AID 201406 Agenda

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These are the minutes of the AID out-of-cycle meeting held in Amsterdam, the Netherlands, on June 3rd 2014.


  1. Rene calls to order at 09:30
  2. Administrative agenda items
    • Announcements
      • Rene: I intent to capture (some of) the presentations on video, and as per our DMP I request permission from the group and from the speakers to do so.
        • No objections were raised.
    • Aproval of the agenda
    • MOTION To approve the minutes of the San Antonio January 2014 WGM
      • Approved 10-0-2(y-n-a, Ewout/Alexander)
    • MOTION To approve the minutes of the Phoenix May 2014 WGM
      • Approved 10-0-2(y-n-a, Ewout/Alexander)
    • User Groups
      • Rene: at some point AID may be transformed into a fullblown HL7 User Group (HUG). At this point in time the idea is that all HL7 members (of HL7 International, or of any affiliate) will be able to participate for free. Non-members pay a fee of $100 a year, and get to attend all meetings. The $100 (EUR 70) was defined for a UG with just one annual face to face meeting in mind. On the assumption we (as AID) can nearly always use a sponsored meeting room (e.g. provided by a software vendor) the meetings costs are limited to catering costs (EUR 20-45, depending on the quality thereof).
      • Review AID Transition Plan (WG to HUG)
        • A meeting fee of about EUR 30 wouldn't be an issue, it would actually show some level of commitment, and would discourage no-shows. Ewout: problem around whose bank account to use, who will do the invoicing. Rene: HL7 International doesn't wish to be involved in this. Maybe local affiliate, or some company.
        • Of the participants today only 3 are not members of HL7 nor an affiliate.
        • Ewout: I have an intrinsic motivation to 'share', having the shared information behind some 'membership only wall' doesn't motivate me to share.
    • Review/update AID Activities
      • Discussion deferred until later in the agenda.
  3. Implementation aspects of my own PHR (Dirk Jan van der Pol, Quli, NL)
    • Dirk Jan had to cancel his talk due to illness.
  4. FHIR and DICOM (Ewout Kramer, Furore)
    • Ewout took part in the SIIM hackathon, a diagnostic imaging hacking event. He will briefly present his experiences in blending RESTful DICOM approaches with FHIR.
      • Ewout had no knowledge of DICOM prior to SIIM. The FHIR resource combines study/series/instance data, whereas QIDO/WADO-RS deals with those individually. Smaller issues reletaed to data types.
      • First time that Ewout was in contact with respresentatives from imaging companies, FHIR resourse dev in close cooperation, they'll visit HL7 connectathons as well.
      • Discussion around getting more DICOM implementers to the join these meetings? Good idea.
  5. An OpenEHR RESTful Archetyped API (Jan-Marc Verlinden, Medvision360, NL) (max 40 minutes)
    • Jan-Marc and Ralph are working on a RESTful API (see for MEDRecord, an open source OpenEHR based application. They will show how the API is related to the back end EHR, as well as how one could create a FHIR frontend on top of this API.
    • (side note) Developed PAAS for dicom data, we found its impossible to store that mass amount of data, found non-fiber netweroks uncable for cloud storage of the data. Project at Univ. of Utrecht, used project hackathon to push the project forward. Show combined medical images (MRI and 24 channel EEG) in 3D. Philips MRI fMRI. DICOM + Philips DICOM. Two vendors related to image processing and viewing.
    • MEDRecord with archetyped API.
      • Tried an XML approach (w XML db first). Queries would take up to 8 seconds, too slow.
      • Postgress version. MedRecord JSON API. No AQL support, not sure what query language to support, AQL not finalized yet, currently use postgress queries. Focusing on spicif queries for specific use cases, not generic query option. Query for EHRs associated with a certain patients, then query for compositions within such EHRs. OpenEHR has an API specificed in XML.
      • XML version is open sourced, Postgress version has not been open sourced.
    • Ian: there's an interest in defining a common REST based interface for OpenEHR. We have a XML representation, JSON needs to be worked on.
    • Jan-Marc: in OpenEHR, split between communications model and knowledge system, shows HL7 VMR model (for decision support) mapping.
    • Jan-Marc: no problem creating a FHIR interface. Would need mappings. Ian: it's actually not that hard. Not a surprise that they are similar.
  6. Using an OpenEHR platform in a HL7/IHE interoperability environment (Tomaž Gornik or Borut Fabjan, Marand) (max 60 minutes)
    • The Think!EHR Platform is a big-data, high-performance solution designed to store, manage, query, retrieve and exchange structured electronic health record data based on the latest release of openEHR specifications.
    • Tomaž and/or Borut will discuss some of the architectural aspects of Think!EHR and the impact of embracing OpenEHR, as well as the support for IHE/HL7 (v2,CDA,FHIR) as an interoperability interface.
  7. The experimental HANDI HOPD demonstrator (Ian McNicoll, Ocean Informatics) (10 minutes)
    • The HANDI HOPD demonstrator is basically smart on FHIR on openEHR - currently using Marand think!ehr but with the aim to have multiple backends in future. Free to use.
  8. Teach yourself (some) FHIR (Fleur Kelpin, UMCG, NL) (max 30 minutes)
    • Fleur and her team have implemented a FHIR interface on top of existing services for the EHR-System and she will share her experience with doing that.
  9. A world of models - MAX model transformations (Michael van der Zel, UMCG, NL) (max 40 minutes)
    • Michael has created a tool that helps in the exchanging and tranformation of models between OpenEHR, CIMI, DCM, ART-DECOR, ArchiMate, EA UML, spreadsheet and others. This is based on the use of the MAX metamodel (kind of an XMI format) for expressing the models and HL7 MAX tool.
  10. Discussion of AID Activities
  11. Adjournment


Registration is free, but the size of the room is limited. Please sign up by adding your name to the list below:

  1. Rene Spronk, Ringholm, NL
  2. Ewout Kramer, Furore, NL
  3. Michael van der Zel, UMCG, NL
  4. Jan-Marc Verlinden, Medvision360, NL
  5. Ralph van Etten, Medvision360, NL
  6. Borut Fabjan, Marand, Slovenia
  7. Tom de Jong, Nova Pro, NL
  8. Fleur Kelpin, UMCG, NL
  9. Alexander Henket, Nictiz, NL
  10. Ian McNicoll, FreshEHR, UK
  11. Arianne van de Wetering, Nictiz, NL
  12. Hans Vonkeman, Furore, NL