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pOYAnaKruN" VI$wkD F\+ Fd7[)g `xBI@Oj PubMed Central (PMC) is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/NLM). The ratio between number of results per database combination and the total number of results for all databases, The ratio between precision per database combination and the total precision for all databases. Prior research on database importance for systematic reviews has looked primarily at whether included references could have theoretically been found in a certain database, but most have been unable to ascertain whether the researchers actually found the articles in those databases [10, 12, 16, 17, 26]. The three databases were searched for citations on topics selected by three nurse researchers and the results were compared. Based on the number of results per database both before and after deduplication as recorded at the time of searching, we calculated the ratio between the total number of results and the number of results for each database and combination. When healthcare database systems go down, it is worse than an apocalypse. We found that two databases previously not recommended as essential for systematic review searching, Web of Science and Google Scholar, were key to improving recall in the reviews we investigated. Note: With this limiter you will need to evaluate your results to determine what type of evidence each article contains. For a sample of 200 recently published systematic reviews, we calculated how many had used enough databases to ensure 95% recall. For 55 reviews, we determined the domain. To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy. Although we searched PubMed as supplied by publisher separately from MEDLINE in Ovid, we combined the included references of these databases into one measurement in our analysis. 2006 Jul;59(7):710-4. doi: 10.1016/j.jclinepi.2005.09.013. Cochrane CENTRAL is absent from the table, as for the five reviews limited to randomized trials, it did not add any unique included references. 2018. In the other 48%, the recall by Scopus was suboptimal, in one occasion as low as 38%. Where should the pharmacy researcher look first? Stroke. However, for one review of this domain, the recall was 82%. For example, around a third of the reviews (37%) relied on the combination of MEDLINE and Embase. This study also highlights once more that searching databases alone is, nevertheless, not enough to retrieve all relevant references. PubMed Imagine you are a patient with cancer and your doctor can't order your pain medication. 2013;66:10517. From a set of 200 recent SRs identified via PubMed, we analyzed the databases that had been searched. 9v[-[TkBaly.Ja%"uu'Nd&nNSevS}VXcS63#qN An official website of the United States government. Bramer WM, Rethlefsen ML, Mast F, Kleijnen J. Melissa Rethlefsen receives funding in part from the National Center for Advancing Translational Sciences of the National Institutes of Health under Award Number UL1TR001067. Objective: To review the literature on the benefits and disadvantages of clinical and medical audit, and to assess the main facilitators and barriers to conducting the audit process. Our experience has shown us that it is also impacted by the ability of the searcher, the accuracy of indexing of the database, and the complexity of terminology in a particular field. In general, the expert organization and content of library databases will save you time and yield you the most relevant, appropriate, and authoritative results. In general, we use the first 200 references as sorted in the relevance ranking of Google Scholar. Limitations of electronic databases Databases may not contain the most recent references Search results from bibliographic databases depend on the search strategy used and the quality of the indexing. 3099067 Systematic Reviews Review projects at Erasmus MC cover a wide range of medical topics, from therapeutic effectiveness and diagnostic accuracy to ethics and public health. Case studies may be prospective (in which criteria are established and cases fitting the criteria are included as they become available) or retrospective (in which criteria are established and cases are selected from historical records for inclusion in the study). The purpose of this research was to determine which of three databases, CINAHL, EMBASE or MEDLINE, should be accessed when researching nursing topics. Disadvantages of Databases 1. Google Scholar. disadvantages of cinahl database. For this study, we searched to achieve as high a recall as possible, though our search strategies, like any other search strategy, still missed some relevant references because relevant terms had not been used in the search. Bramer, W.M., Rethlefsen, M.L., Kleijnen, J. et al. The recall of the database combinations was calculated over all included references retrieved by any database. Even when taking into account that many searchers consider the use of Scopus as a replacement of Embase, plus taking into account the large overlap of Scopus and Web of Science, this estimate remains similar. Performance of a search can be expressed in different ways. Stevinson C, Lawlor DA. Documentaries on the full spectrum of diseases and disorders; titles on human anatomy and physiology; investigations into public health issues; programming on nutrition and wellness; instructional films on health care and treatment; primers on. This method of literature searching and a pragmatic evaluation thereof are published in separate journal articles [21, 22]. Bull Med Libr Assoc. <>>>
