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【Objective】 To review the scientific research advances in the field of preschool children′s nutrition from 2012 to 2022, in order to provide reference for relevant policy formulation and further scientific exploration in this area. 【Methods】 High-quality literature published both domestically and internationally between 2012 and 2022 was retrieved through Web of Science (WOS) and China National Knowledge Infrastructure (CNKI) database. Excel and CiteSpace software were applied to visualize the research hotspots and frontier trends. 【Results】 A total of 1 816 English articles and 110 Chinese articles were included in the analysis. The cooperation network density of research institutions and authors was found to be low. Excluding the search terms, the top three English keywords were vitamin A (0.74), intervention (0.67), obesity prevention (0.55); the top three Chinese keywords were "anemia" (0.41), "obesity" (0.38), and "nutritional status" (0.18). In Chinese and English clusters, "anemia" and "physical activity" ranked first, respectively. The latest burst words identified were "dietary pattern" and "diet quality". 【Conclusions】 The number of English literature published in the field of preschool children′s nutrition is increasing, but it has shown a downward trend in the past three years in China. There are few studies in this field in China. The research hotspots primarily focus on the nutritional status of preschool children, with less attention paid to intervention research and methodological exploration. Further research in the field of preschool children′s nutrition in China may need to focus on the external determinants of preschool children′s nutrition, such as parental education, diet and food supply.

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OBJECTIVE: To evaluate the effectiveness and safety of Xuebijing injection (XBJ) on coronavirus disease 2019 (COVID-19) in patients. METHODS: Related studies on multiple biological databases and websites were searched up to December 11, 2021 without language and publication time restrictions. Review Manager V.5.3 and Stata 14 software were used for data analysis. RESULTS: Seven studies were finally included. The Metaanalysis showed that compared with the routine treatment alone, XBJ combined with the routine treatment can reduce the 28day mortality ( = 0.3, 95% : 0.12, 0.74), Creactive protein ( = -12.8, 95% : -23.13, 3.46), erythrocyte sedimentation rate ( = -9.32, 95% : -14.66, -3.98) and interleukin-6 (S = -0.6, 95% : -1.04, -0.17) levels and increase the leukocyte ( = 0.73, 95% : 0.42, 1.04) and lymphocyte count ( = 0.18, 95% : 0.07, 0.29) in peripheral blood; additionally, it has no obvious side effects ( = 1.11, 95% : 0.65, 1.9). There was no evidence that the XBJ combined therapy can improve the nucleic acid conversion rate and computed tomography improvement rate of COVID19 patients. CONCLUSIONS: Preliminary evidence suggests that XBJ combined with routine treatment seems to be more effective than routine treatment for patients with COVID19. Limited by the number and quality of included papers, this finding still needs further validation by more studies.

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Calcium oxalate (CaOx) stone is the main type, and its formation is closely related to the metabolism of oxalic acid and calcium. Gut Microbiome is normal microflora which settled in the human intestinal tract and plays an important role in regulating a variety of metabolism in the body. In the past, Oxalobacter formigenes in gut was a protective factor for the formation of CaOx stones. Recently, it has been found that the bacteria regulating oxalate metabolism were not limited to Oxalobacter formigenes. Gut Microbiome of CaOx stones formers is different from healthy people. It regulates the metabolism of oxalic acid in the body through the gut-kidney axis and affect the formation of CaOx stone. The purpose of this study is to describe the characteristics of intestinal flora in patients with CaOx stones, and to summarize its potential function in the formation of CaOx stones and its possible clinical application in the future.

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The COVID-19 pandemic has spread across the country negatively impacting on the economy. This paper uses the panel data of 14 prefecture-level cities from 2015 to 2020 in Hunan to determine the factors and effects of economic downturns based on the spatial econometric model. We calculate the Moran index, so-called the Moran's I, to analyse the impact of each factor on the economy. The results show that the spatial correlation of the cities around Chang-Zhu-Tan is high, and the economic growth of the entire province can be influenced by these cities. These cities should adopt strategies to improve the economy, such as reducing the tax revenues, improving the local financial revenues, and reducing the ineffective educational input. These results can also be helpful for policymakers, who will attempt to retransform the Hunan economy during the post-COVID era.

