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Understanding fracture mechanisms of the upper extremities in car accidentsThieme, Sandra, Wingren, Magdalena January 2009 (has links)
<p>The aim of this study was to understand injury mechanisms behind fractures of the upper extremities in car accidents. Volvo Car Corporation initiated this project based on the fact that no safety system today focuses on preventing injuries to the upper extremity. A literature study was undertaken focusing on the basic anatomy of the upper extremity, different fracture types and fracture mechanisms. Three subsets, from 1998 – January 2009, were selected from Volvo’s statistical accident database: 1) all occupants involved in an accident 2) all occupants with a MAIS2+ injury 3) all occupants with an upper extremity fracture. These subsets were used in a comparison, using frequency analyses. The comparison analysis showed that frontal impact is the dominating accident type for all three subsets. The comparison analysis also indicated that the risk for upper extremity fractures follows the pattern of MAIS2+ injury risk. An in-depth study using 92 selected cases, including 80 occupants, was also performed. All available information, such as medical records, questionnaires completed by the occupants and photographs from the accident scene was collected and analysed. The analysis of the in-depth study, together with knowledge retrieved from the literature study, resulted in six different mechanism groups that were used to categorise fractures. The groups were then analysed individually in regard to accident type and fractured segment of the upper extremity. Analysis of the mechanism groups showed that frontal impact is the dominating accident type in these subsets as well. It could also be seen that the fractures occurring in the in-depth study are quite evenly distributed along the upper extremities. Upper extremity injuries are relatively infrequent in car accidents but may result in long-term disability, including chronic deformity, pain, weakness and loss of motion. More attention is therefore necessary in order to develop a safer environment for car occupants.</p>
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Understanding fracture mechanisms of the upper extremities in car accidentsThieme, Sandra, Wingren, Magdalena January 2009 (has links)
The aim of this study was to understand injury mechanisms behind fractures of the upper extremities in car accidents. Volvo Car Corporation initiated this project based on the fact that no safety system today focuses on preventing injuries to the upper extremity. A literature study was undertaken focusing on the basic anatomy of the upper extremity, different fracture types and fracture mechanisms. Three subsets, from 1998 – January 2009, were selected from Volvo’s statistical accident database: 1) all occupants involved in an accident 2) all occupants with a MAIS2+ injury 3) all occupants with an upper extremity fracture. These subsets were used in a comparison, using frequency analyses. The comparison analysis showed that frontal impact is the dominating accident type for all three subsets. The comparison analysis also indicated that the risk for upper extremity fractures follows the pattern of MAIS2+ injury risk. An in-depth study using 92 selected cases, including 80 occupants, was also performed. All available information, such as medical records, questionnaires completed by the occupants and photographs from the accident scene was collected and analysed. The analysis of the in-depth study, together with knowledge retrieved from the literature study, resulted in six different mechanism groups that were used to categorise fractures. The groups were then analysed individually in regard to accident type and fractured segment of the upper extremity. Analysis of the mechanism groups showed that frontal impact is the dominating accident type in these subsets as well. It could also be seen that the fractures occurring in the in-depth study are quite evenly distributed along the upper extremities. Upper extremity injuries are relatively infrequent in car accidents but may result in long-term disability, including chronic deformity, pain, weakness and loss of motion. More attention is therefore necessary in order to develop a safer environment for car occupants.
