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Violence toward emergency physicians: A prospective-descriptive study

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World Journal of Emergency Medicine 2021年第2期12卷 111-116页

作者： Kasım Turgut Erdal Yavuz Mine KayacıYıldız Mehmet Kaan poyraz Department of Emergency Medicine Research and Training HospitalAdiyaman UniversityAdiyaman 02100Turkey

BACKGROUND: The highest rate of workplace violence occurs in the health sector, although most cases remain unreported. Emergency services face the majority of these incidents for many reasons, such as the patient profile, long waiting time, and overcrowding. We aimed to determine the characteristics and causes of violence toward emergency physicians. METHODS: The acts of violence toward emergency physicians over a one-year period were prospectively recorded. After a violent incident took place, a third party separately interviewed the physician exposed to the violent behavior and the perpetrator who displayed this behavior. We examined the perpetrator's reasons for violence, their demographic characteristics, and the medical complaints of patients involved in such events to determine the characteristics and causes of ***: Of the violent acts investigated, 85.1% were verbal, and most were directed toward male doctors by the young male relatives of the patients. More than half of the violent acts occurred within the 15 minutes of presentation to emergency service(60.5%) and at off-hours(69.4%). Concerning the health insurance, 20.4% of the cases were covered by the free green card system, and a small number of the perpetrators of violence lived in rural areas(38.2%). The most common reason for violent behavior was the patients' or their relatives' dissatisfaction with the examination or treatment method(38.2%).CONCLUSIONS: Appropriate communication should be established with the patients, and they should be adequately informed about the treatments and interventions to be performed in order to prevent possible acts of violence.

关键词： Violence Emergency physician Emergency department

Aftershock sequence simulations using synthetic earthquakes and rate-state seismicity formulation

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Earthquake Science 2014年第4期27卷 401-410页

作者： Heming Xu Yifeng Cui James H.Dieterich Keith Richards-Dinger Efecan poyraz Dong Ju Choi San Diego Supercomputer Center University of California Department of Earth Sciences University of California

We use an efficient earthquake simulator that incorporates rate-state constitutive properties and uses boundary element method to discretize the fault surfaces, to generate the synthetic earthquakes in the fault system. Rate-and-state seismicity equation is subsequently employed to calculate the seismicity rate in a region of interest using the Coulomb stress transfer from the main shocks in the fault system. The Coulomb stress transfer is obtained by resolving the induced stresses due to the fault patch slips onto the optimal-oriented fault planes. The example results show that immediately after a main shock the aftershocks are concentrated in the vicinity of the rupture area due to positive stress transfers and then dis- perse away into the surrounding region toward the back- ground rate distribution. The number of aftershocks near the rupture region is found to decay with time as Omori aftershock decay law predicts. The example results dem- onstrate that the rate-and-state fault system earthquakesimulator and the seismicity equations based on the rate- state friction nucleation of earthquake are well posited to characterize the aftershock distribution in regional assess- ments of earthquake probabilities.

关键词： Earthquake simulator Rate-and-stateseismicity Aftershock

系统给药腐植酸对结扎性牙周炎大鼠牙槽骨丢失影响的组织病理学和形态学研究

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腐植酸 2018年第3期 80-80页

作者： ?al???r M Akpinar A poyraz? 袁晓娜中国腐植酸工业协会

腐植酸是一种广泛存在于世界各地的土壤提取物,其含有的微量元素对人体健康有重要意义。本研究的目的是评价系统给药腐植酸对牙周炎模型大鼠的形态学和组织病理学变化的影响。选38只雄性Wistar大鼠随机分为5组：非结扎组（NL,n=6）,结... 详细信息

腐植酸是一种广泛存在于世界各地的土壤提取物,其含有的微量元素对人体健康有重要意义。本研究的目的是评价系统给药腐植酸对牙周炎模型大鼠的形态学和组织病理学变化的影响。选38只雄性Wistar大鼠随机分为5组：非结扎组（NL,n=6）,结扎组（LO,n=8）,结扎＋腐植酸（每天分别给药20、80和150 mg/kg,处理15天,分别记为S-20组、S-80组和S-150组）。在下颌象限第一磨牙的牙龈缘处放置4/0条真丝结扎线。

关键词： Wistar大鼠组织病理学评价系统腐植酸形态学牙周炎结扎给药