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Objective To explore the public attitude towards kidney xenotransplantation in China by constructing and validating the prediction model based on xenotransplantation questionnaire. Methods A convenient sampling survey was conducted among the public in China with the platform of Wenjuanxing to analyze public acceptance of kidney xenotransplantation and influencing factors. Using random distribution method, all included questionnaires (n=2 280) were divided into the training and validation sets according to a ratio of 7:3. A prediction model was constructed and validated. Results A total of 2 280 questionnaires were included. The public acceptance rate of xenotransplantation was 71.3%. Multivariate analysis showed that gender, marital status, resident area, medical insurance coverage, religious belief, vegetarianism, awareness of kidney xenotransplantation and whether on the waiting list for kidney transplantation were the independent influencing factors for public acceptance of kidney xenotransplantation (all P<0.05). The area under the curve (AUC) of receiver operating characteristic (ROC) of the prediction model in the training set was 0.773, and 0.785 in the validation set. The calibration curves in the training and validation sets indicated that the prediction models yielded good prediction value. Decision curve analysis (DCA) suggested that the prediction efficiency of the model was high. Conclusions In China, public acceptance of kidney xenotransplantation is relatively high, whereas it remains to be significantly enhanced. The prediction model based on questionnaire survey has favorable prediction efficiency, which provides reference for subsequent research.
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@#The banning of new nursing schools in the Philippines was imposed in 2010 to mitigate the failing compliance of schools with various competency standards set forth by the Professional Regulation Commission (PRC), in addition to the burden of students in paying their affiliations with hospitals. In the midst of the shortage of nurses in the country that was magnified by the COVID-19 pandemic, the Commission on Higher Education (CHED) decided to lift the moratorium. This paper draws on the narratives of nursing leaders and professionals on the phenomenon of nursing shortage and the issues that can arise with the reopening of nursing schools. The verbatims highlight the historical and contemporary entanglement of various issues that contributed to the problem of nursing shortage. In addressing these issues, this paper looks into some of the problems in Philippine nursing that may conform with the broad contemporary problems identified by philosopher Alain Badiou. Viable solutions may be found in the exploration of emerging research methodologies, consideration of systems thinking using technological advances, and incorporating political competency among Filipino nurses.
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Education, Nursing , Schools, NursingABSTRACT
Serious hazards of transfusion(SHOT)in the United Kingdom has been received reporting of the adverse events of delayed transfusion for more than ten years. Hemovigilance Module Surveillance Protocol in Biovigilance Component in National Healthcare Safety Network in the United States updated the incident codes to include under-transfusion with the creation of a new process code: no blood (NB) and four incident codes in October 2022. This review introduces the monitoring practice of delayed transfusion/under-transfusion in the UK and the USA, makes a suggestion to incorporate delayed transfusion/under-transfusion due to blood shortage into the national health standard on the classification of transfusion reactions and haemovigilance protocol in China, and to do a national survey as well, therefore the real world data and evidences would be obtained and used for further policy making.
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OBJECTIVE To analyze the current situation of pediatric drug use under centralized drug procurement， and to provide reference for the subsequent design of pediatric drug centralized procurement rules. METHODS The comparative analysis method was used to analyze the problems in the centralized procurement， clinical use and supply of pediatric drugs from the aspects of centralized procurement selection results and actual use of pediatric drugs， price difference and online prices of pediatric drugs. The solutions were put forward to optimize the centralized procurement and pricing rules of pediatric drugs. RESULTS & CONCLUSIONS The demands for pediatric drugs in China were increasing， but the supply of marketed pediatric drugs was insufficient （including insufficient coverage of disease fields， insufficient varieties， insufficient suitable dosage forms for children， insufficient specifications for children， etc.）， and the development of pediatric drugs was relatively difficult. After merging the dosage forms of centralized procurement according to the medical insurance list， some suitable dosage forms and specifications for children couldn’t be selected， resulting in a shortage of clinical pediatric medication. Relevant enterprises’ enthusiasm for developing and producing pediatric drugs and participating in online competitions had decreased. There was also the problem of underpricing of pediatric drugs under the drug price difference ratio rule. It is recommended that when conducting centralized drug procurement， special drugs for children should be grouped separately for centralized procurement based on attributes and the population covered by the indications. The specifications of suitable pediatric drugs that were not selected are converted into the agreed purchase quantity of medical institutions in a certain proportion. It is necessary to further optimize the pricing rules for pediatric specialized drugs， ensure a certain profit margin for such drugs， increase the willingness of production enterprises to research， develop and supply drugs， and thus ensure the use and supply of pediatric drugs.
