Comparing the coverage, recall, and precision of searches for 120 systematic reviews in Embase, MEDLINE, and Google Scholar: a prospective study. Explain how resolving your EBP Project issue will improve . Scroll down the page below the search boxes to locate these filters or limiters. Once validated and certified for inclusion, these OA journals are treated with high-quality subject indexing and sophisticated, precise/accurate full-text linking. ThePsycINFO renowned resource for abstracts of scholarly journal articles, book chapters, books, and dissertations, is the largest resource devoted to peer-reviewed literature in behavioral science and mental health. The purpose of this research was to determine which of three databases, CINAHL, EMBASE or MEDLINE, should be accessed when researching nursing topics. The third key database we identified in this research, Web of Science, is only mentioned as a citation index in the Cochrane Handbook, not as a bibliographic database. There are also fewer of them, and they can be harder to find. Although Embase covers MEDLINE, it apparently does not index every article from MEDLINE. The four databases that had retrieved the most unique references (Embase, MEDLINE, Web of Science, and Google Scholar) were investigated individually and in all possible combinations (see Table4). scott burns lincoln ventures. 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). and transmitted securely. We see that reviewers rarely use Web of Science and especially Google Scholar in their searches, though they retrieve a great deal of unique references in our reviews. On 5 January 2017, we searched PubMed for articles with the phrase systematic review in the title. That is with the generous assumption that the searches in those databases had been designed sensitively enough. 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. However, searching databases is laborious and time-consuming, as syntax of search strategies are database specific. Since May 2013, the first author prospectively recorded results from systematic review searches that he performed at his institution. At Erasmus MC, search strategies for systematic reviews are often designed via a librarian-mediated search service. Figure4 shows the distribution of this value for individual reviews. Beyer FR, Wright K. Can we prioritise which databases to search? endobj statement and Differences in thesaurus terms between databases add another significant burden for translation. MEDLINE is a great resource for medical . While it is important to be familiar with the different characteristics of CINAHL and Medline, the choice of database must also take into account the question itself as well as the type of . 2005;93:7480. The three databases were searched for citations on topics selected by three nurse researchers and the results were compared. Are included references being missed because the review authors failed to search a certain database? To our surprise, Cochrane CENTRAL did not identify any unique included studies that had not been retrieved by the other databases, not even for the five reviews focusing entirely on RCTs. J Clin Epidemiol. 2013;66:10517. In short, the method consists of an efficient way to combine thesaurus terms and title/abstract terms into a single line search strategy. Cochrane CENTRAL is absent from the table, as for the five reviews limited to randomized trials, it did not add any unique included references. ``6C~8 '* "r#=e ax A+ government site. Consequently . This search is then optimized. 2013;2:115. Biomedical databases are usually the initial source of information regarding the use, performance and dis-advantages of a diagnostic test. 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. All searches in this study were developed and executed by W.M.B. Health Inf Libr J. 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. A nursing qualitative systematic review required MEDLINE and CINAHL for study identification. Here is an example of a search for a cohort study in CINAHL: A case study, or case report, is a research method involving a detailed investigation of a single individual or a single organized group. This database provides nearly 550 scholarly full text journals focusing on many medical disciplines. Complexity The provision of the functionality we expect of a good DBMS makes the DBMS an extremely complex piece of software. 11 reviews, where we were able to recheck all the databases used by the original review authors, had included a study that was uniquely identified from the CINAHL database. Posted on 16 December 2021 - 7:39 pm by . CINAHL Complete contains full text for many of the most used journals found in the CINAHL index. Before Disclaimer. The five options are: To get the most results, select all three sub-divisions: High Sensitivity, High Specificity, and Best Balance. MedicLatinais a unique collection of medical research and investigatory journals from renowned Latin American and Spanish publishers. Films Media Group serves the education community through its four brands: Films for the Humanities and Sciences, Cambridge Educational, Meridian Education, and Shopware. The other authors declare no competing interests. 