Ovid CINAHL

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Ovid CINAHL Ovid Medline Search Strategies

• Helena VonVille
• UTSPH Library Director
• June 15, 2007

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PICO

• Patient Newborn infants born to mothers with
  HIV/AIDS
• Intervention Drug therapy
• Comparison which drug? best time to deliver?
  impact on future treatments?
• Outcome Prevent transmission of HIV/AIDS

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From the HAM-TMC Library
Click on Databases from the menu on the left side
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Select Your Database
Click on C (for CINAHL)
Scroll down the list until you come to it
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Find articles on HIV
hiv
Enter one term. Notice Map Term to Subject
Heading is checked
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Mapping Display
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Mapping Display
A description of each column sits below the terms.
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Click on the term to go to the Tree
Scroll down just a tad to get to HIV
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Click
Explode the term to get the narrower heading as
well
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Select sub-headings
Select Include All Subheadings even if some of
the subheadings are irrelevant to your search.
By combining the 3 concepts, you will get rid of
irrelevant items. Click
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Search Results
aids
There are nearly 1,780 citations that had the
term Human Immunodeficiency Virus applied to
them. Enter next search term.
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Mapping Display
You can Explode and Include All Subheadings from
here. You do not have to go into the tree
although it can be beneficial at times.
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Search Results
1 or 2
The search for AIDS yielded almost 8500 hits.
Now find the UNION of the two terms by combining
with OR.
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Begin Next Concept
newborns
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Mapping Display
Explode, then select Include All
Subheadings. Click on Continue.
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Search Results
Note the use of apostrophes around the term.
This will send the term to the mapping display
rather than search for those two terms within
citations.
labor and delivery
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Search Results
3 and 6
This yielded over 74,400 hits. The next step is
to find the INTERSECTION of the two terms. Then
well add the 3rd concept to the search strategy.
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Limit to English
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Search Results
While 480 is not to large a number of hits, we
can narrow even more by adding additional terms.
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Tree for Disease Transmission
Its okay to be broad. The other terms will
remove most of the non-relevant items.
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Final Results
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Display Results
Scroll down to view first 10 citations
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Anatomy of the Brief Display
Complete citation (author(s), title of article,
publication type, source, year (month), volume,
issue, pages) Find Similar button and Find Citing
Articles button Links to Abstract, Complete
Reference, Ovid Full Text (if available), and
HAM-TMC journal search site
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Item Display
As you view your results, see if there are other
terms you need to throw into the search. In this
case, Antiviral Agents and Drug Resistance are
terms that could be added.
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Ovid Menu Bar
When you are done viewing the citation, use the
Results Display or Main Search Page links rather
than the back arrow!
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Which is the best way to combine the terms? Line
18 is the broadest strategy.
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Save Your Search
From Main Search Page, lick on Personal Account
(for Searches)
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Create Personal Account
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Once Account Created
Your account name is displayed above the Search
History.
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Save Search
Click on Save Search/Alert
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Name the Search
Give it a name that makes sense
Indicate which database was searched
Click Save
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Voilà!
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To Retrieve the Search Later

• Go to CINAHL as described on the first few slides
• Click on Personal Account and login
• Click on Saved Searches
• Next to Personal Account

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Results
Check box next to the search you want to run and
click the RUN button
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When Finished Running
Click on Main Search Page once search is finished
executing
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Ovid Medline

• Same strategies apply
• Some differences in vocabulary
• MeSH (Medical Subject Heading)

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Results of Medline Search
Significantly more hits Needs more refining!
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Limit to Clinical Trials
clinical trial
Clinical trials is both a MeSH term and a
publication type. Access publication types by
clicking on More Fields but you can also do a
search for clinical trial.
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Search for Publication Type
Because clinical trial is a publication type, the
term got mapped.
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Search for Type of Study
clinical trials
Enter clinical trials (notice its plural) to
find items with this as a MeSH term.
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Final Results
By combining the two, the search was greatly
expanded, then limited with the addition of the
(HIV/AIDS)newbornsdisease transmission cluster.
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Keeping Track of Search Strategy
HIV/AIDSnewborns in English
Infection control or antivirals
HIV/AIDSnewbornsantiviralstrials
Not sure what each line represents? Print out
the search strategy, then write in the terms to
help keep track.
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Dont Forget.
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Questions?

• Contact Helena VonVille at
• Helena.M.VonVille_at_uth.tmc.edu
• 713-500-9131 OR
• HAM-TMC Library
• 713.799.7161
• http//resource.library.tmc.edu/reference/referenc
  e.cfm