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Under the background of severe shortage of donor organs and organ donation after citizen's death becoming the main source of donor organs in China, expanded criteria donor (ECD) has been widely applied in clinical practice. However, ECD has the disadvantages of basic diseases, old age, trauma, shock or infection, which will affect the quality of donor organs to varying degrees and become one of critical factors affecting clinical efficacy of organ transplantation. The recipients of ECD organ transplantation will also bear the additional risk and uncertainty of efficacy brought by ECD organs. Hence, it is necessary to pay attention to the protection of the recipients’ rights and interests. In this article, ethical issues faced by ECD organ transplantation in recipient protection and the shortcomings in the ethical review of organ ethics committee were reviewed, and suggestions on the ethical review institution and system construction of the rights and interests of organ transplantation recipients were elucidated, aiming to provide reference for promoting the advancement of ECD organ transplantation.
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Heart transplantation is one of the most effective strategies to treat end-stage heart failure. Multiple challenges, such as difficulty in preservation of heart allograft, rejection and postoperative complications, emerge in heart allotransplantation. After decades of research and practice, most problems have been resolved. Nevertheless, the shortage of donor organs has become increasingly prominent. To alleviate the shortage of donor organs, artificial heart and heart xenotransplantation have captivated attention, and obtained significant progress in recent years. The application of artificial heart in clinical practice has significantly enhanced the survival rate of patients with end-stage heart failure, which is expected to become the standard treatment for end-stage heart failure. Heart xenotransplantation still faces many challenges, which is still far from clinical application. In this article, the history of heart transplantation, development of heart allotransplantation, use of artificial heart and research progress on heart xenotransplantation were reviewed, and the future development direction of heart transplantation was predicted.
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With gradual maturity of surgical technique of heart transplantation, extensive use of immunosuppressants and the improvement of organ distribution system, the shortage of donor heart has become a bottleneck issue restricting the development of heart transplantation in clinical practice. How to expand the donor pool for heart transplantation remains to be urgently solved. In recent years, with the development of science and technology and the application of new technology, groundbreaking progresses have been made on how to expand the donor pool for heart transplantation within the transplantation community. Multiple research results have been gradually translated into clinical practice, driving the development of heart transplantation in clinical settings. In this article, the latest technologies and strategies to expand the donor pool for heart transplantation were reviewed, the roles of organ preservation technology, use of marginal donor heart, xenotransplantation, artificial heart and bioartificial heart in alleviating the shortage of donor heart were investigated, and existing challenges and future directions to expand the donor pool for heart transplantation were summarized, aiming to provide reference for subsequent development of heart transplantation in clinical practice.
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Organ transplantation is the most effective treatment for various types of end-stage diseases. To resolve the problem of donor shortage in organ transplantation, the possibility of xenotransplantation has been gradually explored by surgeons. Pig is one of the common donor sources for xenotransplantation. As a bridge between two species, the viruses carried by pig organs may be transmitted between species and cause the risk of zoonosis. Porcine endogenous retrovirus (PERV) is integrated into the genome, which is a category of retrovirus featuring cross-species transmission. In this article, the influencing factors of transmission characteristics of PERV, the transmission risk of PERV and its recombinant virus, and the detection and transmission risk assessment of PERV in xenotransplantation test were reviewed, aiming to provide reference for alleviating severe shortage of donor organs and driving the advancement of xenotransplantation technologies.