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Development of Methods and Guidelines for Upper Extremity Injury in Car AccidentsCyrén, Oscar, Harryson, Moa January 2016 (has links)
The project focus has been development of guidelines and methods for upper extremity injury reduction in car crashes. The safety of the central body parts improves which indicates the need to develop methods for avoiding non-life threatening injuries such as fracture of the arms. The purpose of the project was to study the injury mechanisms for the upper extremity in car crashes, and the aim has been to propose methods to reduce the injuries. The project focuses on adult occupants inside the vehicles front seat, and frontal and side impacts. The procedure began with understanding and identifying the injury mechanisms. Studies show that most fractures occur on the forearm (radius and ulna) and on the wrists and hands. To determine which injury mechanisms that were most frequent, data were collected from 29 computer simulations with 29 different crash scenarios. The most common kind of impact was the medial part of the wrist in the central part of the instrument panel, combined with the impact of the elbow in the center consol. The results of the simulations created a basis for the method of the component test, with focus on the injury mechanism i.e. the forward movement of the arms into the instrument panel. The component test consisted of a test rig, on which was mounted with a measuring arm of a 50th percentile male dummy. The arm dropped into a block of expanded polypropylene (EPP-block) for observation and study, and with following variable parameters: the impact angle of the surface, velocity and position of the wrist. Then also an instrumented measuring arm from a 5th percentile female dummy was released into an instrument panel. The project contributes to knowledge about the injury mechanism of the upper extremity in car crashes. The most frequent injury mechanism is a forward movement of the arms resulting in an impact with the interior structure of the car. The most frequent injured region is the distal part of the upper extremity. The project has developed and suggested the first step to a test method for the specific injury mechanism. There is a need of more research on how impact angles and velocity affect the violence on the arm.
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Drugs and driving in New Zealand: An approach to THC culpabilityTroncoso Vergara, Carolina January 2006 (has links)
For years statistical analysis has been applied to different areas of the natural and applied sciences to determine the degree of confidence that can be placed in research results. This work is a good example of how statistics can be applied to toxicology to enable conclusions and inferences to be made about important areas of interest such as the drugs and driving situation in New Zealand. Two thousand uninjured drivers (Study 1) who had provided an evidential blood alcohol sample, were also tested for cannabis, methamphetamine, benzodiazepines and morphine to determine the incidence of drug use by drinking drivers. To determine the proportion of drivers killed in car crashes who had used drugs and/or alcohol, two hundred and twenty nine fatally injured drivers (Study 2) were tested for alcohol, cannabis, methamphetamine, morphine, benzodiazepines and neutral and basic medicinal drugs that might have an effect on driving performance. Alcohol, cannabis and their combination were found to be the most prevalent drugs used by drivers. The analytical methodologies used were developed and validated by the Institute of Environmental Science and Research Ltd., where this work was carried out. These techniques involved liquid-liquid and liquid-solid extractions, immunoassays and chromatographic techniques for screening and confirmation assays. The statistical analysis of the results was done under the supervision of the Institute's biostatistician. An approach to cannabis culpability, intended to elucidate the role of this drug in car crashes, was applied to the Study 2 results. The number of samples collected during one year of research was not sufficient to enable statistically robust conclusions to be drawn. Cannabis use is illegal in New Zealand but drugs (different to alcohol) are not regularly tested at the roadside. This work as part of a cross-departmental project titled Drinking and drugged driver control: delineating the problem is expected to support the establishment of strategies designed to reduce the road toll and possibly include the screening of non-alcohol drugs in serious and fatally injured drivers.
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Analýza kritických míst v silniční dopravě ve vybraném regionu - Brno-venkov / Analysis of Critical Locations for Road Transport in a Chosen Region - Brno-venkovMazánková, Martina January 2011 (has links)
The topic of the diploma work the Analysis of Critical Locations for Road Transport in a Chosen region – Brno-Country was proposed with the aim to use its results in a practice. The practical use is guaranteed by the cooperation with the Traffic Inspectorial Brno-country of the Police of Czech Republic. The aim of the work is to propose organization and constructional-technical measures that will lead to the increasing of the safety of the road transport after careful analysis of a concrete place, which is the crossroad A56 of the roads III/42510, III/41619, and III/39528. In the end of the work are proposed concrete remedies suitable for realization, which will contribute to an increasing to the road transport safety in the subject crossroad. The results are destined in the first for the use the Police of Czech Republic, appropriate City Hall, and Road Board and Service, but some partial conclusions are suitable for a serious consideration of drivers too.
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Analyse comparative de la mortalité et de la morbidité par accident de la route au Québec et en Ontario, 2000 à 2010Cléroux Perrault, Marie-Pier 09 1900 (has links)
No description available.
