regina zopf, fda, bethesda, md, usa jeff abolafia, rho ... · bhargava reddy, ucb, raleigh, nc usa...
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Paper Authors Regina Zopf, FDA, Bethesda, MD, USA Jeff Abolafia, Rho, Chapel Hill, NC, USA Bhargava Reddy, UCB, Raleigh, NC USA Presented by Trisha D. Simpson
FastHealthcareInteroperabilityResources
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• Extracted data for diabetic type 2 patients from the MITRE SyntheticMass Synthea Health Information Exchange (HIE)
• Mapped certain data points to CDASH & SDTM
• Generated CDASH-compliant CRFs
• Generated SDTM-compliant datasets
• Had a little fun
• Ran across a few needed tweaks to FHIR, CDASH & SDTM
• Realized further exploration & more work is needed
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• EHR data are potential goldmines for both RWE & clinical research
• FHIR Resources are similar to the structure used in CRFs
• We wanted to see how difficult it is to populate CRFs & datasets
• We wanted to have fun
• FHIR shows promise as a way to link provider and research data
• Potential benefits include identification of related conditions/interactions and time reduction for data entry at the site
• If we really want to get to bi-directional data integration (Healthcare Research) and true interoperability, FHIR is a solution
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Uses RESTful APIs to exchange data
EHR standard accepted globally
Machine & human readable
Integrates diverse data
80 / 20 rule followed
Data organized as Resources
Can query for specific data points
Hierarchical metadata structure – better organized
Resources can be combined
Intuitive, easy to learn
Easier to find & access data
BUT! Do not forget about CCD … it is still most commonly used
Truly interoperable – can be used on any system
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https://www.hl7.org/fhir/resourcelist.html
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[SDTM: DM.RACE] [CDASH: DM.RACE] [FHIR: Patient.extension.StrutureDefinition.us-core-race]
[SDTM: DM.SEX] [CDASH: DM.SEX] [FHIR: Patient.Gender]
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• Many of the FHIR resources can be used in CDASH & SDTM, but not all
• Some CDASH & SDTM data will still need to be entered/derived
• EHRs typically use SNOMED, ICD-10 & LOINC
• It is possible to extract multiple SDTM variables from one LOINC code in LB & VS (--CAT, --TEST, --UNIT, --SPEC, --METHOD)
• CDASH/SDTM do not have specific variables for Encounter type – this addition should be considered
• All concepts have different variable names in FHIR and CDASH/SDTM
• Controlled terminology is typically not harmonized
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• FHIR allows for data subscriptions, or data queries – these can be used to extract ONLY the data needed and for real-time data access
• The EHR-to-CDASH (E2C) team must continue mapping the remaining FHIR domains
• Real-time translation code is needed
• Additional CDASH/SDTM variables may be useful to store the original SNOMED/ICD-10 codes
• CDASH should consider FHIR resources in future versions
• Additional FHIR extensions to better support research
• This PhUSE Research on FHIR team has more work to do … so come join us