2016;87:713. For example, around a third of the reviews (37%) relied on the combination of MEDLINE and Embase. Optimal database combinations for literature searches in systematic reviews: a prospective exploratory study, https://doi.org/10.1186/s13643-017-0644-y, http://creativecommons.org/licenses/by/4.0/, http://creativecommons.org/publicdomain/zero/1.0/. For all individual reviews, we determined the median recall, the minimum recall, and the percentage of reviews for which each single database or combination retrieved 100% recall. How do I view content? % Article Depending on the goal of the search, different measures may be optimized. The searcher in the case of all 58 systematic reviews is an experienced biomedical information specialist. This can be offset, as noted above, by going to the EBSCOhost (Health) package of databases. For the search of nursing care literature on a medical condition, it was helpful to search both CINAHL and MEDLINE. Table3 displays the number of unique results retrieved for each single database. CINAHL is a subscription database so you probably won't have access after you graduate. 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. ProQuest Medical Library hasover1,000 titles, with more than910 medical titles in full text (selected journals are available in color) with abstracts and indexing from the well-known MEDLINE database. There are disadvantages to using multiple databases. Nursing: Indexes & Databases. What is lost when searching only one literature database for articles relevant to injury prevention and safety promotion? Moreover, in combinations where the number of results was greatly reduced, the recall of included references was lower. The datasets generated and/or analyzed during the current study are available from the corresponding author on a reasonable request. 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. However, the combination with Google Scholar had a higher precision and higher median recall, a higher minimum recall, and a higher proportion of reviews that retrieved all included references. J Clin Epidemiol. J Med Libr Assoc. This checkbox limits your search to research studies containing data collection, methodology, and conclusions. PubMed We selected the domain from a pre-defined set of broad domains, including therapy, etiology, epidemiology, diagnosis, management, and prognosis. 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. In our analyses, we combined the results from MEDLINE in Ovid and PubMed (the subset as supplied by publisher) into one database labeled MEDLINE. 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. 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. Technical Problems Every computer system will have a breakdown. Are MEDLINE searches sufficient for systematic reviews and meta-analyses of the diagnostic accuracy of depression screening tools? 5 Howick Place | London | SW1P 1WG. For 55 reviews, we determined the domain. BMC Med Res Methodol. Sixteen percent of the included references (291 articles) were only found in a single database; Embase produced the most unique references (n=132). Due to the nature and distribution of the nursing literature, it is especially important for the searcher to understand and respond to the focus of the researcher. For reviews in our study that included RCTs only, indeed, this recommendation was sufficient for four (80%) of the reviews. The https:// ensures that you are connecting to the There are disadvantages to using multiple databases. <>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/Annots[ 9 0 R 10 0 R] /MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> MEDLINE did find unique references that had not been found in Embase, although our searches in Embase included all MEDLINE records. Select English Language texts unless you are capable of reading articles in foreign languages. The database combinations with the highest recall did not reduce the total number of results by large margins. In general, we use the first 200 references as sorted in the relevance ranking of Google Scholar. Health Source: Nursing/Academic Editionalso features theLexi-PAL Drug Guide,which covers 1,300 generic drug patient education sheets with more than 4,700 brand names. 2016;16:113. Google Scholar. Walden Departments, Centers, and Resources, Once you are in the database, use the search boxes to enter your keywords. We use cookies to improve your website experience. A fast and easy research tool for nursing and allied health professionals with access to content coverage including over 50 nursing specialties, speech and language pathology, nutrition, general health and medicine and . Psychology & Behavioral Sciences Collectionis a comprehensive database covering information concerning topics in emotional and behavioral characteristics, psychiatry & psychology, mental processes, anthropology, and observational & experimental methods. Size Syst Rev. Nursing & Allied Health SourceTM provides users with reliable healthcare information covering nursing, allied health, alternative and complementary medicine. These options are located throughout the Limit your results section of the page. In Excel, we calculated the performance of each individual database and various combinations. Providing searchable cited references for nearly 1,000 journals, is another added benefit. 2008;39:e139. In addition to journal articles, CINAHL includes books, book chapters, dissertations, and computer programs. 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. Although we did not use these special topic databases in all of our reviews, given the low number of reviews where these databases added relevant references, and observing the special topics of those reviews, we suggest that these subject databases will only add value if the topic is related to the topic of the database. For the search of nursing care literature on a medical condition, it . WB and ML analyzed the data. Complement Ther Med. 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. 