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Objective:To realize the characteristics of postgraduate students applying for Peking University Third Hospital and to explore the strategies to improve the enrollment quality on the background of "Double first-class".Methods:Enrollment data from 2015 to 2019 of the Peking University Third Hospital was statistically analyzed by SPSS 17.0 software. For variables that did not conform to the normal distribution, median and quartile were utilized for description. Mann-Whitney U test was utilized for comparison between admission group and non-admission group. For the counting data, number of cases and proportion were utilized for description. The comparison between groups was performed by chi-square test or Fisher precision test. All tests were two-sided and had a significance level of 0.05. Results:The average enrollment ratio was 4.9∶1. The overall admission rate of first choice was 76.9% (450/585), which kept increased steadily, and the gap between national key clinical specialties and non-key specialties was narrowed. The geographical distribution of students was mainly in north China (30%, 175/585) and east China (28%, 164/585). The admission group had characteristics of high score of CET-6 (505 vs. 480, Z=-5.86, P<0.001) and young age (24 vs. 25, Z=-8.15, P<0.001). The proportion of "985", "211" or "Double first-class" universities, patents invention, conference speeches and high level awards in admission group was higher than that in non-admission group. Conclusion:Sustainable policies should be taken to constantly improve the quality of enrollment including establishing sound mechanism of discipline adjustment and optimization, increasing the publicity of enrollment nationwide, and strengthening the selection of the comprehensive ability of students centered on the construction of first-class disciplines.
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Objective:To explore the difficulties and measures of clinical medical postgraduates management during the national prevention of COVID-19 pandemic.Methods:This study mainly used the document review, interview and questionnaire survey methodologies, to investigate the clinical medical postgraduates school situation, online teaching, training, scientific research, psychological state during prevention of COVID-19 emergency.Results:Up to February 14, 2020, the return rate of professional degree postgraduates was 92.8% (256/276). The average score of postgraduates participating in epidemic prevention and control training was 86.59. The effect of online learning was basically the same as that of face-to-face classroom teaching. Up to March 6, 2020, the in-hospital submission rate of postgraduates’ thesis was 50.0% (65/130). Facing the pressures of COVID-19 emergency, 62.6% professional degree postgraduates (124/198) and 35.4% (70/198) academic postgraduates suffered some anxiety or depression, the difference was statistically significant ( P<0.05). Conclusions:During the COVID-19 prevention and control period, it is important to innovate work style, found the linkage system of education department-clinical department-tutor-postgraduates, pay attention to physical and mental health of postgraduates, ensure the quality of teaching, adopt various measures to do well in the education and management of clinical medical postgraduates.
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The training of residents majoring in ultrasound needs not only to pay attention to the teaching of speculative knowledge,but also to "look at pictures and talk",which is based on a large number of diagnostic ultrasound cases,training the residents to find,discover and discriminate the lesions from the ultrasonic images to finally form a sharp recognition and diagnosis ability.This study used the instant messaging tool WeChat to establish a virtual learning platform and implement a case based teaching process through this platform,which can avoid the limitations of time and space,and make the communication between teachers and students faster.According to the questionnaire survey,residents generally believed that the training mode can effectively improve learning efficiency and professional ability and hope to add this training mode to the basis of traditional teaching mode.The results of resident case analysis showed that the diagnostic accuracy of residents gradually increased during the training process.The model of WeChat platform combined with case teaching can provide new ideas and methods for standardized training of resident doctors in ultrasound specialty.
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Objective To investigate how build a comprehensive basic theory training curriculum for residents.Methods Random questionnaire survey of residents,along with a forum of experts to explore an optimal basic theory training curriculum for residents.Results 71.9％ of the residents surveyed were satisfied with the basic theory training curriculum,14.9％ proposing training time be adjusted to evenings or weekends,and 8.8％ proposing to adjust the training content.Conclusion A diversified reform on the training content,training time,training teachers,management and teaching evaluation aspects.These will help building a comprehensive and practical,standardized and reasonable basic theory curriculum,in order to effectively improve the quality of residency training.
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Chitosan is a polymer with good biocompatibility, unique pH-responsive solubility, convenient modification and easier film-formability. Chitosan could serve as an active mediator between biological components and microfabricated devices to prepare biological micro electro mechanical systems (BioMEMS) with high selectivity and sensitivity. Recently, there has been a growing interest in BioMEMS based on biofabrication of chitosan. We reviewed the mechanisms and processes of three biofabrication methods based on chitosan, including directed assembly, enzymatic assembly and self-assembly. Current applications and research progress in biological, medical and environmental fields are also discussed. Finally, future research directions are prospected.