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OBJECTIVE To mine the focus and emotional attitude of the public on rare diseases， and to provide decision- making reference for relevant departments to formulate and implement relevant policies， systems and strategies for medical security of rare diseases. METHODS Latent Dirichlet allocation （LDA） topic model and sentiment analysis method were used to analyze the comment text of short videos related to the “nosinasine” medical insurance admission event on the Bilibili video website， mine the theme and sentiment tendency of the text， and put forward relevant strategy suggestions. RESULTS A total of 8 videos with tens of thousands of playback and 7 109 text data were obtained. According to the LDA analysis， online public paid attention to 9 topics related to rare diseases （the price of rare disease drugs， the inclusion of rare disease drugs in medical insurance， the status quo of research and development of rare disease drugs， the scope of medical insurance and the medical security system， the plight of rare disease patients， the prevention and screening of rare diseases， the value of rare disease drugs in medical insurance， the Chinese and western medical methods of rare diseases， and the supply and demand status of rare disease drugs）， which could be summarized into 4 categories according to the objects of concern （rare disease drugs， rare disease medical insurance， rare disease medical and health services and rare disease patient groups）. On the whole， the emotional tendency of the Internet public towards each topic showed a low positive and high negative tendency. CONCLUSIONS The public paid more attention to the price， research and development， supply and demand of rare disease drugs， and was deeply worried about the current medical status of rare diseases in China. To strengthen and improve the medical security for patients with rare diseases， such as actively carrying out public health services for rare diseases， strengthening cooperation in the diagnosis and treatment of rare diseases， and researching rare disease drugs， etc. Chinese medical and health departments can make concerted efforts in medical and health services， drug supply security， medical security and other social security.
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Thanks to the comprehension of health data literacy courses in medical colleges and universities at home and abroad, this paper proposed a multi-level health data literacy education system featuring knowledge maps for undergraduates, postgraduates and students majoring in medical informatics, from basic knowledge of health data, basic technology of knowledge maps, analysis methods and tools, application of knowledge maps and health data ethics. The study results have positive significances for improving students' data processing ability in medical colleges and universities, and promoting medical development fundamentally.
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OBJECTIVE： To systematically review the efficacy and safety of colesevelam hydrochloride combined with other hypoglycemic drugs in the treatment of T2DM， and to provide evidence-based reference for clinical treatment of T2DM. METHODS： Retrieved from PubMed， Embase， Medline， Cochrane Library， CJFD， VIP and Wanfang database during database establishement-Jul. 2019， randomized controlled trials （RCT） about the efficacy and safety of colesevelam hydrochloride combined with other hypoglycemic drugs （trial group） vs. placebo or other hypoglycemic drugs （control group） in the treatment of T2DM were collected. After extracting data from clinical studies that met the inclusion criteria， the quality of the studies was evaluated by Cochrane System Evaluator Manual 5.1.0. Meta-analysis was conducted by using Rev Man 5.3 statistical software in respects of the levels HbA1c， FPG， LDL-C， the incidence of total ADR， incidence of hypoglycemia and incidence of gastrointestinal ADR. RESULTS： A total of 11 RCTs were included， involving 2 625 patients. Results of Meta-analysis showed that HbA1c levels [MD＝－0.37， 95％CI（－0.51， －0.22），P＜0.001]， FPG level [MD＝－0.47， 95％CI（－0.88， －0.07）， P＝0.02] and LDL-C level [MD＝－0.38， 95％CI（－0.49， －0.28）， P＜0.001] in trial group were significantly lower than control group， with statistical significance. In terms of safety， the incidence of total ADR [OR＝1.24， 95％CI（1.06， 1.45）， P＝0.007] and gastrointestinal ADR [OR＝1.78，95％CI（1.05， 3.02），P＝0.03] in trial group were significantly higher than control group， with statistical significance. There was no significant difference in the incidence of hypoglycemia [OR＝1.03， 95％CI（0.62，1.72），P＝0.90]. CONCLUSIONS： Colesevelam hydrochloride combined with other hypoglycemic drugs can effectively reduce the levels of HbA1c， FPG and LDL-C in T2DM patients， but attention should be paid to the occurrence of gastrointestinal ADR.
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Objective To reveal the subjects and hotspots in domestic studies on information behaviors by analyzing the domestic papers on information behaviors. Methods The key words in domestic papers on information behaviors were analyzed by factor analysis and co-word clustering analysis with the structure of subjects in domestic studies on information behaviors elaborated. Results The domestic studies on information behaviors were focused on the fol-lowing 12 aspects, such as information literacy, network information behaviors, information behavior model, infor-mation dissemination, and information service in libraries. Conclusion The hotspots in domestic studies on informa-tion behaviors are characterized by the various objects, scattered subjects, and balanced degrees.
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The functions of the top 15 medical APP were compared.Their major functions of medical advice, information service and medical service were analyzed.The key functions of mobile medical APP used in China were described with suggestions for their development.
