Practicing Evidence-Based Medicine: Strategies for Finding the Evidence

This guide provides practical tips and methods for healthcare professionals to locate, assess and apply relevant evidence in clinical decision-making. Written by experts in the field, it offers strategies for efficient searching of various databases, critical appraisal of studies, and integration of evidence into patient care.

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About Practicing Evidence-Based Medicine: Strategies for Finding the Evidence

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Slide1How to practice EBM: Finding the Evidence How to practice EBM: Finding the Evidence Owen Coxall, Tatjana Petrinic & Nia Wyn Roberts Bodleian Health Care Libraries

Slide2Session objectives Session objectives  Formulate a focused question  Turn a focused question into a search  Search TRIP & PubMed

Slide3Formulate a focused question Formulate a focused question P atient / P roblem / P opulation I ntervention C omparison O utcome

Slide5Focused question Focused question P : Pregnant smokers I : nicotine replacement C : N/A O : cessation Is nicotine replacement therapy an effective and safe smoking cessation treatment in pregnant women?

Slide6Quick search Quick search  TRIP www.tripdatabase.com  PubMed Clinical Queries www.pubmed.gov

Slide7Hands-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 TRIP www.tripdatabase.com  Run a quick search on PubMed Clinical Queries www.pubmed.gov

Slide8Run a full search strategy Why bother? Run a full search strategy Why bother?  Too few results  Too many results  Irrelevant results  Submitting a funding proposal  Writing a guideline  Conducting a systematic review

Slide9Combine terms with OR Combine terms with OR smoking tobacco Smoking OR tobacco – either term can be present

Slide10Combine terms with AND Combine terms with AND Smoking AND cessation – both terms must be present cessation smoking

Slide11Quick tips Quick 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”

Slide12Develop a search strategy Develop 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

Slide13Perform a search on PubMed Perform a search on PubMed

Slide14Searching tips: PubMed Searching 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

Slide15Hands-onHands-on  Take your focused question: ◦ Run further searches on PubMed http://www.pubmed.gov

Slide16HelpHelp  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