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There are two major problems in the clinical application of Traditional Chinese Medicine injection: inadequate instruction for clinical medication and unreasonable clinical application. The key of the problem is the lack of precise and evidence-based research. In view of the current problems, we should adopt the strategy of government drug administration department leading and gradually taking shape that a multi-collaboration platform of medical institutions, researchers and enterprises to jointly carry out precise and evidence-based research. The specific implementation path is the precise clinical positioning, improving monitoring and assessment system of adverse drug reactions. The medical institutions fully put into the evidence. Chinese medicine injection will be clear and specific in clinical location, with clear mechanism. Survival of the fittest enhances the core competitiveness of Chinese medicine injections and makes contributions to the cause of protecting human life and health.

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In clinical practice, the application of Traditional Chinese Medicine injections (TCMIs) has several problems, for example, at some time, the components are complicated, the ingredients and pyrogen are uncontrollable, the usage, the dosage, and the drug interactions are unclear and the method of application is also ambiguous and non-standard. The factors have restricted the development of TCMIs. Based on the policies of the TCMI package inserts since 2006, this paper takes consideration of the problems and gives suggestions of making strict, normal and evidence-based TCMI package inserts.

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This study introduces 5 methods of causality assessment of adverse drug reactions (ADRs) domestic and overseas. According to the assessment of ministry of public health of China, the key points about the relevance analysis have been illuminated for the post-evaluation of Chinese patent medicine. Under the guidance of the causality assessment, we should describe the ADR reports in detail and further detect the accurate ADR warning signals. In order to supplement the ADR information, more researches concerning the ADR mechanism should be fully explored.

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The herb-drug combination is becoming more and more common. The safety evaluation method is a complex evaluation system. This paper analyzed Pubmed database from 2008 to 2018, and summarized the characteristics of safety evaluation method, and the characteristics are listed as below: (1) Exposure safety issues in real world; (2) The combination use is complex and difficult to evaluate. There are the existing safety assessment methods including literature induction, prospective test, questionnaire survey, etc. Although safety evaluation has been carried out from different angles, there is still a lack of comprehensive and reasonable safety evaluation method. The team tried to combine clinical phenotype and mechanism characteristics to provide more reasonable methodological support for clinical safety evaluation.

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Objective: To conduct a comprehensive and systematic review of the efficacy and safety of Wenxin Keli (WXKL) in the treatment of atrial fibrillation (AF) . Methods: Seven databases (PubMed, The Cochrane Library, Web ofScience, CNKI, Wanfang Database, VIP and SinoMed) were searched to identify relevant randomized controlled trials (RCTs) from inceptions to 1 October, 2018. Two review authors independently assessed the methodological quality andanalyzed data by Cochrane handbook and the Rev Man 5.3 software. Begg.s test was conducted to assess publication biasvia Stata 14 software. Results: Twenty-four RCTs with 2246 patients were included in this review. Compared with blankcontrol, placebo or western medicine alone, WXKL alone or combined with western medicine could effectively reducerapid ventricular rate (MD=-7.14, 95％CI:-8.42——5.87), the frequency and duration of AF. It could also shorten thesinus rhythm conversion time (MD=-3.04, 95％CI:-3.47——2.61), increase the sinus rhythm conversion rate (RR=1.19, 95％ CI: 1.09～1.29) and decrease recurrence rate of AF (RR=0.28, 95％ CI: 0.13-0.59) . Besides, WXKL alone orcombined with western medicine was beneficial for improving the left ventricular ejection fraction (LVEF) (MD=3.44, 95％ CI: 0.87-6.01), left ventricular end diastolic diameter (LVEDD) (MD=-2.47, 95％ CI:-2.86——2.08), left atrialdiameter (LAd) (MD=-0.91, 95％CI:-1.58——0.25) and P wave dispersion (Pd) (MD=-4.04, 95％CI:-4.15——3.93) .WXKL combined with low-dose amiodarone was superior to conventional-dose amiodarone alone in improving themaximum P wave (Pmax) (MD=-8.25, 95％ CI:-10.33——6.17), and WXKL combined with conventional-doseamiodarone is more effective (MD=-13.10, 95％CI:-13.65——12.55) . Compared with the control group, the treatmentgroup had fewer adverse reactions, and the Begg.s test did not find any publication bias. Conclusion: WXKL alone orcombined with western medicine exhibited better therapeutic effects in the treatment of AF, but these results still needhigh-quality evidence to verify.

