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Asim Muhammad (Philips, Chair E2E Architecture) Martin Rosner (Philips, Chair E2E Security ) PowerPoint PPT Presentation


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Continua Health Alliance and HL-7 Result of the workshop with Lantana on investigating the options for Questionnaire Standardization. Asim Muhammad (Philips, Chair E2E Architecture) Martin Rosner (Philips, Chair E2E Security ). Confidential Information. Outline.

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Asim Muhammad (Philips, Chair E2E Architecture) Martin Rosner (Philips, Chair E2E Security )

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Asim muhammad philips chair e2e architecture martin rosner philips chair e2e security

Continua Health Alliance and HL-7Result of the workshop with Lantana on investigating the options for Questionnaire Standardization

Asim Muhammad (Philips, Chair E2E Architecture)

Martin Rosner (Philips, Chair E2E Security )

Confidential Information


Outline

Outline

  • Continua Questionnaire Use Case

  • Sample Questions

  • Workshop with Lantana on the Realization of Continua Requirements

    • Options

    • Results

  • Discussion and next steps


Current architecture and enhancements

Current Architecture and Enhancements

Personal Device

(PAN/LAN/TAN)

HRN Device

ApplicationHosting

Device

WAN

Device

Thermometer

Pulse Oximeter

CCD

Pulse /Blood Pressure

PCD 01

Weight Scale

NFC

Glucose Meter

Cardio / Strength

EHR

Wide

Area

Network

(WAN)

Interface

Health

Reporting

Network (HRN)

Interface

Peak Flow

Low Energy

HIE

Adherence Monitor

PHR

Independent

Living Activity

NHIN

Water

Gas

Temperature

Fall

3

Device

Connectivity


Asim muhammad philips chair e2e architecture martin rosner philips chair e2e security

Continua E2E Reference Topology(with real-world example devices overlayed)

  • Current state:

  • Observations upload based on IHE PCD 01-HL7 v2.6 and WS-I basic profile

  • IHE XDR + HL7 CDA R2 Consent Directive IG

Application Hosting Device

WAN Device (hosts telehealth services)

WAN-Interface

Future (2013):

Enable questionnaires and questionnaire response


Questionnaire use case

Questionnaire use case

Questionnaire document

(inc. branching logic)

ApplicationHosting

Device

WAN Device

Out of scope for Continua

Out of scope for Continua

Questionnaire

Response

document

Patient fills-in the questionnaire

The objective is to enable the interoperable representation and exchange of the questionnaire and questionnaire response across the WAN-IF.

Defining the rendering / layout (XHTML, XForm etc.) of the questionnaire on the AHD is an implementer responsibility and out of scope for Continua.


Question set 1

Question Set 1

  • Question Set

    • It groups questions related to a domain e.g. mental well-being.

Confidential Information


Question 1

Question 1


Question 2

Question 2


Question 3

Question 3


Additional requirements 1 2

Additional requirements (1/2)

  • A question may also hold link to a multimedia item (e.g. image, video)

  • A question may also consists of attributes that are used to signal the minimum and maximum number of answer option a patient must select (similar to ObservationRange construct)

Additional elementsto Question 1 (slide 7)

Confidential Information


Additional requirements 2 2

Additional requirements (2/2)

  • The answer to a question may be of numeric type.

  • Allowed range of values (e.g. 0 to 24) for an answer can be indicated using the ObservationRange construct.

Confidential Information


Workshop with lantana

Workshop with Lantana

  • Three day workshop with Lantana development team where we discussed Continua use case and requirements (slide 6-10) and then developed a small prototype.

  • After several hours of discussion we agreed to focus on the following system diagram:

Confidential Information


Options

Options

  • As a result of the three day workshop we identified the following options for expressing the Questionnaire Document in a standard format

  • Options

Confidential Information


Results questionnaire document

Results (Questionnaire Document)

  • NOT a clinical document, used to extract the input from patient resulting in a response document

  • Extended the Questionnaire Assessment templates

  • If we go with CDA Extension option, then

    • Observation/code holds the question text

    • Observation/value holds the answer option(s)

    • Answer may be constrained as free text, an integer or multiple-choice expressed as a coded value set

  • Some questions include logic (pre condition- slide 9) that determines what question is shown next depending on the answer(s) to previous questions.

    • HL-7 Example

      • If observation/value in template A is “X-SOME-CODE” from LOINC, then template B is required

    • Continua equivalence

      • If the user answers question A with “SOME ANSWER”, then show question B next

    • We also looked at the HQMF IG

      • can be used to realize logical expressions (ex. a pre condition on slide 9)

Confidential Information


Results questionnaire response

Results (Questionnaire Response)

  • We agreed that Questionnaire Response is a clinical document and can be easily mapped to CDA constructs similar to Questionnaire Assessment IG.

Confidential Information


Discussion and next steps

Discussion and Next Steps

  • Feedback on the options

    • ?

  • Project scope statement(s)

    • Draft PSS(s) for Questionnaire and Questionnaire Response work items

    • Send draft statements to SDWG by Monday the 17th of Dec.

    • Review and address comments up until F2F meeting

Confidential Information


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