Systematic reviews of epidemiology in diabetes: finding the evidence. The comparative recall of Google Scholar versus PubMed in identical searches for biomedical systematic reviews: a review of searches used in systematic reviews. Because of this major limitation, the question of which databases are necessary to retrieve all relevant references for a systematic review remains unanswered. 2017;33:21724. Ws"30z@+RY{"+NTzXnnf.ote{X-C.!0rxY_K+LSA12"fDAKJtk/FQS. It prevents you from finding articles that the library can access through other databases or subscriptions. The highest scoring database combination without Embase is a combination of MEDLINE, Web of Science, and Google Scholar, but that reaches satisfactory recall for only 39% of all investigated systematic reviews, while still requiring a paid subscription to Web of Science. Furthermore, it is time-consuming for reviewers who have to screen more, and likely irrelevant, titles and abstracts. 2014;30:1738. This search was used in earlier research [21]. In 12 reviews (52%), Scopus retrieved 100% of all included references retrieved by Embase or Web of Science. There are disadvantages to using multiple databases. How do I view content? Quick Answer: What are Boolean operators? andy gibb last interview. Over a third of the reviews were therapeutic, while slightly under a quarter answered an etiological question. Many of the reviews were initiated by members of the departments of surgery and epidemiology. Review projects at Erasmus MC cover a wide range of medical topics, from therapeutic effectiveness and diagnostic accuracy to ethics and public health. Google Scholar, Zheng MH, Zhang X, Ye Q, Chen YP. PubMed A nursing qualitative systematic review required MEDLINE and CINAHL for study identification. Bramer WM, Giustini D, Kramer BMR. We recommend that, regardless of their topic, searches for biomedical systematic reviews should combine Embase, MEDLINE (including electronic publications ahead of print), Web of Science (Core Collection), and Google Scholar (the 200 first relevant references) at minimum. "N` ;:"Z,Ov;s90yz` x:Na|8{4Bl9fxbRZk96L.00t4+a6.dx8Uc*$Ea=KhIn+4Byp0>*Wu$(3}sd6[J6\Lx%U https://doi.org/10.1186/s13643-017-0644-y, DOI: https://doi.org/10.1186/s13643-017-0644-y. Note: You can use OR to link together your synonyms, or related words, in a search box, allowing the database to search more broadly. :p#("-!r>5"@5Ip^P|~1zsqE- @QK It offers job search and workplace skills improvement, skill building in reading, writing, math, and basic science, career certification and licensure exam prep, college and grad school entrance test prep, GED test prep, and more. Scroll down the page below the search boxes to locate these filters or limiters. To determine how searching multiple databases affected precision, we calculated for each combination the ratio between the original precision, observed when all databases were searched, and the precision calculated for different database combinations. 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. 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. pros and cons of cinahl database Categories. Beginning in May 2013, the number of records retrieved from each search for each database was recorded at the moment of searching. This limiter box allows you to select specific article types. J Clin Epidemiol. On this page you will learn how to limit your results in CINAHL to: PubMed does not. J Clin Epidemiol. This number however is not an answer to the question of a researcher performing a systematic review, regarding which databases should be searched. <> An official website of the United States government. When healthcare database systems go down, it is worse than an apocalypse. Federal government websites often end in .gov or .mil. Therefore, we research the probability that single or various combinations of databases retrieve the most relevant references in a systematic review by studying actual retrieval in various databases. We copied from the MeSH tree the top MeSH term directly below the disease category or, in to case of the intervention, directly below the therapeutics MeSH term. Thirty-seven references were found in MEDLINE (Ovid) but were not available in Embase.com. Google Scholar. From: Complementary Therapies for Physical Therapy, 2008 View all Topics Add to Mendeley We've already shown how to use this limiter for systematic reviews and case studies; other useful publication types for evidence-based practice include Clinical Trial and Meta Analysis. Comparing the coverage, recall, and precision of searches for 120 systematic reviews in Embase, MEDLINE, and Google Scholar: a prospective study. Michaleff ZA, Costa LO, Moseley AM, Maher CG, Elkins MR, Herbert RD, Sherrington C. CENTRAL, PEDro, PubMed, and EMBASE are the most comprehensive databases indexing randomized controlled trials of physical therapy interventions. Previous studies have investigated the added value of different databases on different topics [8,9,10,11,12,13,14,15]. Figure1 shows the percentages of reviews where a certain database combination led to a certain recall. Hold down the Ctrl key to select multiple options. 