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Access to Health Care Information Resources through Intelligent Controlled Terminologies

Access to Health Care Information Resources through Intelligent Controlled Terminologies. James J. Cimino, M.D. Columbia University Department of Medical Informatics. Overview. What needs fixing? What is an "intelligent controlled terminology?"

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Access to Health Care Information Resources through Intelligent Controlled Terminologies

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  1. Access to Health Care Information Resources through Intelligent Controlled Terminologies James J. Cimino, M.D. Columbia University Department of Medical Informatics

  2. Overview • What needs fixing? • What is an "intelligent controlled terminology?" • How does it assist with access to information resources?

  3. What Needs Fixing? • Finding the right resource is hard • Using each resource is awkward • It's easy to get overwhelmed

  4. Example: Weird Organism • Encountered on lab test result • What resource has the right information? • How do I get to the resource? • How do I ask the question? • What was that organism again?

  5. Solution: "Infobuttons" • Button is integrated with clinical system • Knows that Medline has information • Knows how to get to Medline • Knows how to translate organism name • Knows how to query Medline • Result: one-touch Medline search

  6. Under the Hood:Intelligent Controlled Terminology • CPMC Medical Entities Dictionary (MED) • Semantic network of 50,000 concepts • Includes definitional information through semantic relationships • Tightly coupled with the Unified Medical Language System

  7. Medical Entities Dictionary Medical Entity Laboratory Specimen Substance Event Anatomic Substance Plasma Specimen Diagnostic Procedure Chemical Substance Sampled Carbo- hydrate Bioactive Substance Laboratory Procedure Laboratory Test Plasma Has Specimen Plasma Glucose Glucose CHEM-7 Substance Measured Part of

  8. How does the Infobutton Work? Clinical Information System Vocabulary Server Web Server Internet Clinician Information Source Information Source

  9. Examples of Infobuttons • Laboratory tests to Medline • Laboratory tests to DXplain • Cholesterol results to guideline • X-ray reports to variety of Web resources • Patient medications to drug references

  10. screen shots galore • Laboratory tests to Medline • Chem20 • Question list • Laboratory tests to DXplain • DXplain Diseases (list) • DXplain Disease (result) • List of findings • Differential diagnosis • Cholesterol results to guideline • Does pt have CHD? • Recommendation lipid lowering agent • X-ray reports to variety of Web resources • X-ray report • Findings • Questions • Medline results • Medline abstract • Chorus page • Patient medications to drug references • ?????????

  11. Advantages of Knowledge-Based Approach • Re-use of terms by multiple applications • Translation of terms between applications • Integration of data from multiple sources • Coordination of patient data with information resource concepts • Ability to support maintenance of the terminology itself

  12. Implications for Federal Information Resources • Allow more sophisticated access to resources • Reusability of terminology • Maintenance of terminology

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