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![Page 1: International Telecommunication Union Workshop on Standardization in E-health Geneva, 23-25 May 2003 Medical records and medical data: models of electronic.](https://reader036.fdocuments.us/reader036/viewer/2022070305/551540ba55034685568b4e7c/html5/thumbnails/1.jpg)
International Telecommunication Union
Workshop on Standardization in E-healthGeneva, 23-25 May 2003
Medical records and Medical records and medical data:medical data:
models of electronic models of electronic data interchangedata interchange
Melvin ReynoldsSenior Partner, AMS Consulting, UK
Deputy Chair ISO/TC215/WG2, Vice Chair IEEE1073, Convenor CEN/TC251/WG4
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223-25 May 2003 Workshop on Standardization in E-health
ITU-TOverview
o Definitions and observationso The health information spaceo The stages of health information
managemento Methods of information
exchangeo Multimedia reportingo Scenarios & use caseso Summary
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323-25 May 2003 Workshop on Standardization in E-health
ITU-TDefinitions and observations
o eHealth = healthcare facilitated by electronic means
So what?o bHealth = healthcare
facilitated by built facilities!?
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423-25 May 2003 Workshop on Standardization in E-health
ITU-TDefinitions and observations
o ICT = Information and Communications Technology
o So that gives us:Health informaticsand(Health information) communications technology
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523-25 May 2003 Workshop on Standardization in E-health
ITU-TDefinitions and observations
ICT = Information Management & Technology
What? Why? How?
When, by whom?
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623-25 May 2003 Workshop on Standardization in E-health
ITU-THealth information space
PatientHealthspace
Master PersonIndex:
Organisation, Communityand National
ProfessionalRegistration Record
Facilitation:Booking, Scheduling,
Pharmacy, etc.
Care Record:Spine, Community,Organisational and
Departmental
Specialist ServiceRecord:
Cardiology, Radiology,Anaesthetic, Laboratory,
etc.
Knowledge source:SNOMED CT, UKCPRS,
NeLH, Pathways, etc
National Returns /Repository
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723-25 May 2003 Workshop on Standardization in E-health
ITU-TSpecialist service record:
diagnostic
o What’s the data?• Text, Images, Vital signs
and waveforms (e.g.ECG), EEG, Biochemistry, Microbiology, etc.
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823-25 May 2003 Workshop on Standardization in E-health
ITU-TSpecialist service record:
diagnostic
o What’s reported?• Mostly text and numeric
values with, rarely, a small piece of supporting information such as a sample of ECG, or an image.
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923-25 May 2003 Workshop on Standardization in E-health
ITU-TSpecialist service record:
therapy
o What’s the data?•Text, Images, Biochemistry, Microbiology, Vital signs and waveforms (e.g. ECG), EEG, etc.
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1023-25 May 2003 Workshop on Standardization in E-health
ITU-TSpecialist service record:
therapy
o What’s reported?• Mostly text with, very
rarely, a small amount of supporting information demonstrating a particularly difficult period or incidenrt.
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1123-25 May 2003 Workshop on Standardization in E-health
ITU-TSpecialist service record:
monitoring
o What’s the data?• Images, Biochemistry,
Microbiology, Vital signs and waveforms (e.g. ECG), EEG, etc.
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1223-25 May 2003 Workshop on Standardization in E-health
ITU-TSpecialist service record:
monitoring
o What’s reported?• Almost nothing unless
there’s a significant event, when a some of supporting information such as a sample of ECG, or an image may accompany the main text.
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1323-25 May 2003 Workshop on Standardization in E-health
ITU-THealth care record
o What’s recorded?• Mostly text and numeric
values with, extremely rarely, a small piece of supporting information such as a sample of ECG, or an image.
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1423-25 May 2003 Workshop on Standardization in E-health
ITU-TPatient’s healthspace
o What’s communicated?• Mostly simple text and
numeric values with, extremely rarely, a small piece of supporting information such as a sample of ECG, or an image.
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1523-25 May 2003 Workshop on Standardization in E-health
ITU-TStatistical repository
o What’s deposited?• Mostly anonymised coded
text and numeric values with, for highly specialist registries, a small piece of supporting information such as a sample of ECG, or an image.