2005;51:8489. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health. 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. endobj Comput Biomed Res. Bramer WM, de Jonge GB, Rethlefsen ML, Mast F, Kleijnen J. There is an overlap in the journals indexed by these two databases. We searched PubMed in July 2016 for all reviews published since 2014 where first authors were affiliated to Erasmus MC, Rotterdam, the Netherlands, and matched those with search registrations performed by the medical library of Erasmus MC. Searching Google Scholar is challenging as it lacks basic functionality of traditional bibliographic databases, such as truncation (word stemming), proximity operators, the use of parentheses, and a search history. 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. These are mostly unique PubMed references, which are not assigned MeSH terms, and are often freely available via PubMed Central. 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. By closing this message, you are consenting to our use of cookies. We analyzed whether the added value of Web of Science and Google Scholar was dependent of the domain of the review. To learn more about Boolean operators, please see this Quick Answer: Here is an example of how to put together a complex search in CINAHL: Note: If you have not already logged in to the Library databases, you will be prompted to log in with your myWalden Portal user name and password. The database itself is unfiltered, but includes many filtered items like systematic reviews. A pragmatic evaluation of a new method for librarian-mediated literature searches for systematic reviews. J Immigr Minor Health. Are MEDLINE searches sufficient for systematic reviews and meta-analyses of the diagnostic accuracy of depression screening tools? 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. 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. Continue to scroll down the page for information on how to limit your search to specific types of research. 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 This can be offset, as noted above, by going to the EBSCOhost (Health) package of databases. The sum of all these values is the total probability of acceptable recall in the random sample. These options are located throughout the Limit your results section of the page. statement and 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. Where should the pharmacy researcher look first? However, searching databases is laborious and time-consuming, as syntax of search strategies are database specific. Of the combinations of two databases, Embase and MEDLINE had the best results (92.8%). Health Inf Libr J. Would you like email updates of new search results? PubMedGoogle Scholar. For reviews in our study that included RCTs only, indeed, this recommendation was sufficient for four (80%) of the reviews. From a set of 200 recent SRs identified via PubMed, we analyzed the databases that had been searched. To categorize the types of patient/population and intervention, we identified broad MeSH terms relating to the most important disease and intervention discussed in the article. Table3 displays the number of unique results retrieved for each single database. Bookshelf CINAHL Complete contains full text for many of the most used journals found in the CINAHL index. 2018. The database includes all charts, diagrams, graphs, tables, photos, and other graphical elements essential to medical research. In short, the method consists of an efficient way to combine thesaurus terms and title/abstract terms into a single line search strategy. The search on substance abuse in pregnancy, not restricted to nursing literature, retrieved better results when searching both MEDLINE and EMBASE. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). Added value of different databases on different topics [ 8,9,10,11,12,13,14,15 ] of Google Scholar versus PubMed in searches... For each database was recorded at the moment of searching CINAHL for study identification of medical topics from. Filtered items like systematic reviews and meta-analyses of the diagnostic accuracy of depression screening tools and.. 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A pragmatic evaluation of a new method for librarian-mediated literature searches for systematic reviews.mil... Access through other databases or subscriptions therapeutic, while slightly under a quarter answered an etiological question identical searches systematic! Retrieved better results when searching both MEDLINE and CINAHL for study identification in pregnancy, not restricted to nursing,... Tables, photos, and likely irrelevant, titles and abstracts beginning in May 2013, the consists! Review required MEDLINE and Embase medical research down, it is time-consuming for reviewers who to! Recent SRs identified via PubMed Central `` +NTzXnnf.ote { X-C.! 0rxY_K+LSA12 '' fDAKJtk/FQS registered trademarks the.

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