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Charles Parisot IHE Radioology Plannin g & Technical Committee G E Medical Systems Information Technologies. IHE - A Novel Approach IHE Methodology. What is IHE?. IHE is an initiative to solve real-world integration problems between HIS, RIS, PACS, Modalities, Printers, etc.
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Charles ParisotIHE Radioology Planning & Technical CommitteeGE Medical Systems Information Technologies IHE - A Novel ApproachIHE Methodology
What is IHE? • IHE is an initiative to solve real-world integration problems between HIS, RIS, PACS, Modalities, Printers, etc. • IHE is users’ driven & involves active vendor participation. • IHE is based on existing standards, HL7, DICOM, IETF, and others as it expands. • IHE is not a product itself, it specifies network transactions between systems. • IHE specifies only integration features. IHE-Methodology
What IHE is not ! • It is not a standardization project, although it turns good standards into practical reality. • It is not a vendor driven initiative nor a user driven initiative, it a joint user/vendor initiative. • It is not a place to issue "IHE Compliance Certificates". Vendor shall remain ultimately responsible to meet their customer needs. • It is an interoperability testing (tools & process). Products issue "IHE Integration Statements" • It is not a "call for tender" for a product, although it greatly simplifies the interface chapter of RFPs. IHE-Methodology
A Proven Standards Adoption Process IHEConnectathon IHEDemonstration Product With IHE Easy to Integrate Products IHETechnicalFramework Standards • IHE Integration Profiles: • Detailled selection of standards and options each solving a specific integration problem • A growing set of effective provider/vendor agreed solutions • Vendors can implement with ROI • Providers can deploy with stability IHEIntegration Profiles B IHEIntegration Profile A User Site RFP IHE-Methodology
The IHE Vision for User Sponsors Promotion Education Integrated Product • Host/Encourage Vendors' involvement in IHE. • Educate users: They are part of an Healthcare Enterprise that expects teamwork from them (e.g. Radiology and IT). • Educate users: IHE standardizes a flexible workflow that can be customized (and may differ form current habits) • Educate Users: Standards are good. The way to get them is to request IHE Integration Profiles in purchases User Site IHE-Methodology
IHE, A culture change…. A new dimension in the relationshipbetween users and vendors This is what it takes to turn Healthcare IT standards in reality ! IHE-Methodology
Poduct XYZfrom Vendor T The Product World….. IHE-Methodology
Actor Actor Actor The IHE World…. IHETransaction IHETransaction IHE Actor IHE Actor IHETransaction IHE-Methodology
Actor Actor Actor Poduct XYZfrom Vendor T Mapping IHE to Products IHETransaction IHETransaction IHE Actor IHE Actor IHETransaction IHE-Methodology
The IHE Technical Approach • Identify the transactions required to integrate the information flow between several information systems/devices • For each transaction, select a single standard (e.g.HL7 messages) for use in implementing the transaction • Specify in detail the use of the standard in implementing the transaction IHE-Methodology
The Result • An IHE Technical Framework (TF) A specification defining 30 transactions supporting: • Registration • Admission • Order entry • Scheduling • Image acquisition • Storage • Viewing • Reporting IHE-Methodology
1: Pt Registration 12: Pt Update Master Patient Index ADT Pt Registration: 1 Pt Update: 12 1: Pt registration 12: Pt Update Print Composer 2: Placer Order Management 3: Filler Order Management Order Placer Order Filler 23: Print Request with Presentation LUT 4: Procedure Scheduled 11: Image Availability Query 12: Patient Update 13: Procedure Update Report Creator 6: Modality PPS in Progress 7: Modality PPS Completed 20: Creator PPS in Progress 21: Creator PPS Completed Print Server 24: Report Submission Image Display Image Creator Structured Report Export: 28 20: Creator PPS in Progress 21: Creator PPS Completed Report Manager 18: Creator Image Stored 19: Creator Pres. State Stored 29: Store Key Image Note 14: Query Images 15: Query Pres. States 16: Retrieve Images 17: Retrieve Pres. States 30: Query Key Image Notes 31: Retrieve Key Image Notes Enterprise Report Repository Storage Commitment: 10 Performed Procedure Step Manager 25: Report Issuing Report Repository External Report Repository Access 6: Modality PPS in Progress 7: Modality PPS Completed 20: Creator PPS in Progress 21: Creator PPS Completed 26: Query Reports 27: Retrieve Reports 8: Modality Image Stored 9: Modality Pres. State Stored 29: Store Key Image Note Storage Commitment: 10 Report Reader 6: Modality PPS in Progress 7: Modality PPS Completed Acquisition Modality 5: Modality Worklist Provided Image Manager Image Archive IHE 2002 : 17 Actors and 30 Transactions IHE-Methodology
Report Creator 24: Report Submission Structured Report Export: 28 Report Manager Enterprise Report Repository 25: Report Issuing Report Repository External Report Repository Access 26: Query Reports 27: Retrieve Reports Report Reader IHE : An Integration Profile A set of Actors cooperating through Transactionsto perform a specific task IHE-Methodology
Integration profiles, the easy way to deal with transactions • easy-to-understand, coherent functional sets and • a convenient way for users and vendors to communicate • about integration requirements and needed functionality in daily life. IHE-Methodology
Scheduled Workflow Scheduled Workflow Post- Processing Workflow Patient Information Reconciliation ChargePosting Admit, order, schedule, acquire images, notify of completed steps Admit, order, schedule, acquire images, notify of completed steps Schedule, perform, & notify image processing & CAD steps Collection of billable procedure details Unknown patients and unscheduled orders Consistent Presentation of Images Key ImageNotes Simple Image and Numeric Reports Simple reports with image links and, optionally, measurements Hardcopy and softcopy grayscale presentation state Flag significant images Presentation of Grouped Procedures Subset a single acquisition Access to Radiology Information Consistent access to images and reports Basic Security Audit Trail Consolidation & Node Authentication Now Focussing on…..Scheduled Workflow IHE Integration Profile IHE-Methodology
Vendor should provide IHE Claims ProductABC supports the IHE KXIntegration Profileasthe IHE X and YActors IHE JYIntegration Profileas the IHE ZActors IHE-Methodology
Additional Information • IHE Brochures and publications: • IHE Integration Profiles • IHE At-a-Glance • Reprints of IHE technical papers • IHE Integration Checklist • HIMSS Primer and RSNA Monograph • On www.rsna.org/IHE or www.ihe-europe.org • IHE Technical Framework 5.4 IHE-Methodology