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Objective To explore the developmental tendency of eco-migrant children's extroversive behavior and the relationship between extroversive behavior and personality and family environment.Methods 856 eco-migrant children(aged 6-16)participated in the present longitudinal study.At first time the Child behavior checklist(CBCL),Eysenck personality questionnaire (EPQ) and Family environment scale (FES) were used to assess their behavioral problems,personality and family environment.Participants' parents subsequently completed measures assessing behavioral problems every nine months for 27 months.Data were analyzed using hierarchical linear modeling analyses.Results The scores of extroversive behavior in eco-migrant children were(10.09±7.11) at first time,(7.66±7.56) at the second wave,(8.54±7.49)at the third wave and(8.11±7.33) at the last time.During the longitudinal period,the descending trend of eco-migrant children's extroversive behavior was significant (β=-0.51,P＜0.05).The scores of psychoticism,neuroticism,family conflict,organization,cohesion and cultural factors were differently correlated with children's extroversive behavior (β=-0.67-0.32,P＜0.05).Family conflict predicted the developmental trend of children's externalizing (β=-0.46,P＜0.05).Conclusion During the longitudinal period,the level of eco-migrant children's extroversive behavior decreased,and personality and family environment have significant influences on it.

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<p><b>OBJECTIVE</b>To investigate the detection rate and correlates of behavioral problems among eco-migrant children in Hui and Han ethnicities.</p><p><b>METHODS</b>Using multistage randomized sampling method, 2 653 eco-migrant teenagers, 3 174 indigenous and 2 334 homeland peers were selected. Their parents were asked to finish the Achenbach's Child Behavior Checklist (CBCL) and a self-developed correlates questionnaire.</p><p><b>RESULTS</b>765 eco-migrant children with behavioral problems were detected, with detection rate as 28.8%, higher than that of homeland group (24.2%) and native group (19.3%) (χ(2) = 73.547, P < 0.012 5). Ecological migration mainly influenced factors as bad contacts, depression, obsessive-compulsive, discipline, attack for boys aged 6-11, bad contacts for boys aged 12-16 and extraversion behavioral problems for girls aged 12-16, in Hui. These factors both associated to eco-migrant children's behavioral problems in Hui and Han:cesarean section (OR = 1.863, 95% CI:1.144-3.035, for Han) and (OR = 2.979, 95% CI:2.067-4.293, for Hui), physical defects (OR = 1.730, 95%CI:1.087-2.751, for Han) and (OR = 2.552, 95%CI:1.649-3.950, for Hui), arable as a main income way(OR = 1.272, 95%CI:1.066-1.518, for Han) and (OR = 1.212, 95%CI: 1.033-1.422, for Hui), parents' education level above middle school (OR = 0.709, 95% CI: 0.539-0.932, for Han) and (OR = 0.698, 95%CI: 0.542-0.898, for Hui), parents' frequently in good mood (OR = 0.710, 95%CI:0.613-0.821, for Han) and (OR = 0.826, 95%CI:0.718-0.949, for Hui). However, major diseases in the process of growth (OR = 1.794, 95% CI:1.163-2.767), and parents with chronic illness or disability (OR = 1.463, 95% CI:1.061-2.016) only associated with that in Han;single-parent or remarried families(OR = 1.583, 95% CI:1.078-2.325), parents often drinking (OR = 1.557, 95%CI:1.019- 2.379), the time of parents' work longer than half a year (OR = 1.494, 95% CI:1.197-1.864), parents' more content to life now(OR = 0.813, 95% CI:0.700-0.945), and children in older age (OR = 0.939, 95%CI:0.889-0.991) only related to that in Hui.</p><p><b>CONCLUSION</b>The eco-migrant children showed a low state in mental health, especially among Hui peers, and the correlated factors were different in Han and Hui, which was supposed to get great importance when taking effective intervention.</p>

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