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21.
Patho-anatomic findings in neck structures in asphyxiation due to hanging: a survey of 80 cases 总被引:2,自引:0,他引:2
J Simonsen 《Forensic science international》1988,38(1-2):83-91
By examining 80 consecutive cases of death due to hanging, fractures of the thyroid cartilage or the hyoid bone or both, were noted in 45%. Fracture of the cricoid cartilage did not occur. No fracture occurred below the age of 25, and the frequency was slightly increasing with increasing age. There was a preponderance of fractures in males. The highest incidence of fractures was noted in typical hangings, while incomplete hanging to a very great extent was combined with congestion to the face, especially if the location of the ligature was atypical. Typical hanging in general did not produce congestion. The lividity in the declivous areas became fixed at the earliest after 5-6 h suspension time, while after 12 h almost all the cases demonstrated fixed lividity in the distal parts, especially in the legs. There is slight indication that the frequency of fractures increases with the length of suspension time. 相似文献
22.
K. Wiese Simonsen A. Steentoft I.M. Bernhoft T. Hels B.S. Rasmussen K. Linnet 《Forensic science international》2013,224(1-3):44-50
This study assesses the presence of a number of psychoactive substances, including alcohol, based on blood samples from 840 seriously injured drivers admitted to five selected hospitals located in five different regions of Denmark. The study was a part of the EU 6th framework program DRUID (Driving Under the Influence of Drugs, Alcohol and Medicines). Blood samples were screened for 30 illegal and legal psychoactive substances and metabolites as well as ethanol. Danish legal limits were used to evaluate the frequency of drivers violating the Danish legislation while limit of quantification (LOQ) was used for monitoring positive drivers. Tramadol is not included in the Danish legislation therefore the general cut off, as decided in the DRUID project was used. Overall, ethanol (18%) was the most frequently identified compound (alone or in combination with other drugs) exceeding the legal limit, which is 0.53 g/l in Denmark. The percentage of seriously injured drivers testing positive for medicinal drugs at levels above the Danish legal limit was 6.8%. Benzodiazepines and Z-drugs (6.4%) comprised the majority of this group. One or more illegal drugs (primarily amphetamines and cannabis) were found to be above the Danish legal limit in 4.9% of injured drivers. Young men (median age 31 years) were over-represented among injured drivers who violated Danish law for alcohol and drugs.Diazepam (4.4%), tramadol (3.2%), and clonazepam (3.0%) were the medicinal drugs most frequently detected at levels above LOQ, whereas amphetamines (5.4%) (amphetamine [5.2%] and methamphetamine [1.5%]), tetrahydrocannabinol (3.7%), and cocaine (3.3%), including the metabolite benzoylecgonine, were the most frequently detected illegal drugs. A driver could be positive for more than one substance; therefore, percentages are not mutually exclusive. Poly-drug use was observed in 112 (13%) seriously injured drivers. Tramadol was detected above DRUID cutoffs in 2.1% of seriously injured drivers. This is 3.5 times that observed in a Danish survey of randomly selected drivers. Moreover, illegal and medicinal drug levels above the Danish legal limit were present more than 10 times as frequently as in injured drivers, whereas ethanol was present more than 30 times as frequently than in randomly selected drivers. The results indicate that there is an increased risk in traffic when driving under the influence of psychoactive drugs, especially alcohol in young male drivers. 相似文献
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24.
Sylvia X.M. Yang M.Tech. Peter K. Larsen Ph.D. Tine Alkjær Ph.D. Erik B. Simonsen Ph.D. Niels Lynnerup Ph.D. 《Journal of forensic sciences》2014,59(2):494-504
Closed‐circuit television (CCTV) footage is used in criminal investigations to compare perpetrators with suspects. Usually, incomplete gait cycles are collected, making evidential gait analysis challenging. This study aimed to analyze the discriminatory power of joint angles throughout a gait cycle. Six sets from 12 men were collected. For each man, a variability range VR (mean ± 1SD) of a specific joint angle at a specific time point (a gait cycle was 100 time points) was calculated. In turn, each individual was compared with the 11 others, and whenever 1 of these 11 had a value within this individual's VR, it counted as positive. By adding the positives throughout the gait cycle, we created simple bar graphs; tall bars indicated a small discriminatory power, short bars indicated a larger one. The highest discriminatory power was at time points 60–80 in the gait cycle. We show how our data can assess gait data from an actual case. 相似文献
25.
