New paper: Archetype-based data warehouse environment
ian at freshehr.com
Wed Jul 1 20:12:39 EDT 2015
Just caught up on this paper after my holiday. Fantastic piece of work and
great to see the full interaction of archetype tooling, querying, backend
operations and CDS being described in such detail.
Dr Ian McNicoll
mobile +44 (0)775 209 7859
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email: ian at freshehr.com
Co-Chair, openEHR Foundation Management Board
Director, freshEHR Clinical Informatics
Director, HANDIHealth CIC
Hon. Senior Research Associate, CHIME, UCL
On 19 June 2015 at 09:06, David Moner <damoca at gmail.com> wrote:
> Dear all,
> My colleagues Luis Marco-Ruiz, José A. Maldonado, Nils Kolstrup, Johan G.
> Bellika and myself have just published a paper titled "Archetype-based data
> warehouse environment to enable the reuse of electronic health record data"
> in the International Journal of Medical Informatics. I think this work can
> be of interest for many of you.
> Best regards,
> Link: http://www.sciencedirect.com/science/article/pii/S1386505615300058
> - Background. The reuse of data captured during health care delivery is
> essential to satisfy the demands of clinical research and clinical decision
> support systems. A main barrier for the reuse is the existence of legacy
> formats of data and the high granularity of it when stored in an electronic
> health record (EHR) system. Thus, we need mechanisms to standardize,
> aggregate, and query data concealed in the EHRs, to allow their reuse
> whenever they are needed.
> - Objective. To create a data warehouse infrastructure using
> archetype-based technologies, standards and query languages to enable the
> interoperability needed for data reuse.
> - Materials and methods. The work presented makes use of best of breed
> archetype-based data transformation and storage technologies to create a
> workflow for the modeling, extraction, transformation and load of EHR
> proprietary data into standardized data repositories. We converted legacy
> data and performed patient-centered aggregations via archetype-based
> transformations. Later, specific purpose aggregations were performed at a
> query level for particular use cases.
> - Results. Laboratory test results of a population of 230,000 patients
> belonging to Troms and Finnmark counties in Norway requested between
> January 2013 and November 2014 have been standardized. Test records
> normalization has been performed by defining transformation and aggregation
> functions between the laboratory records and an archetype. These mappings
> were used to automatically generate open EHR compliant data. These data
> were loaded into an archetype-based data warehouse. Once loaded, we defined
> indicators linked to the data in the warehouse to monitor test activity of
> Salmonella and Pertussis using the archetype query language.
> - Discussion. Archetype-based standards and technologies can be used to
> create a data warehouse environment that enables data from EHR systems to
> be reused in clinical research and decision support systems. With this
> approach, existing EHR data becomes available in a standardized and
> interoperable format, thus opening a world of possibilities toward semantic
> or concept-based reuse, query and communication of clinical data.
> David Moner Cano
> Grupo de Informática Biomédica - IBIME
> Instituto ITACA
> Universidad Politécnica de Valencia (UPV)
> Camino de Vera, s/n, Edificio G-8, Acceso B, 3ª planta
> Valencia – 46022 (España)
> openEHR-technical mailing list
> openEHR-technical at lists.openehr.org
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