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IHE Structure & Concepts

Learn about IHE, a framework that addresses integration issues in healthcare, including radiology, cardiology, IT infrastructure, and more. Discover how IHE brings together professional societies and vendors to create technical standards and integration profiles to solve real-world integration problems.

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IHE Structure & Concepts

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  1. IHE Structure & Concepts Kevin O’Donnell Toshiba Medical Systems

  2. IHE Domain • Addresses an area of integration issues • Radiology, Cardiology, IT Infrastructure, Laboratory • Patient Care Devices, Patient Care Coordination • Radiation Oncology, Eyecare • [ Pick One… ] • Brings together relevant professional societies & vendors • Each Maintains a Technical Framework

  3. The IHE Process Standards (DICOM,HL7, etc) IHE Integration Profiles Standards (DICOM,HL7, etc) IHE Integration Profiles Standards (DICOM,HL7, etc) IHE Integration Profiles IHE Technical Framework Users Real-World Integration Problems RFP (Profiles & Actors) Select IHE Profiles IHE C-ThonResults IHE Connectathons IHE Demonstrations Vendors IHE Integration Statement (Profiles & Actors) Product with IHEProfile

  4. IHE Technical Framework • The Document for a domain • Public: www.ihe.net/Technical_Framework • Several Volumes (it’s large) • Vol. 1 – defines the Profiles

  5. IHE Integration Profile • Integration Profile: The Most Important Term • Vendors implement them • Users buy them / list them in RFPs • Each Profile defines a Problem / Solution • E.g. IHE Scheduled Workflow Profile (SWF) • “How do I maintain the integrity of patient demographic & order information and manage workflow in the Radiology Dept?” • The Profile bundles all the necessary integration for the solution

  6. IHE Scheduled Workflow Profile report Registration Film Lightbox Image Manager & Archive Orders Filled Film Folder Diagnostic Workstation Film Report Repository Orders Placed AcquisitionModality acquisitioncompleted acquisitionin-progress imagesprinted Modality acquisitioncompleted

  7. IHE Integration Profile • In each Profile in the Tech. Framework: • the context is described (Use Cases) (what real-world problem is addressed) • the actors are defined (what systems are involved) • the transactions are defined (what do they have to do when they talk)

  8. IHE Transactions • The guts of IHE - Vol. 2 of the Technical Framework • This is the product implementation guide • Each Transaction: • Addresses a specific exchange of data • Selects an existing,open standard (e.g. HL7, DICOM, SMTP, …) • Documents how to use the standard to implement the transaction • Strictly specified to avoid incompatible implementations (retire options, clarify data model, etc.) • Re-usable, may appear in multiple Profiles • Defines external interface • Does not constrain System internal functions

  9. IHE Transactions • E.g. Query Modality Worklist Transaction [RAD-5] • Details Include: • Based on DICOM Modality Worklist Management Service • Specifies mapping from HL7 Order to Worklist Procedure Step • Refines Matching Key and Return Key requirements • Defines exchange of data between actors • Order Filler Actor <-> Acquisition Modality Actor

  10. IHE Actor • Report Creator • Patient Identity Source • Document Repository • A generalized system function, e.g. : • Order Placer • Order Filler • Audit Repository • Implementers choose which Actors included in system • E.g. Order Filler • In the RIS? In a Broker Box? In the PACS? • Sure, just implement the transactions assigned in the Profile • Systems may group several Actors • e.g. LIS = Order Filler + Lab Automation Manager + Result Tracker

  11. IHE National Extensions • Technical Framework is Global • National Extensions are Appendices in TF: • Documents national clarifications and extensions • Mostly translations and minor variations • Additional codes for national practices • E.g. Use of a Provincial Insurance Number • Radiology TF - Volume 4 • Includes France, Germany, U.S., Italy, U.K. • Canadian Extension is near completion

  12. IHE TF Supplements • “New Profile” Documents • Follows Structure of Technical Framework • Available on www.ihe.net • Published for Public Comment • Published for Trial Implementation • After becoming “Final Text”, folded into Technical Framework during annual update

  13. It’s all about the Profiles Standards (DICOM,HL7, etc) IHE Integration Profiles Standards (DICOM,HL7, etc) IHE Integration Profiles Standards (DICOM,HL7, etc) IHE Integration Profiles IHE Technical Framework Users Real-World Integration Problems RFP (Profiles & Actors) Select IHE Profiles IHE C-ThonResults IHE Connectathons IHE Demonstrations Vendors IHE Integration Statement (Profiles & Actors) Product with IHEProfile

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