Access to Information Sources through Controlled Vocabulary by mrz53354

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									Access to Information Sources
through Controlled Vocabulary


       James J. Cimino, M.D.
  Department of Medical Informatics
        Columbia University
             old slides
• type 2, 3 and 4
• medline button screens
One-Stop Information Shopping?
Community        World Wide Web      Information
Practitioner   (The Hyperdocument)   Resources

                                              Biblio-
                                              graphic
                                             Database


                                             Textbook



                                              Expert
                                              System
One-Touch Information Shopping
Community      World Wide Web      Information
Practitioner   (The Facilitator)   Resources

                                            Biblio-
                                            graphic
                                           Database


                                           Textbook



                                            Expert
                                            System
   Building Infobuttons to the Web

              Patient     User       Care
               Data      Profile    Setting



                        Context



 Query       Query       Source        Query     Results
Generator   Selection   Selection     Transfer   Retrieval
       Method 1 - Use the Data
• Extract concepts directly from patient data
                              Cholesterol Guideline
Clinical Information System       Cholesterol
                                     Level
        Cholesterol
          Level                    Medline
                                  Pulmonary
                                  Congestion
        Pulmonary
        Congestion
                                   Webpath
                                  Pulmonary
                                  Congestion
                Screen shots - 10
•   Cholesterol results to guideline
     – chem20
     – What diet?
     – Recommendation lipid lowering agent
•   X-ray reports to variety of Web resources
     – X-ray report
     – Findings
     – Questions
     – Medline results
     – Medline abstract
     – second set of questions
     – Webpath
Method 2 - Link Data to Source
• Use literal data associated with concepts

Clinical Information System
                                 Drug/Diet Interactions
   Digoxin 0.125mg Tab
                                       DIG.html



   Digoxin 0.125mg Tab         Physician's Desk Reference
  Interaction Code: "DIG"
                                       Lanoxin
  Trade Name: "Lanoxin"
                                       Tablets
 Medical Entities Dictionary
           more screen shots - 4
•   Patient medications to drug references

     – drug order
     – diet info
     – PDR
     – PDR
Method 3 - Get Related Concepts
• Extract concepts directly from patient data

 Clinical Information System
      Cholesterol Level             Medline
                                  Cholesterol

     Cholesterol Level

                Cholesterol          DXplain

Hypercholesterolemia           Hypercholesterolemia
 Medical Entities Dictionary
         screen shots galore - 7
•   Laboratory tests to Medline
     – Chem20
     – Question list
     – DXplain Diseases (list)
     – DXplain Disease (result)
•   Laboratory tests to DXplain
     – Chem20
     – List of findings
     – Differential diagnosis
             Conclusions
• Controlled vocabularies help:
  – predict information need
  – select appropriate resource
  – automate the query process
• The Web makes the rest easy
• One-touch shopping: improves usability
• Lowering barriers to use improves
  usefulness
        Acknowledgments

      • Gai Elhanan
      • Socrates Socratous
      • Qing Zeng
      • National Library of Medicine

www.cpmc.columbia.edu/cisdemo/infobutton

								
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