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Objective To investigate the attitudes and influencing factors of transplantation-related populations towards kidney xenotransplantation. Methods From June 2022 to January 2023, stratified random sampling was performed from patients awaiting kidney transplantation, patients after kidney transplantation, patients' relatives and medical students. Four hundred subjects were collected from each population and 1600 subjects were investigated using a self-designed questionnaire. Baseline data of the respondents, their attitudes towards kidney xenotransplantation and the reasons of rejecting kidney xenotransplantation were analyzed. The influencing factors of attitudes towards kidney xenotransplantation were also identified. Results A total of 1 493 valid questionnaires were collected, and the questionnaire retrieval rate was 93.31%. About 93.10% of the respondents accepted allogeneic kidney transplantation, and 66.78% had heard of kidney xenotransplantation. Seven hundred and ninety-five respondents suggested that they could accept kidney xenotransplantation "when kidney xenotransplantation and allogeneic kidney transplantation yielded the same results and risks". Six hundred and ninety-eight respondents indicated that they were "unable" or "uncertain" whether they could accept kidney xenotransplantation (χ2=16.409，P=0.001). Among these 698 respondents, the proportion of them who were willing to accept kidney xenotransplantation when they did not meet the conditions of allogeneic kidney transplantation was 10.9%. About 35.8% of respondents were willing to accept kidney xenotransplantation if it yielded less risk and better prognosis compared with allogeneic kidney transplantation. If the time of awaiting kidney xenotransplantation was shorter than that of allogeneic kidney transplantation, 21.2% were willing to accept kidney xenotransplantation. If the cost of kidney xenotransplantation was less than that of allogeneic kidney transplantation, 24.5% of them were willing to accept kidney xenotransplantation. The main reasons of rejecting kidney xenotransplantation included surgical risk and other unknown risks. Multivariate analysis showed that respondents residing in cities and towns for a long period of time, those who accept allogeneic kidney transplantation and those who have heard of kidney xenotransplantation showed more positive attitudes towards kidney xenotransplantation. Conclusions Different transplantation-related populations have different attitudes towards kidney xenotransplantation, and the overall attitudes are positive. Active promotion of kidney xenotransplantation research and carrying out relevant popular science education contribute to improving public attitudes towards the acceptance of kidney xenotransplantation.
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OBJECTIVE To analyze the situation and causes of the shortage of drugs in centralized volume-based procurement， and to put forward countermeasures and suggestions for optimizing centralized procurement rules and improving the drug shortage supply guarantee system. METHODS The shortage data of the first five batches of centralized purchasing drugs during January 2019 and December 2021 were collected from the Shortage Database of Chinese medicine economic information； descriptive statistical analysis was performed for shortage frequency， varieties and reasons. RESULTS & CONCLUSIONS After the first five batches of centralized volumetric procurement policy landed， the frequency of drug shortage reported for selected specifications and selected enterprises increased significantly， mainly drug shortage of selected enterprises. The shortage of some varieties from selected enterprises in the short term was obvious， and most of them were commonly used clinical drugs. The occurrence of drug shortages was affected by various links such as the production， circulation and use， and the main reasons were shortage or monopoly of raw materials. In order to ensure the drugs supply， the government should scientifically assess the risk of production interruption of enterprises， further optimize centralized procurement rules， improve the reporting system for drug shortages， and attach importance to the supply of key drugs； in addition， hospitals should take a variety of measures within the scopes of policies to flexibly respond to drug shortages so as to avoid delaying the treatment of patients.
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Along with the development of liver transplant techniques, clinical efficacy of liver transplantation has been significantly improved, and the survival of the recipients and liver grafts has been remarkably prolonged. However, the source of organ donation after citizen' s death still fails to meet the requirement of liver transplantation. The shortage of donor liver limits further development of liver transplantation. In recent years, living donor liver transplantation has been widely used in the treatment of patients with end-stage liver disease as one of the means to resolve organ shortage. As a special type of living donor liver transplantation, right posterior segmental graft liver transplantation provides a novel solution for expanding the potential donor pool for living donor liver transplantation. In this article, the development profile of living donor liver transplantation, donor selection of right posterior segmental graft for living donor liver transplantation, anatomical challenges of right posterior segmental graft procurement and surgical skills of right posterior segmental graft procurement were reviewed. Moreover, the prospect of right posterior segmental graft for living donor liver transplantation was predicted, aiming to promote the development of liver transplantation in clinical practice and bring benefits to more patients with end-stage liver diseases.
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RESUMO A Bacia Hidrográfica do Rio Paraíba do Sul foi afetada por uma das secas mais severas de sua história, durante os anos de 2013 a 2015, que resultou em várias consequências para o gerenciamento de seus recursos hídricos. O objetivo deste artigo foi contribuir com o entendimento desse evento histórico, no trecho Paulista da Bacia do Rio Paraíba do Sul, por meio do cálculo e da análise do índice padronizado de precipitação. Esse índice foi calculado nas escalas de 1, 3, 6 e 12 meses, para 22 estações pluviométricas localizadas na área de estudo. Os resultados demonstraram que a seca ocorrida entre 2013 e 2014 foi uma das mais severas já registradas, e que o verão de 2014 foi o período crítico no que diz respeito à redução da chuva regional. Essa seca impactou o armazenamento e a capacidade de regularização do principal reservatório da região, o Reservatório de Paraibuna. Embora o pico da crise hídrica tenha ocorrido, principalmente, em razão da seca de 2013/2014, verificou-se que ele foi influenciado pelo efeito cumulativo de uma seca anterior, ocorrida desde o início do ano de 2011. Esse resultado reforça a importância do planejamento plurianual da operação do Sistema Hidráulico da Bacia do Rio Paraíba do Sul.