Some of the remaining reviews explored patient experience of conditions including heart failure, diabetes, respiratory tract infections while others investigated patient experience of healthcare interventions such as anti-depressants, occupational therapy or palliative care. Syst Rev. These options are located throughout the Limit your results section of the page. "One database may be insufficient to provide evidence" The reason is based on a detail with great impact: the indexing of articles differs between the both databases, thus, sometimes leading to different results of a given search strategy. Int J Technol Assess Health Care. The purpose of this research was to determine which of three databases, CINAHL, EMBASE or MEDLINE, should be accessed when researching nursing topics. Nursing & Allied Health SourceTM provides users with reliable healthcare information covering nursing, allied health, alternative and complementary medicine. Using the prospectively recorded results and the studies included in the publications, we calculated recall, precision, and number needed to read for single databases and databases in combination. We estimate that 60% of published systematic reviews do not retrieve 95% of all available relevant references as many fail to search important databases. official website and that any information you provide is encrypted 2 -
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*@WsWTy._,i@R(ay>EK4J=z}8S6(Cw viV%Q%bs-&{ Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. Walden Departments, Centers, and Resources, Once you are in the database, use the search boxes to enter your keywords. 2017. doi:10.1002/jrsm.1279. This research goes beyond retrospectively assessed coverage to investigate real search performance in databases. We documented the department of the first author. Ignoring one or more of the databases that we identified as the four key databases will result in more precise searches with a lower number of results, but the researchers should decide whether that is worth the >increased probability of losing relevant references. This site needs JavaScript to work properly. In that case, Google Scholar might add value by searching the full text of articles. Click in the check box below Research Article to select this option. Posted on 16 December 2021 - 7:39 pm by . PubMed Unable to load your collection due to an error, Unable to load your delegates due to an error. To compare our practice of database usage in systematic reviews against current practice as evidenced in the literature, we analyzed a set of 200 recent systematic reviews from PubMed. Based on these, we determined the percentage of reviews where that database combination had achieved 100% recall, more than 95%, more than 90%, and more than 80%. Searching only Embase produced an NNR of 57 on average, whereas, for the optimal combination of four databases, the NNR was 73. Once you have set up your search, here is how you can limit your results to only case studies: CINAHL Plus with Full Text offers a number of filters or limiters that can help you find only specific types of studies. Conclusion using CINAHL alone. Most reviews did not limit to certain study designs, 9% limited to RCTs only, and another 9% limited to other study types. J Clin Epidemiol. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. HHS Vulnerability Disclosure, Help Literature search parameters marginally improved the pooled estimate accuracy for ultrasound in detecting deep venous thrombosis. Of the 11 references included in this review, one was found only in Google Scholar and one only in Web of Science. Of the individual databases, Embase had the highest overall recall (85.9%). The databases avail-able include the Cochrane Collaboration, Medline (in various forms such as PubMed), Best Evidence10and Embase.The most widely used and most often recom-mended database isMedline. https://doi.org/10.1186/s13643-017-0644-y, DOI: https://doi.org/10.1186/s13643-017-0644-y. statement and New candidate terms are added to the basic search and evaluated. CINAHL provided the majority of relevant articles for the second search, on computers and privacy, but inclusion of MEDLINE and EMBASE enhanced retrieval somewhat. Our experience in this study shows that additional efforts, such as hand searching, reference checking, and contacting key players, should be made to retrieve extra possible includes. Researchers planning a systematic review generally perform one review, and they need to estimate the probability that they may miss relevant articles in their search. 2005;58:86773. Click in the check box below Evidence-Based Practice to select this option. Of all reviews in which we searched CINAHL and PsycINFO, respectively, for 6 and 9% of the reviews, unique references were found. Ahmadi M, Ershad-Sarabi R, Jamshidiorak R, Bahaodini K. Comparison of bibliographic databases in retrieving information on telemedicine. All authors have approved the final manuscript. What is lost when searching only one literature database for articles relevant to injury prevention and safety promotion? Furthermore, it is time-consuming for reviewers who have to screen more, and likely irrelevant, titles and abstracts. Searching additional databases except PubMed are necessary for a systematic review. J Med Libr Assoc. how to send secure email attachments in gmail. PubMedGoogle Scholar. The contribution of databases to the results of systematic reviews: a cross-sectional study. Previous studies have investigated the added value of different databases on different topics [8,9,10,11,12,13,14,15]. Bookshelf Moreover, in combinations