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Exploration de la perception d’adolescents et d’experts sur les campagnes de sensibilisation et les programmes de prévention en sécurité routière pour adolescentsCoulombe, Marilène 10 1900 (has links)
Cette étude qualitative descriptive de type exploratoire avait pour but l’exploration de la perception des adolescents et des experts en sécurité routière sur les campagnes de sensibilisation actuelles et les programmes de prévention en sécurité routière s’adressant aux adolescents, afin de proposer de nouvelles pistes d’action en prévention des accidents de la route. Le modèle de planification Precede/Proceed de Green et Kreuter (2005) a été utilisé comme cadre de référence. Un groupe de discussion a été réalisé auprès de huit adolescents et des entrevues semi-dirigées ont été réalisées auprès de trois experts en sécurité routière. Les résultats montrent que peu de similitudes existent entre les propos des adolescents et ceux des experts en sécurité routière. Par contre, les similitudes portent sur des aspects importants en sécurité routière comme la prise du risque à l’adolescence, l’implication des parents et l’implication du milieu scolaire.
Les résultats de cette étude fourniront aux décideurs de programmes de prévention ou aux personnes agissant de près ou de loin auprès de cette clientèle des pistes de recherches et d’actions pour de futures interventions prometteuses en prévention des accidents de la route chez les adolescents afin de réduire le nombre d’accidents chez les jeunes conducteurs. / The goal of this qualitative, descriptive, exploratory study is to explore road safety experts and adolescents perceptions of current public awareness campaigns and road safety prevention programs aimed at adolescents, in order to find ways to prevent car accidents. Green & Kreuter’s Precede/Proceed Planning Model (2005) is the frame of reference used. A focus discussion group composed of eight adolescents and semi-directed interviews with three road safety experts were conducted. The results show very few similarities between the perceptions of adolescents and those of road safety experts. However, both agree on vital aspects of road safety, such as risk-taking during adolescence, and the involvement of parents and school environments. Also, the road safety experts comments were very similar to each other.
The results of this study are important for people responsible of prevention campaigns and people working with this clientele. It provides research avenues and action plans focused on the prevention of car accidents in order to decrease the number of car accidents involving young drivers.
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Exploration de la perception d’adolescents et d’experts sur les campagnes de sensibilisation et les programmes de prévention en sécurité routière pour adolescentsCoulombe, Marilène 10 1900 (has links)
Cette étude qualitative descriptive de type exploratoire avait pour but l’exploration de la perception des adolescents et des experts en sécurité routière sur les campagnes de sensibilisation actuelles et les programmes de prévention en sécurité routière s’adressant aux adolescents, afin de proposer de nouvelles pistes d’action en prévention des accidents de la route. Le modèle de planification Precede/Proceed de Green et Kreuter (2005) a été utilisé comme cadre de référence. Un groupe de discussion a été réalisé auprès de huit adolescents et des entrevues semi-dirigées ont été réalisées auprès de trois experts en sécurité routière. Les résultats montrent que peu de similitudes existent entre les propos des adolescents et ceux des experts en sécurité routière. Par contre, les similitudes portent sur des aspects importants en sécurité routière comme la prise du risque à l’adolescence, l’implication des parents et l’implication du milieu scolaire.
Les résultats de cette étude fourniront aux décideurs de programmes de prévention ou aux personnes agissant de près ou de loin auprès de cette clientèle des pistes de recherches et d’actions pour de futures interventions prometteuses en prévention des accidents de la route chez les adolescents afin de réduire le nombre d’accidents chez les jeunes conducteurs. / The goal of this qualitative, descriptive, exploratory study is to explore road safety experts and adolescents perceptions of current public awareness campaigns and road safety prevention programs aimed at adolescents, in order to find ways to prevent car accidents. Green & Kreuter’s Precede/Proceed Planning Model (2005) is the frame of reference used. A focus discussion group composed of eight adolescents and semi-directed interviews with three road safety experts were conducted. The results show very few similarities between the perceptions of adolescents and those of road safety experts. However, both agree on vital aspects of road safety, such as risk-taking during adolescence, and the involvement of parents and school environments. Also, the road safety experts comments were very similar to each other.
The results of this study are important for people responsible of prevention campaigns and people working with this clientele. It provides research avenues and action plans focused on the prevention of car accidents in order to decrease the number of car accidents involving young drivers.
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