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Research Skills Course Papworth Hospital NHSFoundat ion Trust In collaboration with Developing the idea: literature searching Adam Tocock Clinical Outreach Librarian [email protected] Julie Aikens E-Resources Librarian [email protected]
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Developing the idea searching the literature, adam library

Jul 18, 2015

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Page 1: Developing the idea   searching the literature, adam library

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]

Page 2: Developing the idea   searching the literature, adam library

Research Skills Course

Sources and strategies for finding evidence

Internet

NHS Evidence Resources

Reviews

Cochrane Library

Medline and other databases

Page 3: Developing the idea   searching the literature, adam library

Research Skills Course

Internet

Quality

– Transparency

– Authority

– Privacy

– Currency

– Accountability

– Accessibility

Gateways

Page 4: Developing the idea   searching the literature, adam library

Research Skills Course

NHS Evidence Resources

Databases

Journals

www.evidence.nhs.uk

Page 5: Developing the idea   searching the literature, adam library

Research Skills Course

Page 6: Developing the idea   searching the literature, adam library

Research Skills Course

Page 7: Developing the idea   searching the literature, adam library

Research Skills Course

Reviews

Help to formulate or develop ideas

Sheer volume of literature

Types of review

Where to find reviews

Page 8: Developing the idea   searching the literature, adam library

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

Page 9: Developing the idea   searching the literature, adam library

Research Skills Course

Page 10: Developing the idea   searching the literature, adam library

Research Skills Course

Healthcare databases

Page 11: Developing the idea   searching the literature, adam library

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

Page 12: Developing the idea   searching the literature, adam library

Research Skills Course

Finding the evidence

Key factors:

Search strategy

Database structure

Page 13: Developing the idea   searching the literature, adam library

Research Skills Course

Search strategy:formulating an answerable question

Use your own words

Descriptors or keywords

Parameters

Page 14: Developing the idea   searching the literature, adam library

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?

Page 15: Developing the idea   searching the literature, adam library

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?

Page 16: Developing the idea   searching the literature, adam library

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

Page 17: Developing the idea   searching the literature, adam library

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)

Page 18: Developing the idea   searching the literature, adam library

Research Skills Course

Live search

Search techniques Thesaurus terms Mapping Boolean operators Search filters

Page 19: Developing the idea   searching the literature, adam library

Research Skills Course

Sensitive search strategy design

Thesaurus terms e.g. MESH, Emtree

and

Free text searching

= High recall

Page 20: Developing the idea   searching the literature, adam library

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

Page 21: Developing the idea   searching the literature, adam library

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