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Introduction Radiology Image Sharing-Why?? Digital radiology images - PowerPoint PPT Presentation

Oct 18, 2022 •340 likes •615 views

Kwok CW, Chan GWC, Poon JA, Tong ELH, Wong WN, Cheung NT Health Informatics, Information Technology and Health Informatics Division, Hospital Authority Head Office Introduction Radiology Image Sharing-Why?? Digital radiology images are

  1. Kwok CW, Chan GWC, Poon JA, Tong ELH, Wong WN, Cheung NT Health Informatics, Information Technology and Health Informatics Division, Hospital Authority Head Office

  2. Introduction Radiology Image Sharing-Why?? • Digital radiology images are essential medical data • Diagnostic information from one imaging exam is often used by multiple care providers • Availability of radiology exam records  Improve the quality of interpretation • Reduce radiation exposure and avoid exam duplication

  3. Current Situation in Hong Kong

  4. Hospital Authority (HA) experience on Radiology Image Sharing • Radi Image Sharing Pilot (since 2009) • Stage 1 Electronic Health Record (eHR) Project • Established electronic interfaces between public and private hospitals/ radiology centres • HA referred patients to private institutions for radiological investigations

  5. 3. Trial on technical 2. Improve Data Integrity readiness of private in Patient Record institutions Radiology 1. Shorten waiting 4. Gained practical Image time for radiology experiences in future Sharing investigations implementation Pilot

  6. Latest Statistics (Monthly statistics 2018) MONTHLY STATISTICS 2018(BY MODALITY) 8000 1510 7000 1573 1567 1481 1567 1452 1407 6000 1441 1394 949 1499 PET-CT 933 1208 811 867 903 836 XRAY 400 5000 777 399 354 719 414 713 357 647 US No. of study 1101 378 756 335 377 387 NM 370 4000 1955 381 517 MRI 1806 1906 1922 1782 1775 1644 311 FLUOR 1659 1741 1680 3000 1527 CT 1329 BI 2000 ANGIO 2793 2684 2642 2574 2616 2486 2428 2312 2153 2206 2046 1000 1801 149 169 124 95 95 102 99 101 118 138 56 78 0 6 2018-01 2018-02 2018-03 2018-04 2018-05 2018-06 2018-07 2018-08 2018-09 2018-10 2018-11 2018-12 Month

  7. Radi Image Sharing Pilot Private sectors joined Radi Image Sharing Pilot No. of private hospitals 11 No. or radiology groups/centres 20 Total 31 Radiology Image Sharing Pilot statistics (as at June 2019) Total no. of radiology studies received 406,122 Total no. of radiology image received 199,287,951 7

  8. Benefits of Radi Image Sharing Pilot • Provide choices for patients • Enhance radiology service for patients • Reduce pressure on public radiology service • Enhance Public Private Partnership 8

  9. Radiology Image Sharing Pilot • One-way image sharing • Images cannot be shared among healthcare professionals Patient rescanning Unnecessary patient exposure to radiation

  10. Future Development of Radiology Image Sharing in Hong Kong

  11. eHR Stage 2 development (2017-2021) • Radiological Images (roll out in 2021) • Chinese Medicine • Patient Portal and Sharing Restriction

  12. Project Scopes Stage 2 eHR Radiology Image Sharing • Allow radiology images sharing among healthcare providers (HCPs) • Allow images upload via image gateway, image storage in Electronic Health Record Sharing System (eHRSS) repository and image viewing through eHRSS image browser

  13. Prerequisites for data sharing for eHRSS

  14. Major components of eHR Radi Image Sharing Image Archive/storage Image Upload Image Viewing Health Care Provider eHR User 14

  15. Image Upload • Radi Image Sharing Pilot: Only the referred case is sent to HA • eHR Radi Image Sharing: All cases will be sent to eHRSS (include HA referred case)

  16. Image Upload • Sharable radiology modalities for images  10 modalities CT MRI Ultrasound PET-CT Nuclear Medicine X Ray Angiographic Examination Fluoroscopy Interventional Radiology (IR) Breast Imaging (BI) • Image quality  Image upload from HCP and viewing in browser: Lossless images  Standard for sharing (DICOM for images)

  17. Image Storage • Centralized Model – All HCPs image stored in eHRSS • Image stored centrally for a simple and quick access response • Assure image availability/readiness • Facilitate interface

  18. Image Viewing • Radi Image Sharing Pilot: Only HA users can view Radi exam from private sectors • For eHR Radi image sharing: Public and private clinical users can view others’ radiology exam data in eHRSS 18

  19. To View Radiology Images in eHR Viewer 19 19

  20. Radiology Record in eHR Viewer

  21. [Image icon] will appear if Image a/v in Image Archive Pop-Up Image Viewer and selected image

  22. In dual monitor setting… • User can drag image viewer to secondary monitor (if available)

  23. Key Challenges 1. Image archive consideration due to large storage size in eHRSS 2. Compliance with eHR standard (e.g. eHR number, Accession Number format) 3. Migration of radiology institutions from Radi Image Sharing pilot 4. Software and hardware compatibility 5. Advancement in new technology in radiology image

  24. Way Forward • Centralize storage of recent 3 years lossless images • Strictly follow report & Image data requirements (DICOM conformance, accession no. format) • Data Compliance testing to ensure eHR standard • Continuous engagement with stakeholders and healthcare providers

  25. eHR Radiology Image Sharing (Multiple way of sharing radiology Images) • Avoid repeated scanning • Timely access to images • Facilitate clinical decision

  26. References • Sodickson A, Opraseuth J, Ledbetter S. Outside imaging in emergency department transfer patients: CD import reduces rates of subsequent imaging utilization. Radiology 2011; 260:408 – 413. • The Royal College of Radiologists (2016).“It's good to share: medical image and report exchange between UK health service providers“ • Sandberg JC, Ge Y, Nguyen HT, et al. Insight into the sharing of medical images: physician, other health care providers, and staff experience in a variety of medical settings. Appl Clin Inform 2012;3:475-87.

  27. Thank you 27

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