国内学者眼科领域系统评价和Meta分析在SCI期刊的发表情况

目的 统计分析目前国内学者在SCI期刊发表的眼科领域系统评价和Meta分析论文情况，为今后发表此类研究提供参考。设计 描述性研究。研究对象 在PubMed、EMBASE及Cochrane library三大数据库中收录的所有眼科领域的系统评价和Meta分析论文。方法 系统检索PubMed、EMBASE及Cochrane library三大数据库。检索时，限定研究对象为人类，语言为英语，检索时间截止到2017年1月30日。通过阅读标题、摘要及全文，排除重复及不相关研究，将最终符合条件的研究按作者来源、发表年限、疾病类型等进行归类分析。主要指标 作者来源、发表年限、疾病类型。 结果 三大数据库共检索到10 551条题录（PubMed 4214，EMBASE 6155，Cochrane library 182）。排除重复及不相关研究后，最终符合条件的系统评价和Meta分析442篇。此类研究最早发表于2004年，按年发表量排名，前三名分别是：2015（100篇，22.62%）、2014（91篇，20.59%）、2016（90篇，20.36%）。共有来自52个城市的作者参与发表过此类研究，前三名城市分别是：上海（95篇，21.49%）、北京（45篇，10.18%）、广州（38篇，8.60%）。共有126种杂志发表此类研究，前三名杂志分别是：PLoS One (79篇，17.87%)、Molecular Vision（16篇，3.62%）、BMC Ophthalmology（15篇，3.39%）。研究内容以视网膜疾病最多，前三名疾病分别是：视网膜疾病（168篇，38.01%）、青光眼（95篇，21.49%）、屈光手术（47篇，10.63%）。定性系统评价17篇（3.85%），Meta分析425篇（96.15%）。在Meta分析中干预性研究177篇，观察性研究248篇，后者以基因相关研究（137篇）、危险因素（84篇）为主。结论 国内学者在眼科领域系统评价发表量逐年增多，作者主要集中于国内大城市，尤其是上海和北京，研究热点主要是视网膜疾病、青光眼，非干预性研究发表量已超越干预性研究，其中以基因相关研究及危险因素研究为主。     

我国88家医学期刊编辑部伦理意识现状调查与组合评价

目的：了解我国医学期刊的编辑部伦理意识现状。方法：采用自制问卷调查88家医学期刊编辑部的伦理 意识。通过文献分析、系统分析和两轮专家咨询确定了5个维度：投稿须知、初审阶段、外审阶段、稿件处理阶段、 教育与培训;包括11个指标的评价体系。通过专家打分法确定指标的权重,采用层次分析法、TOPSIS法、秩和比法 对编辑部伦理意识状况进行组合评价。结果：56家(63.6%)期刊在2010年的投稿须知中尚无涉及人的生物医学研究的 伦理学要求。我国88家期刊中编辑部伦理意识为上档的有14家(15.9%),中档有45家(51.1%),下档有29家(33.0%)。 不同主管部门的期刊在投稿须知、外审阶段2个维度的得分上差别有统计学意义(HC分别为10.175和7.305,P<0.05); 不同数据库来源的期刊在投稿须知、初审阶段、外审阶段、稿件处理阶段4个维度的得分上差别有统计学意义(HC 分别为11.951,7.661,6.146,8.085,P<0.05);不同数据库来源期刊的综合评价分档结果有统计学意义(HC=6.109, P<0.05)。3种方法评价结果高度相关。结论：国内医学期刊编辑部对涉及人的医学研究的伦理意识有待提高。综合评 价方法的组合评价较采用单一方法评价,结果更可靠、更贴近实际情况。     

《临床心电学杂志》载文被引分析研究

目的从文献引证的角度了解《临床心电学杂志》的学术水平和期刊质量。方法依据中国生物医学期刊引文数据库(CMCI),采用文献计量学方法对《临床心电学杂志》载文被CMCI来源期刊引用的情况进行统计分析及评价。结果载文被引1779次,单篇论文平均被引次数为3.24次,被引作者群的地域分布27个省、市和自治区,北京、上海、安徽等地区居于前列,有356种期刊引用该刊。结论该刊是我国心电学医学研究领域重要的信息源之一,是我国医学领域的主要核心期刊。     

