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    Wednesday, October 18, 2006
    Using Expert-Based Information Delivery Systems
    Information mastery measures BOTH the validity AND relevance. There is NO tool that incorporates both.

    Using an expert / being an expert

    Expert is anything or anyone you go to for an answer to a question.

    Person as an expert

    Type 1: Content expert
    Type 2: Clinical scientist
    Don't have to be content experts
    Good at evaluating evidence
    separation of therapeutics
    YODA: Your Own Data Analyzer
    Relies on POEMs first, even if this information conflicts with DOEs or clinical experience
    When POEMs not available, YODAs use the best DOE
    Demonstrate appropriate validity assessments

    YUCK - Your Unsubstantiated Clinical Know-it-all.

    POEM isn't a POEM if it's not Patient oriented. A valid DOE is NOT a POEM.

    EBM - absence of proof is not proof of absence

    Are CME's beneficial. Traditional lecure format (passive) - no. Hands on (active) learning - Maybe.

    Validity - depends on speaker
    Relevancy - depends on POEM:DOE ration

    Type 3: Review articles

    McMasters - worksheet to evaluate review articles

    The expertise of the author vaires inversely with the quality of the review - Oxman / Guyatt

    Cochrane - Excellent source for hunting and foraging. Top of the EBM pyramid.

    Our (medical librarians') job - how to tell quality from the PERCEPTION of quality.

    Be careful of the term Evidence-based Guidelines. What is important is how the evidence is USED.

    Better - Evidence-Linked Guidelines
    -Brief summary statement
    -Detailed discussion of the evidence
    -long reference section point to original research
    -Methods section showing how evidence was obtained and evaluated.

    SORT (Strength of Recommendation Taxonomy) classification - only system that takes Validity AND Relevance into consideration.

    Rating:
    A = Consistent and good quality POE
    - Standard LOEs for validity, POE for revelance
    B = Inconsistent or limited-quality POE
    C = Consensus, usual care, opinion, DOE, case series

    No hunting tool uses SORT.

    PDR - compendium of drug advertising without peer review. hmmm, I'm looking at PDR differently now.

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