ABSTRACT The Paraiba do Sul River Basin was affected by one of the most severe drought periods in its recent history, during the years 2013 to 2015, which resulted in several consequences for the management of its water resources. This article aims to contribute to the understanding of this historical event in the São Paulo Stretch of the Paraiba do Sul River Basin, through the calculation and analysis of the standardized precipitation index (SPI). SPI was calculated for the time scales of 1, 3, 6, and 12 months, for 22 rainfall stations located in the study area. The results showed that the drought occurred between 2013 and 2014 was one of the most severe ever recorded, and that the summer of 2014 was the critical period in terms of reduction of regional rainfall. This drought impacted the storage and regularization capacity of the main reservoir of the region, the Paraibuna Reservoir. Although the peak of the water crisis occurred mainly due to the 2013/2014 drought, it was found that it was influenced by the cumulative effect of a previous dry period, that occurred since the beginning of the year of 2011. This result reinforces the importance of multiannual planning for the operation of the Paraíba do Sul River Basin Hydraulic System.
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Abstract: Construction of water diversions in drylands is boosted by increasing demands for freshwater often due to prolonged droughts. Even though these mega-enterprises result in benefits to society, it also poses a threat to freshwater biodiversity. In Northeastern Brazil, for instance, the São Francisco River Integration Project already supplies water for millions of people, but over time it will also favor the introductions of multiple aquatic species in the river basins of the Northeastern Caatinga and Coastal Drainages ecoregion. These introductions can cause unprecedented impacts in the native ichthyofauna, such as homogenization of freshwater faunas, transmission of pathogens and loss of native species. This study compares the composition and relative frequency of fish species from Poções reservoir using data obtained by gillnetting and trawling before and after the São Francisco diversion in the dry and rainy seasons, and reports the first detection of Moenkhausia costae introduction in the Paraíba do Norte basin, through the São Francisco River channel. Our results show some evidences that M. costae may become dominant and invasive in Poções reservoir. The introduction of M. costae adds a new component of disruption for these freshwaters and may pose a serious threat to the endemic ichthyofauna in lentic and lotic systems from the Paraíba do Norte basin.
Resumo: Obras para transposição de rios em regiões secas do mundo têm sido impulsionadas pelo aumento da demanda por água doce, muitas vezes associadas às secas prolongadas que são intrínsecas a essas regiões. Embora tais megaempreendimentos possam trazer benefícios para a sociedade, também representam uma ameaça para a biodiversidade aquática. No Nordeste do Brasil, por exemplo, o Projeto de Integração do Rio São Francisco já fornece água para milhões de pessoas, mas com o tempo também contribuirá com a introdução de várias espécies aquáticas nas bacias hidrográficas da ecorregião Nordeste da Caatinga e Drenagem Costeira. Essas introduções podem causar impactos sem precedentes, tais como homogeneização da ictiofauna nativa, transmissão de patógenos e perda de espécies nativas. Este estudo compara a composição e frequência relativa de espécies de peixes do açude Poções usando dados coletados com redes de espera e de arrasto antes e depois da transposição do rio São Francisco, nos períodos seco e chuvoso, e relata o primeiro caso de introdução de Moenkhausia costae na Bacia do Rio Paraíba do Norte, através do canal do rio São Francisco. Nossos resultados mostram que M. costae poderá se tornar dominante e invasora no açude Poções. A introdução de M. costae adiciona um novo componente de perturbação para esse açude e pode representar uma séria ameaça à ictiofauna endêmica de sistemas lênticos e lóticos da bacia do rio Paraíba do Norte.
