Lit Reviews for the Health Sciences

Literature Reviews for the Health Sciences June 21, 2010 Robin Featherstone Clinical Medicine Librarian [email_address] Presentation available at: www.slideshare.net/featherr

What’s a Research Lit Review? ,[object Object],[object Object]

Why would you have to conduct one? ,[object Object],[object Object],[object Object],[object Object],[object Object]

7 tasks in the Research Lit Review ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why do I need a research question? ,[object Object],[object Object],[object Object]

Scenario ,[object Object],[object Object]

Questions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How questions influence search results Relevancy Retrieval (# of search results) Broad Questions Narrow Questions High = lots of articles Low = very few articles High = directly relevant articles Low = mostly irrelevant articles

Good Question for Literature Review ,[object Object],[object Object]

Lit reviews depend on data from seven sources ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

To find databases... ,[object Object],[object Object],[object Object]

Selecting sources ,[object Object],[object Object]

Some places to search ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Breaking down your question ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why do I have to select a database first? ,[object Object],[object Object],[object Object]

Different databases have different subject headings ,[object Object],[object Object],[object Object],[object Object],Database Subject Headings Medline MeSH EMBASE EMTREE CINAHL CINAHL Headings Cochrane Library MeSH Web of Science N/A Scopus N/A

Identifying concepts ,[object Object],[object Object],[object Object],[object Object],[object Object]

Sample Search Strategy Concept #1 Concept #2 Concept #3 Subject Headings Keywords AND AND OR Hypertension [MeSH]+ Diabetes Mellitus, Type 1 [MeSH]+ Blood Pressure Monitoring, Ambulatory [MeSH] OR OR OR OR Hypertensi$.mp. (Diabetes mellitus adj5 (type 1 OR insulin?dependent OR juvenile?onset OR sudden?onset)).mp. ((blood pressure OR BP) adj2 (monitor$ OR test$) adj5 (home OR self OR ambulatory)).mp. OR ((high OR elevated) adj2 (blood pressure OR BP)).mp. Iddm.mp. OR OR

Some key operators in Ovid Note: These are recommended operators for research lit reviews. There are many, many more operators... Use Ovid‘s Help menu to locate them. Or see: http://content.library.utoronto.ca/gerstein/subjectguides/ovidmedline_shortcuts.pdf Operator Command $ Truncation (finds alternate endings) ? Wildcard (finds alternate spellings) .mp. Mapping Alias (tells Ovid to search for your term in the Title, Abstract, Subject Headings, Table of Contents and Key Phrase Identifier fields) – useful for lit. reviews because it is broad () Parentheses control the order of search operations Adj Adjacency operator (can be followed by a number) tells Ovid terms must appear adjacent to one another AND all terms must appear in results OR any terms will appear in results

Does hand washing prevent MRSA in the ICU? Hand washing MRSA ICU Prevention

Running your search(es) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Running your search(es) Search #2 = Search #3 = Search #4 = Search #5 = #1 OR #2 OR #3 OR #4 Search #1 = Concept 1 Search #6 = Search #7 = Search #8 = Search #9 = Concept 2 Search #10 = #6 OR #7 OR #8 OR #9 Search #11 = #5 AND #10 Results

Applying practical & methodological screening criteria

Screening ,[object Object],[object Object],[object Object],[object Object]

Practical Screening Criteria – some examples ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Methodological Screening Criteria - some questions to ask ,[object Object],[object Object],[object Object],[object Object],[object Object]

Applying Screens (or limits) ,[object Object],[object Object]

Apply Practical Screens ,[object Object],[object Object]

Moving to another source ,[object Object],[object Object],[object Object]

Hand searching and final steps ,[object Object],[object Object],[object Object],[object Object],[object Object]

Working with your results ,[object Object],[object Object],[object Object]

Look for Patterns ,[object Object],[object Object],[object Object],[object Object]

Use your results to... ,[object Object],[object Object],[object Object],[object Object],[object Object]

Recap ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Questions Robin Featherstone Clinical Medicine Librarian [email_address]

Lit Reviews for the Health Sciences

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