literature reviews
TRANSCRIPT
LITERATURE REVIEWS: SEARCHING FOR EVIDENCEClara FowlerResearch Services & Assessment MangerResearch Medical LibraryMD Anderson Cancer Center
LITERATURE REVIEW1. Find sources relevant to
a topic2. Find sources that are
highly-cited in the literature
3. Find sources from other disciplines that are relevant
4. Find authors that are experts in the field
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CREATE A SEARCHABLE QUESTION• Be specific• Recommend the PICO format for clinical
topics
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LITERATURE SEARCH EXAMPLE
In patients undergoing a craniotomy for a brain tumor, does using a scalp block improve post-operative pain?
P (Patient): Brain tumor I (Intervention): Craniotomy with scalp block C (Comparison): Craniotomy without scalp block O (Outcome): Post-operative pain
SOURCESJournal articlesBook chaptersConference abstractsClinical trialsWebsites
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DATESHow far back do your sources need to go?
One year, five years, ten years, all available dates?
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WHERE TO SEARCH?PubMedMEDLINE EMBASEWeb of ScienceCINAHLSCOPUSGoogle Scholar
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What parts of the database record are you able to search?
Title, Original Title, Abstract, Subject Heading, Name of Substance, Registry Word
STRATEGIES FOR SEARCHING1. Subject Headings2. Subheadings3. Focus & Exploding Subject
Headings4. Keywords5. Syntax: Adjacency and
Boolean Operators6. Organizing 7. Exporting
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STRATEGIES FOR SEARCHINGSubject Headings MEDLINE = MeSH
In patients undergoing a craniotomy for a brain tumor, does using a scalp block improve post-operative pain?
1. Combine subject headings using the Boolean Operator – AND
EXAMPLE:Brain Neoplasms/ AND Craniotomy/ AND Nerve Block/
2. Try different combinations of subject headings to understand where you can improve your search
STRATEGIES FOR SEARCHINGSubheadingsA powerful tool, but use sparingly and as directedLook at scope notes for directions on use
STRATEGIES FOR SEARCHING
Explode and Focus
STRATEGIES FOR SEARCHINGKeywords Create a list of commonly used
terms to describe each of your concepts
As you find relevant articles, see if there are keywords to add to the search
Combine synonyms using OR Use truncation * to pick up
variations in the endings of words
Use adjacency (adj3) to increase number of relevant results
STRATEGIES FOR SEARCHING Staying organized is key
for a successful search Keep like items together Organize your search by
concept or search technique
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STRATEGIES FOR SEARCHINGUse a citation management system from the beginning The Library teaches classes in EndNoteOther options include RefWorks and Mendeley
CITED REFERENCE SEARCHING
Find out which articles have cited your most-relevant results Use Scopus, Web of Science, or Google Scholar
MOST HIGHLY CITED REFERENCES
COMPLETING THE SEARCHHow do I know when I’m finished searching?
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QUESTIONS?
To ask questions later:Call: 713-792-2282Text: 281-369-4872Twitter: @MDAndersonLibVisit: Pickens Floor 21Email: [email protected]
UPCOMING CLASSES & WEBINARS
New ClassSystematic Reviews: Planning the Literature SearchHave you been asked to participate in the development of a systematic review? This workshop will provide an overview of the systematic review process with detailed information on planning the search strategy. Documentation of the search methodology and tools for managing references will also be coveredDate: Thursday, October 8, 2015Time: 9:30am - 11:00am
WebinarManaging Systematic Review Results with EndNoteThis webinar will discuss how to store, count, de-duplicate, review, and include/exclude systematic review search results within the EndNote software. This webinar will also demonstrate how to move search results from EndNote to Excel, Access or other systematic review analysis tools.Date: Wednesday, October 14, 2015Time: 11:00am - 11:30am