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Organ shortage is a common problem in the field of transplantation worldwide. It is urgent to expand the donor pool via different effective and safe approaches. Recently, "the statement from international collaborative on expanding controlled donation after the circulatory determination of death (cDCDD)" has attracted widespread attention from scholars. The statement aims to promote cDCDD in order to increase organ donation rates, with the ultimate goal of achieving self-sufficiency in transplantation. In this article, the key contents mentioned in the statement were summarized, the terminology update and relevant discussion of donation after the circulatory determination of death (DCDD), the development trend of DCDD, the basic part of the clinical pathway of cDCDD and the key factors affecting the implementation of cDCDD were illustrated, and the inspiration drew from this statement to the sustainable development of organ donation program in China was reflected.
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Lung transplantation is the only effective treatment of end-stage lung diseases. Nevertheless, shortage of donor lungs has become increasingly prominent worldwide. A large quantity of patients died while waiting for lung transplantation. Urgent lung transplantation is a prioritized allocation strategy for donor lung transplantation according to the urgency of diseases, aiming to shorten the waiting time for donor lungs and reduce the fatality of patients on the waiting list for lung transplantation. However, no consensus has been reached worldwide on the definition, criteria and application of the terminology of urgent lung transplantation. In addition, the survival and net benefits of lung transplant recipients based on this allocation system are still controversial. On the basis of previous clinical research on urgent lung transplantation, the definition criteria, risk factors, survival outcomes, limitations and optimization measures were explicitly elucidated in this article, aiming to provide theoretical reference for comprehensive evaluation of the feasibility of urgent lung transplantation and further optimizing the allocation system of donor lungs.
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A escassez de água tem colocado em risco a saúde humana, sendo necessárias ações de conservação. Racionar água é uma medida adotada por cidades sob esse risco. O objetivo do estudo foi identificar quais as variáveis psicológicas, sociodemográficas e situacionais que dificultam ou auxiliam moradores no período de racionamento a conservar este recurso. A amostra foi escolhida por conveniência, constituída por 103 adultos, que responderam um questionário contendo escalas de favorabilidade às medidas de racionamento e apego ao lugar. Foram utilizados Grupos focais para acessar suas percepções sobre o racionamento. Os dados das escalas foram analisados estatisticamente, e a análise de conteúdo foi realizada nos grupos focais. Os resultados indicaram diferenças em apego ao lugar e favorabilidade dependendo do local estudado e do nível socioeconômico dos participantes. Conclui-se que os aspectos de apego ao lugar se relacionam ao comportamento pró-ambiental.
Water scarcity has put to risk human health and conservation actions have become urgent. Water rationing has been employed in several cities to cope with the issue. Current analysis identifies the psychological, sociodemographic and situational variables that make difficult or help people during the rationing period so that the resource could be preserved. A convenience sample of 103 adults answered a questionnaire with favorability scales to rationing measures and bonds to sites. Focal groups were employed to access perceptions on rationing. Scale data were analyzed statistically and content analysis was employed in focal groups. Results reveal difference in bonding and favorability that depends on the site analyzed and the participants´ socioeconomic level. Bonding aspects are related to pro-environmental behavior.
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OBJECTIVE： To investigate the situation and reasons of drug shortage in some medical institutions from Sichuan province. METHODS： A questionnaire survey was conducted among 78 medical institutions in Sichuan province by stratified random sampling. The situation of drug shortage were collected from Jan. 2015 to Jun. 2017， mainly including the basic information of medical institutions， drug shortage situation， specific drug shortage information and the reasons for drug shortage. Descriptive analysis of the information collected by the questionnaire was carried out， and Logistic regression analysis of the data by SPSS 20.0 software was adopted to find out the key factors affecting drug shortage. RESULTS & CONCLUSIONS： Totally 78 medical institutions include 13 third-level hospitals， 22 second-level hospitals and 43 primary medical institutions （10 community health service centers， 33 township health centers）. A total of 78 questionnaires were sent out， and the recovery rate and effective rate both were 100％. Among them， 68 medical institutions reported 206 shortage drugs totally， involving 240 specifications. The prices of more than 88.34％ of the shortage drug were less than 50 yuan. Main types of shortage drugs included anti-infective drugs， central nervous system drugs and cardiovascular system drugs， and most of them were purchased directly through internet. The proportion of temporary shortage （shortage time＜3 months） and long-term shortage （shortage time＞12 months） was relatively high （more than 68％ in total）. Drug supply and medical institutions’own factors were two main causes of drug shortage. Logistic regression analysis showed that main factors affecting the time of drug shortage were hospital drug purchase process， location of medical institution and drug purchase price. The main factors affecting the specifications of drug shortage in medical institutions were the process of drug purchase， the limitation of hospital purchase catalogue， primary or non-primary medical institution， comprehensive or specialized hospitals. It is suggested that medical institutions in this region can reduce the drug shortage caused by their own reasons by building a platform for drug information management， optimizing drug purchase catalogues and plans， strengthening the management of pharmacy inventory and establishing a regulatory system for distribution enterprises.