Clarivate listed nursing journals in 2020: what they publish and how they measure use of social media

Objectives: To investigate what the most common types of articles that nursing journals purport to publish are and what they actually publish. And to investigate the extent to which academic nursing journals listed by Clarivate track alternative metrics.Methods: Journals included in the nursing Journal Citation Report (JCR) journal category in 2019 described as nursing were identified and considered suitable for inclusion in the analysis. Instructions for authors were reviewed online and mention of each type of article is identified. The tables of contents of each issue of each journal published during 2019 were examined and the types of articles published were extracted to a spreadsheet into permitted article types and published articles. Likewise, the use of alternative metrics by each journal was extracted to a spreadsheet. Pearson's and Spearman's correlation analysis was applied to investigate the relationship between articles permitted and articles published.Results: In the 2020 JCR, 123 journals were listed. The most common article type permitted was original research (n = 117),followed by review papers (n = 116), and discussion papers (n = 63). Original research (n = 7045); review papers (n = 1268);discussion papers (n = 1225); editorials (n = 793) and commentaries (n = 776) were the most commonly published categories of the article. Of journals examined, 108 (96.8％) tracked mentions on social media and the Altmetric score was most commonly used (75％). There was a strong correlation (r = 0.73; P = 0.002) between the numbers of articles permitted and published and a strong correlation (ρ = 0.86; P < 0.001) in terms of the rankings of the permitted and published articles.Conclusions: There is a relationship between the most frequently permitted article types and those published, especially for the most frequent categories of both. Original articles, review papers, and discussion papers are the backbone of academic publishing in nursing with original articles vastly outweighing review and discussion papers. Most Clarivate listed journals now use some method of tracking alternative metrics indicating how seriously publishers take their social media profiles.     

我国护理期刊学术影响力排名分析

[目的]分析我国护理期刊学术影响力排名,综合评价我国21种护理学统计源期刊学术影响力。[方法]以2014年版《中国科技期刊引证报告》(扩刊版)中21种护理期刊为研究对象,以总被引频次、影响因子、他引总引比、高被引论文数、来源文献量、平均引文数、地区分布数、Web下载量共8项指标为依据,赋予各项指标不同的权重,运用归一化加权法综合评价21种护理期刊的学术影响力。[结果]2014年21种护理学统计源期刊与全国6 345种科技期刊6项评价指标比较显示,总被引频次、影响因子、他引总引比、来源文献量、地区分布数5项评价指标均显著高于科技期刊平均水平,但平均引文数显著低于我国科技期刊的平均水平;运用多指标归一化加权法得出21种护理学统计源期刊的综合值,排名前5位的依次为《中华护理杂志》《护理研究》《中国实用护理杂志》《护士进修杂志》和《护理学杂志》;将本研究护理核心期刊排名情况与《中国科技期刊引证报告》进行比较,部分期刊在2个评价体系中排名有不同程度的上升或下降,存在综合值排名与影响因子排名分离的现象。[结论]我国护理期刊整体影响力较科技期刊平均水平高,但护理科研论文质量较其他科技期刊存在较大差距;运用多指标数据归一化加权法综合评价我国21种护理学统计源期刊的学术影响力,能作出全面、科学、准确的评价,真实反映护理期刊的影响力,能够为护理学术期刊自身发展及提高期刊影响力提供改进方向。     

A review of journal clubs in postgraduate medical education

OBJECTIVE: To review the goals, organization, and teaching methods of journal clubs, summarize elements of successful clubs, and evaluate their effect on reading habits, and effectiveness in meeting teaching goals. Examples of clubs that utilize principles of adult learning are reviewed. DATA SOURCES: English language articles identified through a MEDLINE search (1966–1997) using the MeSH terms “internship” and “residency,” and text words “journal club” and “critical appraisal.” STUDY SELECTION: Articles on learning goals and organization were included if they represented national or regional surveys with a response rate of 65% or greater. Articles that evaluated teaching effectiveness were included if they used a controlled, educational design, or if they exemplified important adult learning principles. DATA EXTRACTION: Data were manually extracted from selected studies and reviews. DATA SYNTHESIS: A major goal for most clubs is to teach critical appraisal skills. Clubs with high attendance and longevity are characterized by mandatory attendance, availability of food, and perceived importance by the program director. Residents who are taught critical appraisal report paying more attention to the methods and are more skeptical of the conclusions, and have increased knowledge of clinical epidemiology and biostatistics, but studies have failed to demonstrate that these residents read more, or read more critically. Reading guidelines may be useful for teaching critical appraisal skills, and may be associated with increased resident satisfaction. CONCLUSIONS: Journal club formats are educationally diverse, can incorporate adult learning principles, and are an adaptable format for teaching the “new basic sciences.” Received from the Department of Medicine, University of Florida, Gainesville.     

