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Lasting mechanochemical activity regarding β-cyclodextrin polymers by simply dual twist extrusion.
Objective To analyse the clinical history, laboratory tests and pathological data of a patient who suffered from novel coronavirus pneumonia(COVID-19) and provide reference for the clinical treatment of similar cases. Methods Data of clinical manifestation, laboratory examination, bronchoscopy, echocardiography and cardiopulmonary pathological results were retrospectively reviewed in a case of COVID-19 with rapid exacerbation from mild to critical condition. Results This patient hospitalized at day 9 post 2019 novel coronavirus(2019-nCoV) infection, experienced progressive deterioration from mild to severe at day 11, severe to critical at day 18 and underwent extracorporeal membrane oxygenation(ECMO) and continuous renal replacement therapy(CRRT) as well as heart lung transplantation during day 28-45 day post infection, and died on the second day post heart and lung transplantation. The patient had suffered from hypertension for 8 years. At the early stage of the disease, his symptoms were mild and the inflamible disease progression and worse outcome. In the early stages of the disease, the progress of the disease should be closely observed and evaluated, and the factors related to the progress of the disease should be identified and managed.Objective To assess the risk of COVID-19 foreign imports cases to China. Methods We collected epidemic data (cumulative daily confirmed cases in each country, cumulative confirmed imported cases), demographic data (population density, population) and information on potential source groups of tourists (the daily estimated number of overseas Chinese, overseas Chinese students, overseas workers, foreign students coming to China and flight passengers) and the global health security index (GHS) to assess and predict risk of imported cases for recent (February 1st to April 25th) and future (after April 26th). Results Strong positive correlation was found among variables including the number of imported cases, cumulative confirmed cases, attack rate, number of overseas Chinese, number of overseas Chinese students, number of foreign students coming to China, number of flight passengers and GHS. In the recent risk analysis, imported cases of Russian were the highest, followed by United Kingdom, United States, France and Spain. In the future risk prediction, 44 countries including United States and Singapore are evaluated as potential high-risk countries in the future through the attack rate index of each country and the estimated average number of daily passengers. Conclusion The risk assessment of COVID-19 imported cases can be used to identify high-risk areas in recent and future, and might be helpful to strengthen the prevention and control of the epidemic and ultimately overcome the epidemic.Objective To compare the technical elements of health standards for nosocomial infection control, health protection, health information, and health emergency and biosafety in the context of the prevention and control of COVID-19, and provide support for the further optimization of the epidemic prevention and control guidelines. Methods Above mentioned health standards used in COVID-19 prevention and control were collected for a systematic comparison with "Guidelines for Prevention and Control of COVID-19 in Medical Institutions" (the 1st Edition) from the perspective of technical elements. Results The application scope and technical elements of the current health standards basically meet the needs for the prevention and control of COVID-19 epidemic. Conclusions The implementation of the current health standards can provide strong technical support for the prevention and control of COVID-19 epidemic. The experience obtained in the epidemic prevention and control can also contribute to the further revision and improvement of the health standards.Objective To systematically analyze the basic characteristics and contents of the current health standards for infectious disease, environmental health, school health and disinfection in the context of COVID-19 prevention and control, and provide support for the further optimization of epidemic prevention and control guidelines and reference for the revision and improvement of related health standards. Methods Public health standards used in COVID-19 prevention and control were selected for a systematic comparison with "The Plan of COVID19 Prevention and Control" (the 6th Edition) and other epidemic prevention and control guidelines from the perspectives of application scope and technical elements. Results The current standards of public health are with scientificity, timeliness and feasibility. The application scope and technical elements of the current public health standards basically meet the needs of the prevention and control of COVID-19 epidemic, but the public health standardization system still needs improvement, and some public health standards need to be revised. Conclusions The implementation of current public health standards can provide strong technical support for the prevention and control of COVID-19 epidemic. The experience obtained from COVID-19 epidemic prevention and control might promote the further improvement of the health standardization system.Purpose Pediatric clerkships that utilize off-campus clinical sites ensure clinical comparability by requiring completion of patient-focused tasks. Some tasks may not be attainable (especially off-campus); thus, they are not assigned. The objective of this study is to evaluate the feasibility of providing a voluntary assignment list to pediatric clerkship third-year medical students. Methods This is a retrospective single-center cross-sectional analysis of voluntary assignment completion during the 2019-2020 academic year. Third-year medical students were provided a voluntary assignment list as follows observe a procedure, use an interpreter phone to obtain a pediatric history, ask a preceptor to critique a clinical note, and follow-up on a patient after rotation end. M3541 supplier Descriptive statistics were used to assess the timing and distribution of voluntary assignment completion amongst study subjects. Results One-hundred and thirty-two subjects (77 on main-campus, 55 off-campus) were included in this study. Eighteen (13.
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