| Date post: | 18-Jul-2015 |
| Category: |
Health & Medicine |
| Upload: | adamtocock |
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Research Skills Course
Papworth HospitalNHS Foundation Trust
In collaboration with
Developing the idea: literature searching
Adam TocockClinical Outreach [email protected]
Julie AikensE-Resources [email protected]
Research Skills Course
Sources and strategies for finding evidence
Internet
NHS Evidence Resources
Reviews
Cochrane Library
Medline and other databases
Research Skills Course
Internet
Quality
– Transparency
– Authority
– Privacy
– Currency
– Accountability
– Accessibility
Gateways
Research Skills Course
NHS Evidence Resources
Databases
Journals
www.evidence.nhs.uk
Research Skills Course
Research Skills Course
Research Skills Course
Reviews
Help to formulate or develop ideas
Sheer volume of literature
Types of review
Where to find reviews
Research Skills Course
Cochrane Library
Cochrane Database of Systematic Reviews (CDSR)
Database of Abstracts of Reviews of Effects (DARE or Other Reviews)
Cochrane Central Register of Controlled Trials (CENTRAL)
www.thecochranelibrary.com
Research Skills Course
Research Skills Course
Healthcare databases
Research Skills Course
Sources of evidence
SOURCES
Referencelists
Databases
Contact withresearchers/practitioners
Greyliterature
Pharmaceuticalindustry
Research
Handsearching
Conferenceproceedings
Citationindexes
MEDLINE PsycInfo
Evidence-based
Registers
Research Councils
Publishedcopies
Indexes
OPACs
Databases
InternetDirectcontact
Research Skills Course
Finding the evidence
Key factors:
Search strategy
Database structure
Research Skills Course
Search strategy:formulating an answerable question
Use your own words
Descriptors or keywords
Parameters
Research Skills Course
Focusing the question
Health services research often uses PATIENT-INTERVENTION-COMPARISON-OUTCOME (PICO)
Problem or patient group?
Intervention?
Comparable interventions?
Outcomes of interest?
Research Skills Course
PICO in practice
In men aged over 70 with non-metastatic prostate cancer, does radical prostatectomy, as compared with watchful waiting, prevent the spread of disease or increase survival time?
Research Skills Course
PICO in practice
Watchful waitingWhat the alternatives would be
Comparison
Occurrence of metastases, overall survival time
The events that you are trying to prevent (or bring about)
Outcomes
Radical prostatectomyWhat are you considering doing?
Intervention
A man aged over 70 with non-metastatic prostate cancer
A description of your patient including their clinical condition
Patient
ExampleDescriptionComponent
Research Skills Course
Database structure: MEDLINE
TI TitleAU Author(s)AD AddressSO Journal DetailsPY Publication YearLA Language of ArticleCP Country of PublicationAB AbstractMESH Medical Subject Headings
(Thesaurus terms / Descriptors)
Research Skills Course
Live search
Search techniques Thesaurus terms Mapping Boolean operators Search filters
Research Skills Course
Sensitive search strategy design
Thesaurus terms e.g. MESH, Emtree
and
Free text searching
= High recall
Research Skills Course
10 tips for searching
Define a focused question
Identify and use appropriate resources
Search one database at a time
Use free text and thesaurus searching
Search for one concept at a time
Research Skills Course
Always ‘explode’ your term
Know how to use AND / OR
Be cautious about limiting searches
Evaluate results and re-visit strategy
Attend a training course
10 tips for searching
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