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1623-25 May 2003 Workshop on Standardization in E-health
ITU-THealthcare work stages
o Dealing with information in healthcare is a multi-stage process:
Telemedicine Health record
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1723-25 May 2003 Workshop on Standardization in E-health
ITU-T
Methods of information exchange
o Realtime video, imaging or waveform
o Store and forward video, imaging or waveform
o Simple numeric values in near realtime
o Store and forward of simple numeric values
o Transient messages to populate forms or databases
o Fragments of clinical record to populate databases
o Validated clinical ‘documents’ for retention
o All above with, or w/o, complex data payloads
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1823-25 May 2003 Workshop on Standardization in E-health
ITU-TMultimedia reporting
o For multimedia healthcare service procedure reports, four different levels of control over rendering of the non-textual content have been identified:
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1923-25 May 2003 Workshop on Standardization in E-health
ITU-TMultimedia reporting
o No possibility of adjustment of rendering• Material can be presented
only as specified by the creator. Using an x-ray as an example, this is analogous to supplying a hard-copy print or film.
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2023-25 May 2003 Workshop on Standardization in E-health
ITU-TMultimedia reporting
o Control of basic aspects of rendering• Basic object manipulation is
possible, such as zoom and pan into image or curve, adjustment of video frame rate, cine loop cycle rate. However, this only permits viewing of a product, the characteristics of which have already been determined.
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2123-25 May 2003 Workshop on Standardization in E-health
ITU-TMultimedia reporting
o Multimedia with possibility of interactive adjustment of rendering• In addition to the ability to
manipulate the object, the specialist user has control over conversion of the object data into a presented graphical representation. In the case of medical images this rendering is often described as "windowing".
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2223-25 May 2003 Workshop on Standardization in E-health
ITU-TMultimedia reporting
o Possibility to select other images and amend text• It can be necessary to produce,
by collation, a new layout of material, including procedure products, not selected by the previous operator . This capability might become important when a subsequent review of the results is needed, perhaps years later.
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2323-25 May 2003 Workshop on Standardization in E-health
ITU-TAnnotation of Multimedia
o The Synchronized Multimedia Integration Language (SMIL) is written as an XML application and is a current W3C recommendation. • SMIL supports the
synchronized presentation of a set of images, sound and text objects within defined areas of a window of specified size.
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2423-25 May 2003 Workshop on Standardization in E-health
ITU-TLinks to other sources
o A text healthcare service procedure report may be in the form of simple text or may contain hyperlinks to image data files and associated text annotation and/or graphics annotation. • e.g. as regions of interest, that
are superimposed upon the digital rendered procedure product by the end user system.
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2523-25 May 2003 Workshop on Standardization in E-health
ITU-TScenarios and use cases
o The scenarios worth considering when defining a healthcare procedure report specification should include the following:
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2623-25 May 2003 Workshop on Standardization in E-health
ITU-TScenarios and use cases
• viewing of a healthcare procedure report and one or more procedure products by activation of hyperlinks;
• viewing of a healthcare procedure report and a set of procedure products and annotation by activation of hyperlinks;
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2723-25 May 2003 Workshop on Standardization in E-health
ITU-TScenarios and use cases
• addition of annotation to a single procedure product;
• addition of annotation to a set of single procedure products laid out according to an existing layout specification;
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2823-25 May 2003 Workshop on Standardization in E-health
ITU-TScenarios and use cases
• creation of a procedure report that references selected previously received procedure product data files and associated annotation;
• creation of a procedure report that references selected previously received procedure product data files with associated annotation together with a layout specification.
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2923-25 May 2003 Workshop on Standardization in E-health
ITU-TScenarios and use cases
o This list is not intended to be exhaustive; indeed it is likely that further scenarios might emerge during consideration of a particular reporting relationship. Identified scenarios should be used to create more formal use cases, from which to derive use profiles and specifications.
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3023-25 May 2003 Workshop on Standardization in E-health
ITU-T
Starting point for discussion?
o Acquiring and viewing multimedia is not today’s biggest problem.
o Integrating the results of that interaction, together with relevant multimdedia data, into the patient record is the real problem.
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3123-25 May 2003 Workshop on Standardization in E-health
ITU-T
Conclusions
o Medical records and medical data: models of electronic data interchange:
• Text, and rarely with supplementary complex information
• As messages or documents • Need to understand how to do
information management and technology:
what, why and how?by whom, and when?
• what, why and how?• by whom, and when?
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International Telecommunication Union
Workshop on Standardization in E-healthGeneva, 23-25 May 2003
EndEndMedical records and medical data:Medical records and medical data:
models of electronic data interchange models of electronic data interchange
Thank you.Thank you.
Melvin [email protected] Consulting, HR9 5PQ, UK