how to practice ebm: finding the evidence
DESCRIPTION
How to practice EBM: Finding the Evidence. Owen Coxall, Tatjana Petrinic & Nia Wyn Roberts Bodleian Health Care Libraries. Session objectives. Formulate a focused question Turn a focused question into a search Search TRIP & PubMed. Formulate a focused question. - PowerPoint PPT PresentationTRANSCRIPT
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How to practice EBM:How to practice EBM:Finding the EvidenceFinding the Evidence
Owen Coxall, Tatjana Petrinic & Nia Wyn Roberts Bodleian Health Care Libraries
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Session objectivesSession objectives
Formulate a focused questionTurn a focused question into a
search Search TRIP & PubMed
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Formulate a focused Formulate a focused questionquestion
Patient / Problem / PopulationInterventionComparisonOutcome
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Focused questionFocused question
P: Pregnant smokersI: nicotine replacementC: N/AO: cessation
Is nicotine replacement therapy an effective and safe smoking cessation treatment in pregnant women?
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Quick searchQuick search
TRIPwww.tripdatabase.com
PubMed Clinical Querieswww.pubmed.gov
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Hands-onHands-on
Formulate a focused question◦Use your own question or one of the
examples in your pack◦Record the search terms you’re using
Run a quick search on TRIPwww.tripdatabase.com
Run a quick search on PubMed Clinical Queries www.pubmed.gov
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Run a full search strategyRun a full search strategyWhy bother?Why bother?
Too few resultsToo many resultsIrrelevant resultsSubmitting a funding proposalWriting a guidelineConducting a systematic review
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Combine terms withCombine terms withOROR
smokingtobacco
Smoking OR tobacco – either term can be present
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Combine terms withCombine terms withANDAND
Smoking AND cessation – both terms must be present
cessationsmoking
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Quick tipsQuick tips
Take a common word stem and look for spelling variations e.g.
◦smok* - will retrieve papers smoking, smoker, smokers… but also smoked salmon
Phrase searching
◦Use double quote marks if you want words to appear next to each other e.g.
“smoking cessation”
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Develop a search strategyDevelop a search strategy
1. pregnan* 2. smoking or smoker*3. nicotine replacement OR
nicotine patch*4. cessation OR stop* OR quit*5. 1 AND 2 AND 3 AND 4
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Perform a search on PubMedPerform a search on PubMed
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Searching tips: PubMedSearching tips: PubMed
Subject searching - use MeSH◦Subject headings added to articles
on Medline◦Search the MeSH Database
Finding similar articles – use the ‘Related articles’ link
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Hands-onHands-onTake your focused question:
◦Run further searches on PubMedhttp://www.pubmed.gov
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HelpHelp
Finding the Evidence tutorials:◦ EBM web-site – EBM tools – Finding the Evidence
http://www.cebm.net
PubMed◦ Short online tutorials◦ Quick guides to PubMed – basics, MeSH search and
MyNCBI
http://www.nlm.nih.gov/bsd/disted/pubmed.html