Int J Med Inform - Applying the archetype approach to the database of a biobank information management system.

Tópicos

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Resumo

RPOSE: The purpose of this study is to investigate the feasibility of applying the openEHR archetype approach to modelling the data in the database of an existing proprietary biobank information management system. A biobank information management system stores the clinical/phenotypic data of the sample donor and sample related information. The clinical/phenotypic data is potentially sourced from the donor's electronic health record (EHR). The study evaluates the reuse of openEHR archetypes that have been developed for the creation of an interoperable EHR in the context of biobanking, and proposes a new set of archetypes specifically for biobanks. The ultimate goal of the research is the development of an interoperable electronic biomedical research record (eBMRR) to support biomedical knowledge discovery.METHODS: The database of the prostate cancer biobank of the Irish Prostate Cancer Research Consortium (PCRC), which supports the identification of novel biomarkers for prostate cancer, was taken as the basis for the modelling effort. First the database schema of the biobank was analyzed and reorganized into archetype-friendly concepts. Then, archetype repositories were searched for matching archetypes. Some existing archetypes were reused without change, some were modified or specialized, and new archetypes were developed where needed. The fields of the biobank database schema were then mapped to the elements in the archetypes. Finally, the archetypes were arranged into templates specifically to meet the requirements of the PCRC biobank.RESULTS: A set of 47 archetypes was found to cover all the concepts used in the biobank. Of these, 29 (62%) were reused without change, 6 were modified and/or extended, 1 was specialized, and 11 were newly defined. These archetypes were arranged into 8 templates specifically required for this biobank. A number of issues were encountered in this research. Some arose from the immaturity of the archetype approach, such as immature modelling support tools, difficulties in defining high-quality archetypes and the problem of overlapping archetypes. In addition, the identification of suitable existing archetypes was time-consuming and many semantic conflicts were encountered during the process of mapping the PCRC BIMS database to existing archetypes. These include differences in the granularity of documentation, in metadata-level versus data-level modelling, in terminologies and vocabularies used, and in the amount of structure imposed on the information to be recorded. Furthermore, the current way of modelling the sample entity was found to be cumbersome in the sample-centric activity of biobanking.CONCLUSIONS: The archetype approach is a promising approach to create a shareable eBMRR based on the study participant/donor for biobanks. Many archetypes originally developed for the EHR domain can be reused to model the clinical/phenotypic and sample information in the biobank context, which validates the genericity of these archetypes and their potential for reuse in the context of biomedical research. However, finding suitable archetypes in the repositories and establishing an exact mapping between the fields in the PCRC BIMS database and the elements of existing archetypes that have been designed for clinical practice can be challenging and time-consuming and involves resolving many common system integration conflicts. These may be attributable to differences in the requirements for information documentation between clinical practice and biobanking. This research also recognized the need for better support tools, modelling guidelines and best practice rules and reconfirmed the need for better domain knowledge governance. Furthermore, the authors propose that the establishment of an independent sample record with the sample as record subject should be investigated. The research presented in this paper is limited by the fact that the new archetypes developed during this research are based on a single biobank instance. These new archetypes may not be complete, representing only those subsets of items required by this particular database. Nevertheless, this exercise exposes some of the gaps that exist in the archetype modelling landscape and highlights the concepts that need to be modelled with archetypes to enable the development of an eBMRR.

Resumo Limpo

rpose purpos studi investig feasibl appli openehr archetyp approach model data databas exist proprietari biobank inform manag system biobank inform manag system store clinicalphenotyp data sampl donor sampl relat inform clinicalphenotyp data potenti sourc donor electron health record ehr studi evalu reus openehr archetyp develop creation interoper ehr context biobank propos new set archetyp specif biobank ultim goal research develop interoper electron biomed research record ebmrr support biomed knowledg discoverymethod databas prostat cancer biobank irish prostat cancer research consortium pcrc support identif novel biomark prostat cancer taken basi model effort first databas schema biobank analyz reorgan archetypefriend concept archetyp repositori search match archetyp exist archetyp reus without chang modifi special new archetyp develop need field biobank databas schema map element archetyp final archetyp arrang templat specif meet requir pcrc biobankresult set archetyp found cover concept use biobank reus without chang modifi andor extend special newli defin archetyp arrang templat specif requir biobank number issu encount research aros immatur archetyp approach immatur model support tool difficulti defin highqual archetyp problem overlap archetyp addit identif suitabl exist archetyp timeconsum mani semant conflict encount process map pcrc bim databas exist archetyp includ differ granular document metadatalevel versus datalevel model terminolog vocabulari use amount structur impos inform record furthermor current way model sampl entiti found cumbersom samplecentr activ biobankingconclus archetyp approach promis approach creat shareabl ebmrr base studi participantdonor biobank mani archetyp origin develop ehr domain can reus model clinicalphenotyp sampl inform biobank context valid generic archetyp potenti reus context biomed research howev find suitabl archetyp repositori establish exact map field pcrc bim databas element exist archetyp design clinic practic can challeng timeconsum involv resolv mani common system integr conflict may attribut differ requir inform document clinic practic biobank research also recogn need better support tool model guidelin best practic rule reconfirm need better domain knowledg govern furthermor author propos establish independ sampl record sampl record subject investig research present paper limit fact new archetyp develop research base singl biobank instanc new archetyp may complet repres subset item requir particular databas nevertheless exercis expos gap exist archetyp model landscap highlight concept need model archetyp enabl develop ebmrr

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