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OBJECTIVE： To investigate the reasons for drug shortage in medical institutions of Sichuan province and put forward relevant countermeasures， and to provide reference for establishing supply security mechanism of drug shortage. METHODS： Questionnaire survey was conducted to investigate drug shortage in 78 medical institutions of the province during Jan. 2015-Jun. 2017. Traceability investigation was conducted from manufacturers and distribution enterprises involved in drug shortage. Questionnaire survey and field investigation were combined to analyze the reasons for drug shortage in Sichuan province and put forward countermeasures. RESULTS： Totally 78 questionnaires were sent out to medical institutions with recovery rate and effective rate of 100％. A total of 206 drugs were reported by 78 medical institutions， involving 240 specifications for shortage in total. Totally 140 questionnaires and 68 questionnaires were distributed to the manufacturers and distribution enterprises involved in drug shortage， and the recovery rate and effective rate were all 100％. Combined with the field survey， survey results of shortage drugs of 212 specifications were obtained. From the perspective of manufacturers， the most important factors causing drug shortage were the increase of production cost （66.51％） and circulation cost（26.88％）. From the perspective of distribution enterprises，the main factors causing drug shortage were insufficient supply of drugs（75.47％），inventory management（16.51％） and price inversion（11.32％）. CONCLUSIONS： Main reasons of drug shortage from manufacturers and distribution enterprises include the increase of production cost and circulation cost， drug price inversion， inventory management and bidding procurement. It is suggested that measures should be taken to improve the bidding and pricing system of drugs， mobilize the enthusiasm of enterprises； improve the early warning mechanism of drug shortage on the enterprises， strengthen information communication； establish the mechanism of drug shortage reserve， organize the emergency production of drug for shortage； strengthen the management of drug shortage supply chain， purify the unhealthy atmosphere in the market； improve the emergency disposal methods of drug shortage， and improve the supply guarantee ability of drug shortage. Departments cooperate to reduce the emergence of drug shortage and ensure the continuous access to safe and effective drugs in clinic.
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OBJECTIVE： To analyze the effect of the national designated production pilot policy for drug in shortage in China. METHODS： Taking 2 batches of drugs from 7 designated production manufacturers in Chongqing from Sept. 2012 to Sept. 2018 as an example， the overall supply situation of designated production （using the average satisfaction rate of medical institution’s order as index）， the changes of drug supply （average satisfaction rate of order） before and after the implementation of national designated production policy （during designated production period and non-designated production period） were all analyzed. According to the level of medical institutions and the order quantity of medical institutions （three sections： small amount， suitable， big amount）， the classification analysis was carried out. At the same time， telephone interview was conducted among the business personnel of related pharmaceutical production enterprises to understand and summarize the reasons for the supply problems of these drugs. RESULTS： Except for the average satisfaction rate of drug order was 0 in one designated production manufacturers， the satisfaction rate of drug order in the other 6 designated production manufacturers ranged from 58.05％ to 92.31％. During the designated production period， the satisfaction rate of drug order was increased significantly， compared with non-designated production period. However， after the expiration of the designated production of drugs， the order satisfaction rate mostly declined， and satisfaction rate of some drug orders were even lower than that before designated production. Average satisfaction rate of drug order in third level medical institution was higher than those of second level， first level or primary medical institutions. During designated production period， the average satisfaction rate of drug order in designated production manufacturers to medical institutions at all levels was higher than during non-designated production period or in non-designated production enterprises. There are 5 kinds of reasons for supply problem of designated production and drug with same specification： the limited price is lower than the cost； the production is stopped due to raw material； the production is stopped because of enterprise； the medical insurance payment price is far lower than the supply price； the hospital demand is small. CONCLUSIONS： The designated production pilot policy has played a significant role in improving the shortage of drug supply， but it still needs to be improved by establishing a dynamic adjustment mechanism for the scope， price and duration of designated drug production.