Allen Pavilion Medicine Grand Rounds James J. Cimino, MD, FACP, FACMI Professor of Medicine and...
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Allen Pavilion Medicine Grand Rounds
James J. Cimino, MD, FACP, FACMI
Professor of Medicine and Biomedical Informatics
Columbia University
May 13, 2004
“Medical Informatics”
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Allen Pavilion Medicine Grand Rounds
James J. Cimino, MD, FACP, FACMI
Professor of Medicine and Biomedical Informatics
Columbia University
May 13, 2004
“Recognizing and Resolving Information Needs of WebCIS Users”
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Studying Information Needs
Covell DG, Uman GC, Manning PR. Information needs in office practice: are they being met? Ann Intern Med. 1985 Oct;103(4):596-9.
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Results of Observational Study
• 47 physicians
• Observed during a half day of typical practice
• Estimated 2-3 questions per physician per day
• 269 questions raised about patient management
• Only 30% were answered during the patient visit
• Usual resource was another physician
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Other Observational StudiesThe information needs of practicing physicians in northeastern New York State.
Assessment of physicians' information needs in five Texas counties
Information needs of rural health care practitioners in Hawaii.
Knowledge management in clinical practice: a systematic review of information seeking behavior in physicians
Information needs and information-seeking behaviors of on-call radiology residents
Expanding the concept of medical information: an observational study of physicians' information needs
Curbside consultation practices and attitudes among primary care physicians and medical subspecialists
Information needs of health care professionals in an AIDS outpatient clinic as determined by chart review
Methods for assessing information needs of clinicians in ambulatory care.
Real-time information-seeking behavior of residency physicians
Information seeking in primary care: how physicians choose which clinical questions to pursue and which to leave unanswered
Physicians' use of computer software in answering clinical questions.
Residents' medical information needs in clinic: are they being met?
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Findings
• Information needs occur often
• They are often unresolved
• Computer-based resources are underused:– Lack of knowledge of existence– Lack of access– Lack of navigational skills– Perceived lack of time
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Information Needs of CIS Users
• Stereotypical tasks suggest recurrent needs
• System knows:– Who the user is– Who the patient is– What the user is doing– What information the user is looking at
• User is sitting at a computer!
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One-Stop Information Shopping?
World Wide Web(The Hyperdocument)
InformationResources
Biblio-graphic
Database
Textbook
ExpertSystem
HealthPractitioner
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One-Touch Information Shopping
InformationResources
World Wide Web(The Facilitator)
Biblio-graphic
Database
Textbook
ExpertSystem
HealthPractitioner
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Information for Decision-Making
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Information for Decision-Making
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?MRSA
Information for Decision-Making
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Intelligent Decision Support
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Intelligent Decision Support
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Query
MRSA
Intelligent Decision Support
?
Result
!
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Automated Decision Support
MRSA
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Automated Decision Support
UnderstandInformation
Needs
1MRSA
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Automated Decision Support
Get InformationFrom EMR
UnderstandInformation
Needs
1
2
MRSA
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Automated Decision Support
Get InformationFrom EMR
ResourceSelection
UnderstandInformation
Needs
1
2
3
MRSA
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Automated Decision Support
Get InformationFrom EMR
ResourceSelection
ResourceTerminology
UnderstandInformation
Needs
1
24
3
MRSA
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Automated Decision Support
Get InformationFrom EMR
ResourceSelection
ResourceTerminology
UnderstandInformation
Needs
AutomatedTranslation
1
254
3
MRSA
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Automated Decision Support
Get InformationFrom EMR
ResourceSelection
ResourceTerminology
QueryingUnderstandInformation
Needs
AutomatedTranslation
1
254
6
3
MRSA
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Automated Decision Support
Get InformationFrom EMR
ResourceSelection
ResourceTerminology
Querying
Presentation
UnderstandInformation
Needs
AutomatedTranslation
1
254
6
3
7
MRSA
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First Attempt: The Medline Button
• CIS (WebCIS’s predecessor) on mainframe
• BRS/Colleague (Medline) on same mainframe
• Get them to talk to each other
• Search using patient diagnoses and procedures
• Kludge required
• Technical success
• Practical failure
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Research Issues
• What are the information needs?
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Portable Usability LabUser’s Workstation
Microphone
Video Converter
75 foot cable
Converter Controller
Cassette RecorderVCR
Headphones
Video Monitor
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Research Issues
• Which context information is important?
• What are the information needs?
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Context-Dependent Information Needs
Age Sex TrainingRole DataTask
Context
? !
Institution
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Research Issues
• What resources can satisfy needs?
• How can retrieval be automated?– What context data are used?– How are the data translated?
• What are the information needs?
• Which context information is important?
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The Medical Entities Dictionary (MED)
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Research Issues
– How are the data transmitted?
• What are the information needs?• Which context information is important?• What resources can satisfy needs?• How can retrieval be automated?
– What context data are used?
– How are the data translated?
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Under the Hood
• Infobutton links in WebCIS pass context to Infobutton Manager (IM)
• IM matches context to questions
• IM uses MED to translate concepts
• IM constructs English questions and Web links
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Translation for Decision Support
Gentamicin
InjectableGentamicin
Gentamicn Sensitivity
Test
SerumGentamicin
Level
GentamicinToxicity
EtiologyMeasures
Sensitivity
Substance Measured Has ingredient
DecisionRule
ExpertSystem
DrugInformation
Clinical Data
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Infobutton Manager Manager
• Maintains list of generic questions and links
• Maintains list of criteria for matching questions
• Placeholders are “fill in the blanks” (Madlibs)
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The Coumadin Story
• Joe Tennenbaum wants link to Coumadin protocol
• First, I have to find the guidelines
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The Coumadin Story
• Joe Tennenbaum wants link to Coumadin protocol
• First, I have to find the guidelines• Then I have to add the question to the IM table
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The Coumadin Story
• Joe Tennenbaum wants link to Coumadin protocol
• First, I have to find the guidelines
• Then I have to add the question to the IM table• Finally, I link the question to the context
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The Coumadin Story
• Joe Tennenbaum wants link to Coumadin protocol
• First, I have to find the guidelines
• Then I have to add the question to the IM table
• Finally, I link the question to the context• Voilá!
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Next Steps
• Repeat the observational study
• Look at system logs to see if:– Infobutton use is rising– Use of other resources is falling
• Order entry Infobuttons
• Collaboration with Regenstrief and LDS
• Infobutton Manager to be an ANSI standard
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Conclusions
• Information needs arise while using CIS
• Infobuttons are easy to build
• Are they the right buttons?
• Will information needs be satisfied?
• Will care improve?
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Acknowledgments
• National Library of Medicine
• The team:– Jianhua Li– Sue Bakken– Vimla Patel– Mureen Allen– Leanne Currie– Mark Graham
www.dmi.columbia.edu/homepages/ciminoj/Infobuttons.html
Any users out there?