医学类科技期刊应对新型冠状病毒肺炎(COVID-19)的策略分析——以《首都医科大学学报》为例

2020年,突如其来的新型冠状病毒肺炎(COVID-19)疫情严重危害人民的身体健康并影响正常的工作和生活,本研究通过分析总结《首都医科大学学报》编辑部疫情期间的应对方法,探讨医学类科技期刊应对此类突发公共卫生事件策略,以期更好地发挥自身高校科技期刊学术展示窗口优势,快速发布最新科研和临床研究成果。     

Experimental and Analytical Performance Evaluation of Short Circular Hydrodynamic Journal Bearings Used in Rotary Blood Pumps

Rotary blood pumps (RBPs) have demonstrated considerable promise while treating heart failure patients, such that they are being placed at an earlier stage of the disease. These devices may therefore be required to operate for prolonged durations which yields the need for RBPs exhibiting high durability, reliability, and blood compatibility. Noncontacting bearings, utilizing magnetic and/or hydrodynamic suspension techniques, appear to provide a suitable solution to these challenges. Hydrodynamic suspension has the advantage that it does not need feedback control systems. Among various hydrodynamic bearing types, the circular journal bearing has the particular benefit of easy manufacturing. This study presents methods to evaluate the performance of short (length to diameter ratio <1) circular hydrodynamic journal bearings (HJBs) for RBPs. Analytical calculations with specific boundary conditions are presented to predict the rotor's eccentricity under equilibrium states and thus the related performance parameters such as load capacity, power loss, and shear rates. These results and boundary conditions were confirmed experimentally in a specially designed test set‐up. The bearing performance was found to correlate to analytical solutions using the full Sommerfeld boundary condition instead of the half Sommerfeld condition conventionally used for such applications. Geometrical and operational parameter variations showed that HJB designs with a short Sommerfeld Number S_S >0.02 can provide sufficient fluid film thicknesses and low shear rates. The measurements were further used to evaluate the bearings' stability. The estimation of the stability threshold drawn in relation to a modified stability index and the equilibrium eccentricity of the rotor allows the prediction of stability for short circular HJB designs under full Sommerfeld condition.     

The Policy of Co–First Authorship and Co–Senior Authorship in Radiology Journals

ObjectiveIncreasingly, medical journals are recognizing “equally credited authors” (ECA) in the primary and senior authorship of articles. The aim of this study was to assess the policies of co–first authorship, co–senior authorship, and designation of a corresponding author in the radiology literature.MethodsWe identified 29 radiology journals based on impact factor ranking. Journal offices were contacted by phone and e-mail to ascertain their practices on first and senior authorship ECA designations. We surveyed the March, June, and December 2018 issues of each journal (when available) to assess the utilization of the co-designations in articles.ResultsTwenty-five of 29 journals responded to our survey (response rate: 86.2%). Of 25 journals, 20 (80%) allowed co–first authorship. Among these, 4 of 25 journals (16%) allowed more than two co–first authors. Among the 25 responses, 14 journals (56%) allowed co–senior authorship. Among the 24 journals who responded to this specific question, 23 (96%) approved designation of a corresponding author, different from the first or senior author. The review of March, June, December 2018 editions found co–first authorship and co–senior authorship ECA rates of 8.6% (range 0.0%-22.7%) and 1.8% (range 0.0%-13.3%), respectively. A corresponding author other than first or senior author was noted in 13.3% (range 0.0%-34.7%).DiscussionThere has been widespread acceptance of the concept of ECA in the policies of the top cited imaging journals particularly for first authors (80%). However, the utilization of these designations is uncommon for first authorship (8.6%) and rare (1.8%) for senior authorship based on our 2018 sampling.