Transcript hl7-meeting-summ-for-cds-0103

Welcome To The
HL7 Clinical Decision Support
Meeting!
Co-Chair
Robert A. Jenders, MD, MS
15 January 2003
(Please sign in.)
HL7 Working Group Meeting
San Antonio
TSC and Arden Syntax SIG Summary
Robert A. Jenders, MD, MS
Department of Medicine
Enterprise Information Services
Cedars-Sinai Medical Center / UCLA
January, 2003
RIM
• Publication schedule
– Ballot closed 6 Jan
– Final content deadline 10 Feb
– Next ballot open 10 March
– Ballot resolution in Cleveland week of 27 April
• RIM harmonization: Recent changes mostly
definitional
– Over past year, classes reduced by half, attributes by
2/3 (but stable most recently)
Process Improvement Committee
• Created by Board 12/2002
• Membership concerns identified by survey:
– Inconsistent decision-making practices (notification,
quorums)
– Ballot process (poor feedback)
– Workload distribution (too few workers!)
• Projects: Newsletter, updated co-chair handbook,
complaint tracking
HL7 – IHE Collaboration
• IHE: Integrating (imaging with) the Healthcare
Enterprise
– Project of RSNA + HIMSS (international)
– Attracting other groups: ACC, pharmacy,
laboratory
– Not an SDO: Coordinate use of current standards
in order to facilitate systems integration
– www.rsna.org/IHE
TSC - Other
• Approved update of Conformance SIG
Mission/Charter update (to include advising Board
about relationships with other groups interested in
conformance tools)
• Approved update of Community-based Health Services
mission/charter update (to include editing of referral
chapter on behalf of Patient Care TC)
TSC: Recent Ballot Results
• Requirements: 60% vote, membership: 90% of Y/N =
Y; committee: 2/3 Y/N = Y
• Passed:
– RIM committee ballot (with 13 negative ballots that
need to be reconciled)
• Failed:
– V2.5 membership ballot: Needed 48 affirm votes,
got only 20 affirm + 33 neg
– V2 XML membership ballot
Arden SIG
• Arden v2.5: Transition to OO model
– New syntax: explicit typing (OBJECT) and query
(READ AS)
– Reviewed related issues:
• Time of objects (vs its attributes)
• Applying (aggregation) operators to objects
themselves (vs attributes): max, min, sort, etc
• Assignment by reference vs value
• Object creation outside of a database read
• Action items: Develop use cases, refine syntax
Arden SIG
• Arden as XML: Reviewed proposed XML Schema
– Explored further structuring of Citations slot
• Refinement of notifier model: Further structuring of
Write statement
• Database references: Discussed model for using RIM
classes, SQL and published vocabularies to create a
standard Read statement