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Literature reviews: Finding the Evidence

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Literature reviews are a summary and critical evaluation of particular topic within a specific discipline.A well-research literature review aims to identify:
relevant sources that are highly-cited in the literature
relevant sources from other disciplines
authors that are experts in the field
Literature reviews are part of an ongoing scholarly conversation.

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Literature reviews: Finding the Evidence

  1. 1. LITERATURE REVIEWS PRESENTED BY: Clara Fowler, Manager of Research Services & Assessment
  2. 2. Literature reviews are a summary and critical evaluation of particular topic within a specific discipline. They are often connected with a case report or case series. They can point out where literature is lacking or further research is needed. Image by Mark Smicklas, https://www.flickr.com/photos/intersectionconsulting/albums/72157614274686504
  3. 3. Literature reviews are part of an ongoing scholarly conversation. No one piece of scholarly work usually represents the only perspective. Image by Mark Smicklas, https://www.flickr.com/photos/intersectionconsulting/albums/72157614274686504
  4. 4. Developing a literature reviews comes with the responsibility to seek out accurate and reliable information. It is important to assess the information you find and understand its context. Image by Mark Smicklas, https://www.flickr.com/photos/intersectionconsulting/albums/72157614274686504
  5. 5. A well-research literature review aims to: • relevant sources that are highly-cited in the literature • relevant sources from other disciplines • authors that are experts in the field Photo by Matthias Werner https://www.flickr.com/photos/matthiaswerner1984/5723015665/
  6. 6. Databases to start your search: • UpToDate • PubMed • Scopus • TRIP (Turning Research Into Practice) Photo by Robin Byles https://www.flickr.com/photos/robinbyles/3158141956/
  7. 7. Use the PICO format for clinical questions In patients with Dry Eye Disease, does the new drug Xiidra improve quality of life over OTC eye drops? Patient/Population: Dry Eye Disease Intervention: Xiidra Comparison: OTC eye drops Outcome: Quality of life PICO QUESTIONS
  8. 8. Search strategies 1. Keyword searching 2. Subject heading searching 3. (MeSH, EMTREE, CINAHL Headings) 4. Reference lists 5. Cited references Photo by Hasin Hayder https://www.flickr.com/photos/storyteller/6436685931/
  9. 9. Search strategies: Keywords • Create a list of commonly used terms to describe each of your concepts • As you find relevant articles, see if there are keywords to add to the search • Combine synonyms using OR • Combine different concepts using AND Photo by Paul Wilkinson https://www.flickr.com/photos/eepaul/7008085799/
  10. 10. Constructing a Search keywords & subject headings Drug names: Brand: Xiidra Scientific: Lifitegrast Experimental: SAR 1118 Class: lymphocyte function-associated antigen 1 (LFA-1) antagonist Condition names: Dry Eye Disease Dry Eye Syndromes (MeSH) Comparison names: Nonprescription drugs (MeSH), Over the counter, OTC, non-prescription Lubricant Eye Drops (MeSH), artificial tear drops, artificial tears, lubricating eye-drops Photo by Wayne SH Lin https://www.flickr.com/photos/wayne_lin/8319765817/
  11. 11. Boolean Operators: Combining terms using AND and OR (Xiidra OR Lifitegrast OR SAR 1118) AND (dry eye syndrome OR dry eye disease) Xiidra OR Lifitegrast OR SAR 1118 dry eye syndrome OR dry eye disease AND = different concepts OR = synonyms for same concept
  12. 12. Organizing results • Staying organized is key for a successful search • Keep like items together • Organize your search by concept or search technique • Use a citation management system from the beginning (the Library teaches classes in EndNote) • Save or document your search strategies Photo by Sarah Parrott https://www.flickr.com/photos/thingsarebetterwithaparrott/2448698383/
  13. 13. Finishing a search You are finished when you’ve: • Searched multiple databases • Identified the key authors/researchers • Looked at the reference lists for on-target articles and found nothing new Photo by Glamhag https://www.flickr.com/photos/glamhag/1348879124/
  14. 14. QUESTIONS? Call: 713-792-2282 Text: 281-369-4872 Twitter: @MDAndersonLib Visit: Pickens Floor 21 Email: rml-help@mdanderson.org Photo by Louis Vest https://www.flickr.com/photos/oneeighteen/13960057990/

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