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Transcript of Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching...
![Page 1: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/1.jpg)
Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol
Advanced Searching MethodsFamily Medicine
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Learning Objectives
Summarize evidence based medicine Plan a search using PICO Develop advanced searching strategies in
Medline Describe the importance of critical appraisal Examine open access journals in Africa
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What Is Evidence Based Medicine?
“Evidence based health care is the integration of individual clinical expertise with the best available external clinical evidence and the values and expectations of the patient” – Dave Sackett
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EBDM – What Is It?
Clinical Expertise
Research Evidence Patient
Preferences
EBDM
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Why Use EBM?
Advances quality of care provided Increases satisfaction of patients Refocuses practice away from habits and
tradition to evidence and researchAllows you to keep up to date with current
literature
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Acquire the best evidence
Appraise the evidence
Applyevidence to patient care
Assess your patient
Ask clinical questions
5 Step EBM Cycle
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Adapted from: Brian Haynes, R Evid Based Med 2006;11:162-164
SystemsComputerized
decision support
SummariesEvidence-based textbooks
SynopsesEvidence-based journal abstracts
SynthesesSystematic Reviews
StudiesOriginal journal articles
Haynes Tiers
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Type of Question
Suggested Type of Study
Therapy RCT>cohort>case control>case study
Diagnosis Prospective, blind comparison to a gold standard
Etiology/Harm RCT>cohort>case control>case series
Prognosis Cohort study>case control>case series
Prevention RCT>cohort study>case control>case series
Cost Economic analysis
Adapted from Duke library guide Introduction to Evidence Based Practice.
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Planning a Search
Formulate an answerable questionPull the main concepts from the questionList the terms that relate to your conceptsCombine your termsChoose your databaseSearch!
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Formulating an Answerable QuestionPICO Model
P= Patient, Problem, Population
I= Intervention
C= Comparison
O= Outcome
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Example
Your hospital wants to implement a policy of placing all HIV+ patients on INH prophylaxis therapy. You have been asked to do a review to see if that is successful in preventing tuberculosis, in particular in other African countries.
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PICO Example Continued
P – HIV positive in African countries
I – INH prophylaxis therapy
C – n/a
O – decreased rates of tuberculosis
Answerable Question: In African countries does INH prophylaxis therapy help reduce the rates of tuberculosis among HIV positive patients?
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Putting Together A Search Strategy
Pull the main concepts from your question
In African countries does INH prophylaxis therapy help reduce the rates of tuberculosis among HIV positive patients?
List the terms that relate to your concepts
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PICO Clinical Question Search Strategy
PICO Clinical Question Search Strategy
Patient Population HIV positive patients in African countries
HIV positive, HIV infection, human immunodeficiency virus, Africa, Ethiopia, Eastern Africa
Intervention INH prophylaxis therapy INH prophylaxis therapy, INH preventive therapy, Isoniazid, IPT
Comparison (if any) n/a n/a
Outcome Reduction of cases of tuberculosis
Tuberculosis
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Medline Search
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MeSH: Medical Subject Headings
Every database has its own indexing system They often use their own thesaurus or
controlled vocabulary Medline uses MeSH When searching you want to match your
keyword to the subject heading Example: keyword=cancer,
MeSH=neoplasms
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Example – Medline Search
![Page 20: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/20.jpg)
Select the Subject Heading
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View the Scope Note
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View the Tree
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View Results and Enter Next Search Term
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Select the MeSH Heading
![Page 25: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/25.jpg)
View Results and Enter Next Search Term
![Page 26: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/26.jpg)
View Results and Enter Next Search Term
![Page 27: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/27.jpg)
Combine Search Terms With “And”
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Combine Search Terms With “And”
![Page 29: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/29.jpg)
Apply Limiters
![Page 30: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/30.jpg)
View Results
![Page 31: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/31.jpg)
Get Full Text
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Full Text Article
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Can You Use DynaMed Or Clinical Evidence For Advanced Searching?
Yes and No
No It should not be your sole or even primary
searching tool
Yes Monographs do have links to original studies Think of it as a supplementary tool
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DynaMed-example
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DynaMed-example (cont’d)
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Another Example
Patient was diagnosed with diabetes mellitus within the last year. He is a Muslim and wants to know what he should do during Ramadan.
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PICO Example Continued
P – Diabetic Muslims
I – Management of diabetes during Ramadan
C – n/a
O – Safe fasting guidelines
Answerable Question: In Muslims with diabetes mellitus are there guidelines or treatment options for safely observing the Muslim fasting month?
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Putting Together a Search Strategy
Pull the main concepts from your question
In Muslims with diabetes mellitus are there guidelines or treatment options for safely observing the Muslim fasting month?
List the terms that relate to your concepts
![Page 39: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/39.jpg)
PICO Clinical Question Search Strategy
PICO Clinical Question Search Strategy
Patient Population Muslims with diabetes Muslims, Islam, diabetes type 1 or type 2, diabetes mellitus
Intervention Management of diabetes during Ramadan
Ramadan, fasting
Comparison (if any) n/a n/a
Outcome Safe fasting guidelines Guidelines, treatment
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Example – Medline Search
![Page 41: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/41.jpg)
Select the Subject Heading
![Page 42: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/42.jpg)
View the Scope Note
![Page 43: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/43.jpg)
View the Tree
![Page 44: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/44.jpg)
View Results and Enter Next Search Term
![Page 45: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/45.jpg)
Select the MeSH Heading
![Page 46: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/46.jpg)
View Results and Enter Next Search Term
![Page 47: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/47.jpg)
View Results and Enter Next Search Term
![Page 48: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/48.jpg)
Combine Search Terms With “And”
![Page 49: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/49.jpg)
Combine Search Terms With “And”
![Page 50: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/50.jpg)
Too Few Results? Remove a Search Term
![Page 51: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/51.jpg)
Apply Limiters (Practice guidelines or reviews)
![Page 52: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/52.jpg)
View Results
![Page 53: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/53.jpg)
Next Steps
![Page 54: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/54.jpg)
Acquire the best evidence
Appraise the evidence
Applyevidence to patient care
Assess your patient
Ask clinical questions
5 Step EBM Cycle
![Page 55: Presented by: Robyn Butcher, Sandra Kendall, Carla Hagstrom and Gail Nichol Advanced Searching Methods Family Medicine.](https://reader031.fdocuments.in/reader031/viewer/2022032606/56649e8e5503460f94b921d5/html5/thumbnails/55.jpg)
Why Do We Need To Critically Appraise?
To ensure research is valid and reliable
To ensure the statistics match the information in the discussion section
To decide whether this article is going to help you with your decision making
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Basic Critical Appraisal
What journal did it appear in?
Who are the authors?
What is the broad question they are asking? Did
they actually address this question?
Was the methodology appropriate? Did it
produce reliable data?
What are the reported results?
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Critical Appraisal Forms
SIGN (Scottish Intercollegiate Guidelines Network)http://www.sign.ac.uk/methodology/checklists.html
Centre for Evidence-Based Medicinehttp://ktclearinghouse.ca/cebm/teaching/worksheets
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Where Can I Find This Presentation?
www.TAAAC.com
Programs Library Science Training
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Any Questions?