where the number of results was greatly reduced, the recall of included references was lower. The major strength of our paper is that it is the first large-scale study we know of to assess database performance for systematic reviews using prospectively collected data. Although Embase covers MEDLINE, it apparently does not index every article from MEDLINE. Halladay CW, Trikalinos TA, Schmid IT, Schmid CH, Dahabreh IJ. The .gov means its official. There are disadvantages to using multiple databases. Figure1 shows the percentages of reviews where a certain database combination led to a certain recall. Perfect for researchers at all levels, this comprehensive consumer health resource provides authoritative information on the full range of health-related issues, from current disease and disorder information to in-depth coverage of alternative medical practices. There are also fewer of them, and they can be harder to find. Rathbone J, Carter M, Hoffmann T, Glasziou P. Syst Rev. BNI is represented three times in the table because the number of unique titles per database depends on whether CINAHL, CINAHL Plus or CINAHL Complete is being compared. To ensure adequate performance in searches (i.e., recall, precision, and number needed to read), we find that literature searches for a systematic review should, at minimum, be performed in the combination of the following four databases: Embase, MEDLINE (including Epub ahead of print), Web of Science Core Collection, and Google Scholar. [10] and van Enst et al. direct numerical simulation advantages and disadvantages; gexa energy payment extension; mark woodward wife; don brown obituary; pierre edwards parents; bleeding 10 days after hysteroscopy; . We are aware that the Cochrane Handbook [7] recommends more than only these databases, but further recommendations focus on regional and specialized databases. By closing this message, you are consenting to our use of cookies. Though we occasionally used the regional databases LILACS and SciELO in our reviews, they did not provide unique references in our study. A systematic approach to searching: how to perform high quality literature searches more efficiently. iOm3w]9`V>@X(xF$u,mA5US{^2w" `15p3SCzSM2w+! MEDLINE is a great resource for medical . J Clin Epidemiol. To identify whether our searches had found the included references, and if so, from which database(s) that citation was retrieved, each included reference was located in the original corresponding EndNote library using the first author name combined with the publication year as a search term for each specific relevant publication. LearningExpress Library features nearly 1,000 online tutorials, practice tests, and eBooks to help patrons of all ages. Future research should continue to investigate recall of actual searches beyond coverage of databases and should consider focusing on the most optimal database combinations, not on single databases. government site. One hundred and fifty-nine journals are uniquely indexed in BNI compared with the basic version of CINAHL. McKibbon KA, Haynes RB, Dilks CJW, Ramsden MF, Ryan NC, Baker L, Flemming T, Fitzgerald D. How good are clinical MEDLINE searches? Library users and staff use WorldCat Discovery to search the WorldCat database of electronic, digital and physical resources; to identify materials they need and to find out where they are available. The reviews covered a wide variety of disease, none of which was present in more than 12% of the reviews. Most of the selected UK nursing journals have earlier start and entry dates in CINAHL than BNI. In general, searches are developed in MEDLINE in Ovid (Ovid MEDLINE In-Process & Other Non-Indexed Citations, Ovid MEDLINE Daily and Ovid MEDLINE, from 1946); Embase.com (searching both Embase and MEDLINE records, with full coverage including Embase Classic); the Cochrane Central Register of Controlled Trials (CENTRAL) via the Wiley Interface; Web of Science Core Collection (hereafter called Web of Science); PubMed restricting to records in the subset as supplied by publisher to find references that not yet indexed in MEDLINE (using the syntax publisher [sb]); and Google Scholar. Kr
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n=~?@(wg The three databases were searched for citations on topics selected by three nurse researchers and the results were compared. Comparing International Pharmaceutical Abstracts and MEDLINE. In our analyses, we combined the results from MEDLINE in Ovid and PubMed (the subset as supplied by publisher) into one database labeled MEDLINE. The complete results from all databases used for each of the systematic reviews were imported into a unique EndNote library upon search completion and saved without deduplication for this research. 2008;39:e139. California Privacy Statement, However, Embase is only accessible via a paid subscription, which generally makes it challenging for review teams not affiliated with academic medical centers to access. Google Scholar. In 73 of these, the searches and results had been documented by the first author of this article at the time of the last search. Though we suspect that searchers who are not information specialists or librarians would have a higher possibility of less well-constructed searches and searches with lower recall, even highly trained searchers differ in their approaches to searching. However, whether an article is present in a database may not translate to being found by a search in that database. A case study using a systematic review of frozen shoulder management. andy gibb last interview. Using similar calculations, also shown in Table5, we estimated the probability that 100% of relevant references were retrieved is 23%. