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How to practice EBP: Finding the Evidence. September 2010 16th Oxford Workshop in Teaching Evidence-based Practice . Session objectives. Formulate an answerable question Do a quick search on TRIP Turn a focussed question into a search strategy

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how to practice ebp finding the evidence

How to practice EBP:Finding the Evidence

September 2010

16th Oxford Workshop in Teaching Evidence-based Practice

session objectives
Session objectives
  • Formulate an answerable question
  • Do a quick search on TRIP
  • Turn a focussed question into a search strategy
  • Apply the search strategy to PubMed & the Cochrane Library
formulating a focussed question
Formulating a focussedquestion

Patient / Problem / Population

Intervention

Comparison

Outcome

scenario
Scenario

Tom, a smoker of 20 years goes to his GP to ask for help with stopping smoking. He’s tried various methods in the past but nothing has worked so far, so asks the GP whether acupuncture might be a good option.

focussed question
Focussed question

P: smoking

I: acupuncture

C: N/A

O: cessation

Focussed question?

Is acupuncture effective as a smoking cessation technique?

hands on
Hands-on
  • Formulate an answerable question
    • Use your own question or one of the examples in your pack
  • Run a search on TRIP http://www.tripdatabase.com
focussed question to search strategy
Focussed question to search strategy

Using OR then ANDto broaden then focus the search

and

and

combining terms with or
Combining terms withor

Smoking or tobacco – either term can be present

smoking

tobacco

combining terms with and
Combining terms withand

Smoking and acupuncture – both terms must be present

smoking

acupuncture

hands on1
Hands-on
  • Formulate an answerable question
    • Use your own question or one of the examples in your pack
  • Run a search on PubMedhttp://www.pubmed.gov
    • Start off with clinical queries
    • Record the details of the article that ‘best’ answers your question
pubmed tips
PubMed tips:
  • Step-by-step searching
  • Use Clinical Queries
  • Subject searching - use MeSH
    • Subject headings added to articles on Medline
    • Search the MeSH Database
  • Follow the ‘Related articles’ link
the cochrane library
The Cochrane Library
  • Specialist database including articles on clinical and cost effectiveness of interventions:
    • Systematic reviews – Cochrane Database of Systematic Reviews & DARE
    • RCTs – Central
    • Economic evaluations - NHSEED
  • Free access in the UK at http://www.thecochranelibrary.com
  • Other countries check “access options” at http://www.cochrane.org
hands on2
Hands-on
  • Take your answerable question:
    • Run further searches on PubMedhttp://www.pubmed.gov
    • Run a search on the Cochrane Libraryhttp://www.thecochranelibrary.com
resources
Resources
  • Cochrane Libraryhttp://www.thecochranelibrary.com
  • PubMedhttp://www.pubmed.gov
  • Other sources – CEBM web-site – EBM tools
  • http://www.cebm.net
slide18
Help
  • PubMed
    • Short online tutorials
    • Quick guides to PubMed – basics, MeSH search and MyNCBI

http://www.nlm.nih.gov/bsd/disted/pubmed.html

  • The Cochrane Library
    • Online tutorials
    • Help guides

http://www.thecochranelibrary.com/view/0/HowtoUse.html