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Integrating the Healthcare Enterprise. – Radiology – Introduction to the New IHE Integration Profiles:. Instance Availability Notification (IAN) Option (Extension to the Scheduled Workflow). Dr. Nikolaus Wirsz – Siemens Medical Solutions IHE Europe Committee IHE Radiology Planning Committee.
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Integrating the Healthcare Enterprise – Radiology – Introduction to the New IHE Integration Profiles: • Instance Availability Notification (IAN) Option(Extension to the Scheduled Workflow) • Dr. Nikolaus Wirsz – Siemens Medical Solutions IHE Europe Committee IHE Radiology Planning Committee IHE Europe Workshop
IHE Radiology Integration Profiles Charge Posting Presentation of Grouped Procedures Reporting Workflow KeyImageNotes Simple Image & Numeric Reports NMImage Consistent Present-ation of Images EvidenceDocs Access to Radiology Information Portable Data for Imaging Scheduled Workflow Instance Availability Notification Patient Info. Recon-ciliation Post-Processing Workflow Basic Security IHE Europe Workshop
IHE Scheduled Workflow Overview ADT Patient Registration Patient Registration Image Creator Order Placer Image Display Storage Commit Images Stored Filler Order Management Placer Order Management Q /R Images Department System Scheduler – Order Filler – Image Archive Procedure Scheduled Image Manager Instance Availability Query / Notification Images Stored Storage Commit PPS In-Progress / Completed Performed Procedure Step Manager PPS In-Progress / Completed Acquisition Modality PPS In-Progress / Completed Modality Worklist IHE Europe Workshop
Summary • Instance Availability Notification –Option within the Scheduled Workflow Integration Profile: • Signals the Availability of Images or Other Evidence Objects • Provides Information about the Location of Images IHE Europe Workshop
Background • Managing Actors (DSS/Order Filler, Post-Processing Manager, Report Manager) need to know when acquired evidence objects made it to the Archive • MPPS may be sent before objects are stored, and storage may fail • MPPS is not available to all “managers” • MPPS may fail or not be sent at all (media import) • Existing query mechanism forces “managers” to poll Image Manager/Archive for availability of Instances IHE Europe Workshop
Interaction Diagram • Image Manager/Image Archive generates an Instance Availability Notification message and sends it to the DSS/Order Filler(optionally to other workflow managing actors: Post-Processing Manager, Report Manager) • Receiving actors process the information and decide upon further course of actions IHE Europe Workshop
Image Manager Behavior • Image Manager shall send only one IAN message for each MPPS referencing at least one evidence object • Image Manager shall sent an IAN after it received ALL instances referenced in MPPS • Image Manager shall send IAN to the DSS/OF(optionally to other workflow managing actors) IHE Europe Workshop
Receiving Actor Behavior • Actors being notified are expected to use IAN message contents for workflow management • Keep a list of references to instances and their location for later retrieval • Examples of internal actions: • The Department System Scheduler/Order Filler may update the procedure status internally, indicating that images for the procedure have been stored • The Post-Processing Manager may add or re-arrange items in a corresponding worklist • The Report Manager adds items to a corresponding worklist IHE Europe Workshop
Additional Considerations • IAN is currently limited to the availability of a COMPLETE set of evidence objects resulting from an image acquisition • No message may be sent if complete object set never arrives • No message may be sent if objects arrive without a corresponding MPPS • Timing of IAN can vary significantly depending on timing of MPPS and object storage • IAN does not cover other availability statues such as: • Images pre-fetched • Non-availability status (instances moved to another location) • Report statuses IHE Europe Workshop
Value Proposition • Enhanced Mechanism to Notify Instance Availabilityin “Real-Time“ • Information about the Location of Images and Access Time • Optimized Workflow Management –Knowing where instances reside and how to retrieve IHE Europe Workshop
Questions ? References:IHE Europe: http://www.IHE-Europe.org IHE Main Web Site: http://www. IHE.net IHE Europe Workshop