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Exeter Extract

Exeter Extract

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    C:\Fakepath\Exeter Ppt Ppt New Extract C:\Fakepath\Exeter Ppt Ppt New Extract Presentation Transcript

    • Finding the Evidence Pragmatic Information Retrieval in the of Context of Evidence-based Healthcare Exeter September 2010 Kate Boddy Reinhard Wentz
    • Just One Definition of EBHC:
      • An approach to health care practice
      • in which the clinician is aware of the
      • evidence in support of his/her
      • clinical practice, and the strength of
      • that evidence
      • Postgraduate Medical Journal 1996;72:1
    • Preconditions for Successful EBHC
      • Start with a focused, answerable question
      • Select a high-yield database
      • Formulate a simple search
    • Preconditions for Successful EBHC
      • Start with a focused, answerable question
      • Select a high-yield database
      • Formulate a simple search
    • Unfocused (unanswerable) Questions
      • Is health promotion a good thing?
      • How to treat diabetes in pregnancy?
      • Is physiotherapy useful?
      • Why is Mrs. Gupta depressed?
    • Answerable question
      • How effective is a single dose
      • of dexamethasone in
      • outpatient croup?
    • Answerable question
      • Does the presence of a
      • Doula reduce caesarean
      • section rates?
    • Answerable question
      • How effective is aspirin in
      • preventing DVT in patients
      • following hip-replacement?
    • Answerable question
      • What is the predictive value of
      • PCR compared to routine
      • blood culture in the
      • treatment of neonatal sepsis?
    • Answerable question
      • How effective is
      • acupuncture in smoking
      • cessation programs?
    • Aspects of the ‘Answerable Question’
      • P atient or P roblem
      • I ntervention or exposure
      • C omparison
      • O utcome
      • = PICO
    • Preconditions for Successful EBHC
      • Start with a focused, answerable question
      • Select a high-yield database
      • Formulate a simple search
    • High-yield Databases Extracting · Evaluative · Synthesizing Databases
      • PubMed (especially Clinical Queries Option)
      • Cochrane Library
      • Google Scholar
      • NHS Evidence
      • TRIP
      • Quality Sites on the Web etc.
    • Preconditions for Successful EBHC
      • Start with a focused, answerable question
      • Select a high-yield database
      • Formulate a simple search
    • Answerable question
      • How effective is a single dose
      • of dexamethasone in
      • outpatient croup?
    • Answerable question
      • How effective is a single dose
      • of dexamethasone in
      • outpatient croup ?
    • Answerable question
      • How effective is a single dose
      • of dexamethasone in
      • outpatient croup ?
    • Answerable question
      • How effective is a single dose
      • of dexamethasone in
      • outpatient croup ?
    • The search-formulation ‘telegramme’ (here: on PubMed)
    •  
    • Answerable question
      • How effective is aspirin in
      • preventing DVT in patients
      • following hip-replacement?
    • Answerable question
      • How effective is aspirin in
      • preventing DVT in patients
      • following hip-replacement ?
    • Answerable question
      • How effective is aspirin in
      • preventing DVT in patients
      • following hip-replacement ?
    • Answerable question
      • How effective is aspirin in
      • preventing DVT in patients
      • following hip-replacement ?
    •  
    •  
    •  
    •  
    • Answerable question
      • How effective is
      • acupuncture in smoking
      • cessation programs?
    •  
    •  
      • To recap …
    • Preconditions for Successful EBHC
      • Start with a focused, answerable question
      • Select a high-yield database
      • Formulate a simple search
    • And finally ...
      • Start with a subject to which
      • you know the answer:
      • calibrate your skills (why?)
    • The curtain closes, only questions remain Brecht: The good woman of Szechwan The End
    • And finally, again ...
      • Start with a subject to which
      • you know the answer:
      • calibrate your skills (why?)
    • Calibrate your skills!
      • How effective are stockings to
      • prevent DVT in long-haul
      • airline passengers?