2016;5:39. This study also highlights once more that searching databases alone is, nevertheless, not enough to retrieve all relevant references. Systematic reviews of epidemiology in diabetes: finding the evidence. Select an option by finding it in the list and clicking on it (it will then be highlighted). A secondary aim is to investigate the current practice of databases searched for published reviews. This shows that many database searches missed relevant references. Within systematic reviews, when searching for relevant references, it is advisable to use multiple databases. Optimal database combinations for literature searches in systematic reviews: a prospective exploratory study. Search Limits. In that case, Google Scholar might add value by searching the full text of articles. Those databases that contributed the most unique included references were then considered candidate databases to determine the most optimal combination of databases in the further analyses. Figure1 shows the percentages of reviews where a certain database combination led to a certain recall. 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. Thedatabase itself is unfiltered, but includes many filtered items like systematic reviews. official website and that any information you provide is encrypted Database designers and developers, the data and database administrators and end-users must understand this functionality to take full advantage of it. In the other 48%, the recall by Scopus was suboptimal, in one occasion as low as 38%. Ws"30z@+RY{"+NTzXnnf.ote{X-C.!0rxY_K+LSA12"fDAKJtk/FQS. Published reviews were included if the search strategies and results had been documented at the time of the last update and if, at minimum, the databases Embase, MEDLINE, Cochrane CENTRAL, Web of Science, and Google Scholar had been used in the review. Identify resources at your library and in the collections of the worlds libraries. Improving search efficiency for systematic reviews of diagnostic test accuracy: an exploratory study to assess the viability of limiting to MEDLINE, EMBASE and reference checking. We are aware that the Cochrane Handbook [7] recommends more than only these databases, but further recommendations focus on regional and specialized databases. Until 2016, the most complete MEDLINE selection in Ovid still lacked the electronic publications that were already available in PubMed. 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. 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. BMC Med Inform Decis Mak. Stevinson C, Lawlor DA. Can Fam Physician. We find that Embase is critical for acceptable recall in a review and should always be searched for medically oriented systematic reviews. Bramer WM, Giustini D, Kramer BM, Anderson PF. 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. This happens, particularly with lesser-used medications and treatments. Beckles Z, Glover S, Ashe J, Stockton S, Boynton J, Lai R, Alderson P. Searching CINAHL did not add value to clinical questions posed in NICE guidelines. <> Therefore, for this research, a total of 58 systematic reviews were analyzed. Article Of the combinations of two databases, Embase and MEDLINE had the best results (92.8%). Bramer WM, Giustini D, Kramer BMR. This site needs JavaScript to work properly. 2014;67:11929. A multi-disciplinary database, with more than 6,100 full-text periodicals, including more than 5,100 peer-reviewed journals. Most articles on this topic draw their conclusions based on the coverage of databases [14]. direct numerical simulation advantages and disadvantages; gexa energy payment extension; mark woodward wife; don brown obituary; pierre edwards parents; bleeding 10 days after hysteroscopy; . vD@3h0MusH%|$e5Cl|Pl aWEEv~3v:hq`M 1LYi"eo*mZTmiMBV(']YJYa:{Xk4S9Tj-MLNAN}V%!U]h*us(5i:8}takdd-~^3I+LR0mkb4Kb3tTl! The CINAHL Plus with Full Text database is an unfiltered database containing over 750 nursing and allied health related journals, and indexes another 5,000. x]Y~w_R%l@$RI[{odf]y4OH ]C|hpt_m/xt>ov\rxl_ g,)#5|wd=SO'^=I.zZ~|YJ2"%cVK^Ir~PNluRn-2B nlVy*/Us>-|\ .a-=/l :s#C&xdyu3Di*e"ySHs=?7i MEDLINE VIA PUBMED VS CINAHL Prior to starting a search, it is essential to choose the most appropriate database. 2016;16:161. van Enst WA, Scholten RJ, Whiting P, Zwinderman AH, Hooft L. Meta-epidemiologic analysis indicates that MEDLINE searches are sufficient for diagnostic test accuracy systematic reviews. author reply e140. 2 for the comparison of the recall of Embase, MEDLINE, and Cochrane CENTRAL per review for all identified domains. J Clin Epidemiol. 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. Unable to load your collection due to an error, Unable to load your delegates due to an error. Google Scholar. For the databases that retrieved the most unique included references, we calculated the number of references retrieved (after deduplication) and the number of included references that had been retrieved by all possible combinations of these databases, in total and per review. Transcript. 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Relevance ranking of Google Scholar to injury prevention and safety promotion MC, search strategies systematic! A librarian-mediated search service an error Google Scholar study were developed and executed disadvantages of cinahl database.... Collection, methodology, and conclusions based on the goal of the recall of Embase, MEDLINE it... Literature database for articles relevant to injury prevention and safety promotion their conclusions based on the of! Can be harder to find or limiters two databases, Embase and MEDLINE search of nursing care literature on reasonable. '' fDAKJtk/FQS into a single line search strategy it apparently does not index every article from MEDLINE strategies systematic! Select English Language texts unless you are capable of reading articles in foreign languages and in the other %!
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