Webinar: Literature Searching 101
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Transcript of Webinar: Literature Searching 101
introducing the
LITERATURE SEARCH
research medical library
Laurissa GannOutreach Coordinator
A literature search is a well thought out
and organized search for all of the literature published on a topic.
In PubMed, there are over 22 million citations for biomedical
literature to date
Approximately 712,000 citations are added to PubMed every year
1, 950 articles per day.
81 articles per hour.
Today we will…
we can help at every step of the way
1Pose a searchable question
2Find the best
places to search 3Dissect a database
Pose a searchable question
identify, consider, and focus
1
Creating the searchable questionPa
tient What are the
characteristics of the patient?What is the condition or disease you are interested in?In
terv
entio
n Which main intervention, prognostic factor, or exposure are you considering?
Com
paris
on What is the alternative to the intervention (e.g. placebo, different drug, surgery)?O
utco
me
What can you hope to accomplish, measure, improve or affect?
Type
of S
tudy Systematic review
Controlled trialCohort study Economic evaluationQualitative etc.
I want to know what the outcome of BRCA1/2 testing is for patients. Do most women who test positive choose to have a preventative mastectomy?
PatientBRCA Mutation Carriers
InterventionPreventive testing
ComparisonNone
OutcomeDecision for preventative mastectomy Type of Study
RCTsSystematic RevMeta-Analysis
In BRCA mutation carriers, what is the effect of predictive testing on the decision for a preventive mastectomy?
Choosing Search Terms• Look for synonyms (flush, irrigate)• Differences in spelling (Hematology, Haematology)• Abbreviations (FISH, fluorescence in situ
hybridization)• Suffixes (Rheumatic, Rheumatology)• Generic and trade names of drugs
PatientWomenBRCA1BRCA2
InterventionPredictive testing
ComparisonNone
Type of StudyRCTsSystematic RevMeta-Analysis
In BRCA mutation carriers, what is the effect of predictive testing on the decision for a preventive mastectomy?
OutcomeDecision-makingChoiceRiskProphylactic MastectomyMastectomy
Choosing Your Search Terms
2 Find the best places to search
research, evaluate, and compile
The type of search determines where you will search.
For a quick search, try Decision Support Tools
To search for a specific article title, use Search Engines
For a literature search, use Databases
UpToDateDynaMedLexi-Comp
PubMedCochrane Library
EmbaseOvid Medline
Scopus
GoogleScholar
What is in the database?
PubMed – BiomedicalCochrane Library – Systematic Reviews, Clinical TrialsEmbase – Biomedical, pharmacological, European journals includedPsychInfo – Psychology & Behavioral SciencesCINAHL – Nursing
How many databases should I search?
Background Search1 or 2
Systematic Review5 or 6
Literature Review3 or 4
3 Dissect a database
expose, understand, and search
• Phrase versus Word Searching
• Truncation/Wildcards
• Controlled vocabulary/thesaurus searching
• Advanced Searching
What are the searching features of the database?
• Check for limit options?
• Are there any special modifiers available?
• Can you combine searches or add more concepts to your original search?
What do I do if I get too many
results?
• Eliminate concepts
• Look for related articles
• Cited reference searchWhat do I do if I
get too few results?
• Create an account to save your search strategy or results.
• Find an export or output button to download, save or e-mail results.
How do I print, e-mail, save or download my
search results?
• Look for the MD Anderson Full Text button.
How do I get the full-text PDFs?
? Contact usAsk a librarian a question
Email [email protected] 713-792-2282
Live chat with a librarian on our websitewww.mdanderson.org/library
In person: Floor 21 Pickens Tower