):  
Y. Ian Noy

An experiment was conducted to investigate the feasibility of developing an in-vehicle skill-based drunk driver detection and deterrence system. The experiment compared two well-developed psychomotor test devices, the Tracometer and the Critical Tracking Task (CTT), for their ability to detect alcohol intoxication. The Tracometer employed a pursuit tracking task whereas the CTT employed a compensatory tracking task. Twenty male subjects, aged 19 − 30 were trained on the Tracometer and the CTT over a three day period. On two subsequent test days, they were treated with either placebo or alcoholic beverages designed to bring their peak Blood Alcohol Concentration (BAC) to 1.2% (1200 mg/L). On each day, the subjects were tested once before treatment and six times after treatment at hourly intervals as their BAC levels declined. The results indicate that the Tracometer was more sensitive than the CTT to the the effects of alcohol over a wide range of BAC levels. At a BAC level of .08%, performance on the Tracometer deteriorated by 16% whereas performance on the CTT deteriorated by only 7%. Using optimized pass/fail protocols, the Tracometer failed 60% of subjects with BAC in the range .08–1.0%, whereas the CTT failed 34%. At BAC levels above 1.0%, the Tracometer failed about 85% whereas the CTT failed 40%. These results clearly illustrate the potential of the Tracometer as a test of alcohol intoxication. Although the impetus behind the study was the development of drunk-driving countermeasures, the technology can be easily extended to include other applications.


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