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After the management models of chronic diseases were described and the disadvantages of traditional management model of chronic diseases and Internet + management model of chronic diseases were summarized, the whole course management-basedInternet+ management model of chronic diseases was proposed according to the studies on and the implementation of Internet + management model of chronic diseases with its connotations studied in order to better service its users.
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Librarians play a key role in the library information ecosystem.Librarians and library users interact and influence each other in process and use of information.Tagging defined by network users is used in description of words and phrases in different information resources.When it is used in library, user-oriented service will become the target of information service, and the role of information service persons, information organization methods and information low efficiency will change.However, rational planning of ecosystem, rational control of tagging, and improvement of librarian information literacy can reduce the negative effect of tagging.
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Social tagging, as an important method for organizing network resources, has been widely applied in different kinds of website with the development of Web2.0 technologies.Proposed in this paper are the suggestions for promoting the better development of healthsocial networks, such as establishing social login model, developing tag library, constructing tag automatic classification system, implementing personal recommendation system, analy -zing tag semantemes , and limiting users login rights according to the application of social tagging in health social networks and related problems needing to be solved .
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Objective To reveal the main authors, institutions and countries and analyze their cooperation models by plotting the cooperation network knowledge map of highly cited papers on diabetes mellitus published in 2004-2013 .Methods The cooperation network knowledge map was plotted using the visual software Citespace for the au-thors , institutions and countries that published highly cited papers on diabetes mellitus in 2004-2013 .Results The core authors were Graham Nichol, SM Grundy and Hertzel C.Gerstein, etc.The cooperation in teams was close while the cooperation between teams was rare.The core institutions were Harvard University, Brigham and Womens Hospital, University of Sydney, etc.Universities played the important role in scientific research.The most influential countries were USA, Britain and Canada which had a very close cooperation between each other.Conclusion Single point type, double core type, development type and complete type are the cooperation models of authors, institutions and countries that published highly cited papers on diabetes mellitus in 2004-2013.Geoproperty-and institutional property-based cooperation is still in its infancy, cooperation and exchange should thus be strengthened between cities, between universities, between medical institutions , between general institutions and scientific institutions .
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Tag, similar to a keyword and belonging to a non-controlled term, is a marking language, and can be freely marked by its users, thus playing a role in organization of information resources.Social tagging, a tag created by network users and added to the resources they concerned, has become one of the important methods for the network information resources organizing system to organize and mange resources.Suggestions were thus put forward in this paper for improving the information retrieval function of future social tagging system by comparing its 3 functions and assessing its efficiency.
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Objective To investigate the relationship between p53,COX-2,Bax,c-myc genes and colorectal carcinoma complicated with chronic schistosomiasis. Methods One hundred and sixty patients with colorectal carcinoma were selected and divided into two groups;a schistosomiasis group(colorectal carcinoma complicated with chronic schistosomiasis,n=80)and a non-schistosomiasis group(colorectal carcinoma uncomplicated with chronic schistosomiasis,n=80). The tissue microarray tech-niques and immunohistochemistry method were used in all the patients to detect the expressions of p53,COX-2,Bax and c-myc proteins. Results The positive rate and level of p53 protein expression in the schistosomiasis group were lower than those in the non-schistosomiasis group,but there were no significant differences between the two groups(both P>0.05). The COX-2 protein in both groups was positive,but the positive expression level of COX-2 in the schistosomiasis group was higher than that in the non-schistosomiasis group,and there was a significant difference between the two groups(P0.05). The positive rate of c-myc expression in the schistosomiasis group was higher than that in the non-schistosomiasis group,with a significant difference(P<0.01),but the positive expression level was lower than that in the non-schistosomiasis group,and there was a significant difference between the two groups(P<0.01). Conclusions Schistosome infection may impact on the deficiency of p53 of human colorectal cancer cells. It may promote the excessive expression of COX-2 protein,which is an indirect carcinogenic factor. The expression of Bax gene has no correlation with schistosome infection. The schistosome chronic infection may cause a persistent low level expression of c-myc gene.
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The medical mobile learning platform was constructed according to the information need of teachers and students in Shanxi Medical University, Changzhi Medical College, and Fenyang Medical College.The teaching and learning resources in Shanxi Medical University were integrated into the platform which could thus provide a variety of interactive learning ways for its users and users could rapidly find out their interested information resources. However, the platform construction needs the implementation of incentive measures, and regulations and rules for the protection of intellectual property rights.
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Communication barriers between doctors and patients are the main reasons leading to contradictions between doctors and patients. The paper analyzes the existing barriers in the information communication process, including language barrier, time barrier and communication psychological barrier, some possible strategies of dredging are proposed such as popularizing the medical information, establishing communication mechanism between doctors and patients, and improve the communication ability of doctors.
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Along with the quickly popularization of Internet, the literature resource sharing mode in library has been changed. The paper introduces the current development of it, including interlibrary loan, document delivery, IC card service, proposes shortcomings and ideas for the further development of literature resource sharing.