IHE-XDS
IHE XDS healthcare document sharing repository + registry profile.
Définition
IHE XDS architecture : (1) Document Source : EHR or clinical system that publishes documents to the XDS Affinity Domain. (2) Document Repository : stores documents (CCDA + PDF + CDA R2 + JPEG + DICOM + etc.) + returns documents on demand via web service operations. (3) Document Registry : indexes documents metadata (patient ID, document type, author, date, format, mime type) + supports queries by metadata (e.g., 'find all discharge summaries for patient X in last 6 months'). (4) Document Consumer : EHR or clinical viewer that queries Registry + retrieves documents from Repository. (5) Patient Identity Source : provides patient identifiers via PIX/PDQ profiles for patient linking. (6) Audit Record Repository : ATNA audit trail compliance recording all XDS actions. Transactions : ITI-41 Provide and Register Document Set-b, ITI-42 Register Document Set-b, ITI-43 Retrieve Document Set, ITI-18 Registry Stored Query, ITI-38 Cross-Gateway Query (XCA), ITI-39 Cross-Gateway Retrieve (XCA). Document metadata : XDSDocumentEntry (~30 attributes), based on ebRIM/ebRS OASIS ebXML Registry. Transport : SOAP/MTOM web services over HTTPS. Document formats : Document Sharing-Compliant Documents (CCDA + Image + Specialty Notes + etc.). IHE XDS first published 2004, Final Text 2007, multiple revisions since.
Origine
IHE XDS profile published 2004 par IHE ITI domain ; Final Text 2007 ; foundational profile multiple HIE/EHR national/regional architectures.
Exemple en contexte
French DMP (Dossier Medical Partage, GIE-SESAM-Vitale + Ministere Sante) uses IHE XDS : hospital discharge summary published Document Source pousses to XDS Repository national, XDS Registry indexes, PCP later queries Registry by patient INS + gets list documents available, retrieves discharge summary CDA R2 via Retrieve Document Set transaction, displays in PCP EHR.