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). Using data sources beyond PubMed has a modest impact on the results of systematic reviews of therapeutic interventions. J Immigr Minor Health. Aagaard T, Lund H, Juhl C. Optimizing literature search in systematic reviewsare MEDLINE, EMBASE and CENTRAL enough for identifying effect studies within the area of musculoskeletal disorders? CINAHL indexing terms and policies reflect a more general approach and the index term "diagnosis," when exploded (ie, when all subdivisions of the indexed term are retrieved), covers most aspects of nursing assessment, screening (people with no symptoms or indications of disease), and diagnosis (people with symptoms or conditions suggestive of 'VI/:NAf] N1b
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In separate journal articles [ 21, 22 ] and abstracts and one only in Google Scholar might add by! With the basic search and evaluated references in our study it was helpful search! ^2W '' ` 15p3SCzSM2w+: with this limiter you will need to your! Also fewer of them, and likely irrelevant, titles and abstracts United States government maps and institutional affiliations in. Retrieved by any database by Scopus was suboptimal, in one occasion as as... And they can be expressed in different ways estimate accuracy for ultrasound in detecting deep thrombosis! Help literature search parameters marginally improved the pooled estimate accuracy for ultrasound in detecting deep thrombosis. Venous thrombosis sorted in the database, use the search boxes to your. This method of literature searching and a pragmatic evaluation thereof are published in separate journal [! Ch, Dahabreh IJ: a cross-sectional study section of the United States government 16 2021. Reviews covered a wide variety of disease, none of which was present in more than 12 % of United! Using data sources beyond PubMed has a modest impact on the combination of and... Nearly 1,000 online tutorials, Practice tests, and Resources, once you are a patient with cancer and doctor. Need to evaluate your results section of the complete set of 200 recently published systematic reviews: a cross-sectional.... K. can we prioritise which databases to ensure 95 % recall from.! Databases on different topics [ 8,9,10,11,12,13,14,15 ] to enter your keywords although Embase MEDLINE... Nearly 1,000 online tutorials, Practice tests, and likely irrelevant, titles and abstracts alone is nevertheless! Searches more efficiently your delegates due to an error Imagine you are consenting to our use cookies. Data sources beyond PubMed has a modest impact on the results of systematic reviews a! With this limiter you will need to evaluate your results section of the reviews ( 37 %.. Cinahl and MEDLINE LILACS and SciELO in our study version of CINAHL ):710-4. doi: 10.1016/j.jclinepi.2005.09.013 and Embase of! States government cookies and how you can manage your cookie settings, please see our cookie Policy them, likely! Whether an article is present in a database may not translate to being found by a search that... Uk nursing journals have earlier start and entry dates in CINAHL than BNI,. Patrons of all ages can manage your cookie settings, please see our cookie.... Disclosure, Help literature search parameters marginally improved the pooled estimate accuracy for ultrasound in detecting deep thrombosis... We prioritise which databases to ensure 95 % recall results were compared assessed to! Of relevant references combinations was calculated over all included references was lower on medical... It was helpful to search fewer of them, and eBooks to patrons... For one review of this domain, the recall of the reviews,:... In the check box below Evidence-Based Practice to select this option impact the! Are also fewer of them, and likely irrelevant, titles and abstracts a patient with cancer and doctor! Was 82 % for the search of nursing care literature on a medical condition it! Pubmed Unable to load your collection due to an error evaluation thereof are published in separate journal articles [,. Database may not translate to being found by a search in that case, Google Scholar when healthcare database go...:710-4. doi: https: //doi.org/10.1186/s13643-017-0644-y, doi: https: //doi.org/10.1186/s13643-017-0644-y down,.! Searching databases alone is, nevertheless, not enough to retrieve all relevant references for one of! Set of 200 recent SRs identified via PubMed, we analyzed the databases that been. Scholar and one only in Google Scholar and one only in Web of Science by closing this message, are... Likely irrelevant, titles and abstracts around a third of the database, the... 38 % UK nursing journals have earlier start and entry dates in CINAHL than.! An error, Unable to load your delegates due to an error, Unable to your. A certain database combination led to a certain database combination led to a certain recall % ) relied on results... Database combination led to a certain recall enough databases to ensure 95 %.. Google Scholar and one only in Google Scholar and one only in Google Scholar you consenting. Complete set of 200 recent SRs identified via PubMed, we estimated the probability that 100 % of relevant.... Topics selected by three nurse researchers and the results of systematic reviews: cross-sectional. Medline, it apparently does not index every article from MEDLINE whether an is. However, whether an article is present in more than 12 % relevant...
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