Simonsen KW Normann PT Ceder G Vuori E Thordardottir S Thelander G Hansen AC Teige B Rollmann D 《Forensic science international》2011,207(1-3):170-176
The frequency of medico-legally examined fatal poisonings in 2007 among drug addicts was investigated in five Nordic countries; Denmark, Finland, Iceland, Norway, and Sweden. The number of deaths, age, sex, place of death, main intoxicant, and other drugs present in blood samples were recorded to obtain national and comparable Nordic data, as well as data to compare with earlier studies in 2002, 1997, and 1991. Norway had the highest incidence of drug addict deaths by poisoning followed by Denmark, with 8.24 and 6.92 per 100,000 inhabitants, respectively. The death rates in Finland (4.02), Iceland (4.56), and Sweden (3.53) were about half that of Norway and Denmark. Compared with earlier studies, the death rates were unchanged in Denmark and Norway, but increased in Finland, Iceland, and Sweden. In all countries, fewer deaths (29-35%) were recorded in the capital area compared with earlier studies. Females accounted for 11-19% of the fatal poisonings. Iceland deviates with a more equal distribution between men and women (40%). Deaths from methadone overdoses increased in all Nordic countries, and methadone was the main intoxicant in Denmark in 2007, accounting for 51% of the poisonings. In Norway and Sweden, heroin/morphine was still the main intoxicant with a frequency of 68% and 48%, respectively. In Iceland, 3 deaths each were due to heroin/morphine and methadone, respectively. Finland differs from other Nordic countries in having a high number of poisonings caused by buprenorphine and very few caused by heroin/morphine. The total number of buprenorphine deaths in Finland doubled from 16 in 2002 to 32 in 2007, where it constituted 25% of deaths. The general toxicological screening program showed widespread multi-drug use in all countries. The median number of drugs per case varied from 3 to 5. The most frequently detected substances were heroin/morphine, methadone, buprenorphine, tramadol, amphetamine, cocaine, tetrahydrocannabinol, benzodiazepines and ethanol. 相似文献
26.
Birgitte Kringsholm Jørgen Voigt Jørgen B. Dalgaard Jørn Simonsen 《Forensic science international》1981,18(1):19-30
Objective measurements were carried out to study the evolution of rigor mortis on rats at various temperatures.Our experiments showed that:(1) at 6 °C rigor mortis reaches full development between 48 and 60 hours post mortem, and is resolved at 168 hours post mortem; (2) at 24 °C rigor mortis reaches full development at 5 hours post mortem, and is resolved at 16 hours post mortem; (3) at 37 °C rigor mortis reaches full development at 3 hours post mortem, and is resolved at 6 hours post mortem; (4) the intensity of rigor mortis grows with increase in temperature (difference between values obtained at 24 °C and 37 °C); and (5) at 6 °C a “cold rigidity” was found, in addition to and independent of rigor mortis. 相似文献
27.
A substantial literature exists on federal tax expenditures, but almost no empirical research has been done on state tax expenditures. This article examines Michigan tax expenditures, with an emphasis on comparison to findings from the federal level. Three major topics are addressed: (1) allocation of resources by policy area, (2) distribution of tax expenditure benefits by income class, and (3) tax expenditure growth over time. Only the findings on resource allocation are consistent with findings from the federal level, suggesting that simple theories may be insufficient to systematically describe tax expenditures. 相似文献
28.
In this article, we explore the influence of tax price information on citizen preferences for taxes and spending using mail surveys. We explore the effects on service support when varying levels of cost information. We also observe how the magnitude of service costs influences service support. While the presence of cost information corresponded with lower levels of respondent support for the most costly services, it was associated with higher levels of support for less expensive services. These effects were the same whether the tax price represented the respondent's actual household cost or the jurisdiction average household cost for each service. 相似文献
29.
Is there evidence of a principal-agent problem in the municipal bond industry? Do public managers, either on their own or through private sector agents, act to increase their own utility at the expense of the public? This article examines municipal bond decisions in the context of principal-agent theory based on data collected through a random sample survey of municipal bond issuers. Principal-agent theory is not well developed in the public sector. In the municipal bond industry, however, we have evidence that it helps explain the actions of public managers and elected officials, in particular for pay to play and the importance of interest rates vis-à-vis relationships. These actions carry potential costs to citizens. 相似文献
30.
Reliable Gait Recognition Using 3D Reconstructions and Random Forests – An Anthropometric Approach 下载免费PDF全文
Martin Sandau Ph.D. Rikke V. Heimbürger M.D. Karl E. Jensen Ph.D. Thomas B. Moeslund Ph.D. Henrik Aanæs Ph.D. Tine Alkjær Ph.D. Erik B. Simonsen Ph.D. 《Journal of forensic sciences》2016,61(3):637-648
Photogrammetric measurements of bodily dimensions and analysis of gait patterns in CCTV are important tools in forensic investigations but accurate extraction of the measurements are challenging. This study tested whether manual annotation of the joint centers on 3D reconstructions could provide reliable recognition. Sixteen participants performed normal walking where 3D reconstructions were obtained continually. Segment lengths and kinematics from the extremities were manually extracted by eight expert observers. The results showed that all the participants were recognized, assuming the same expert annotated the data. Recognition based on data annotated by different experts was less reliable achieving 72.6% correct recognitions as some parameters were heavily affected by interobserver variability. This study verified that 3D reconstructions are feasible for forensic gait analysis as an improved alternative to conventional CCTV. However, further studies are needed to account for the use of different clothing, field conditions, etc. 相似文献