Public Health Data Standards Consortium phdsc
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Transcript of Public Health Data Standards Consortium phdsc
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Public Health Data Standards Consortium http://www.phdsc.org
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Towards Common Work Processes: Business Process Analysis and
Functional Requirements Analysis for Public Health
Anna Orlova, PhDPublic Health Data Standards Consortium
PUBLIC HEALTH DATA STANDARDS CONSORTIUM~ 2009 BUSINESS MEETING OF MEMBERS ~
November 12-13, 2009, Hyattsville, MD
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Where We Now
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State Health Department: Organizational Chart
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All public health activities are supported by customized information systems (databases, registries) developed to address the programmatic needs.
Use of IT in Public Health: Where We Now
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Our information systems do support our programmatic needs
Our information systems cannot exchange data between programs within and across public health agencies and with clinical information systems
AND……
HIT Standards in Public Health: Where We Now
BUT……
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Towards a Nationwide Health Information Network
Where Should We Be in 2014
Why Standards - National Context
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US Nationwide Health Information Network (NHIN) in 2014
Source: Dr. Peter Elkin, 2006
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RHIEs as NHIN ComponentsSource: Dr. Peter Elkin, 2006
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Source: Eileen Koski. Quest Diagnostics. PHIN-2004, May, Atlanta GA
Percent of Children Tested for Lead with BLL>10 µg/dL in the USA
Vision: PH Surveillance under NHIN
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Standardizing Health Information Exchanges
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From Business Processes to
Functional Requirements to
Standardized IT Solutions
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PHII Common Grounds Project“We hope to develop a shared understanding of public
health work and identify areas of commonality among public health agencies," said Dave Ross, Sc.D., director of the Common Ground National Program Office at the Public Health Informatics Institute. "The Common Ground program offers public health agencies the opportunity to collaboratively develop requirements for more effective information systems and better data exchange.”
Source: Public Health Informatics Institute (PHII). URL:http://www.phii.org/programs/CommonGround.asp
Describing Business Processes
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Describing Functional Requirements
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The purpose of the requirements elicitation is to specifythe information system features from user’s perspectives in a structured Functional Requirements Analysis Document (Functional Standard).FRAD Features:• Information System Goals (Tasks)• Actors• Functions (Actions)• Data Sources• Workflow and Dataflow• High Level Architecture
Requirements Elicitation
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Functional Standard
Functional Standard describes work processes that support data exchange between users (e.g., clinicians and public health practitioners) in a format of functional requirements specification for electronic communication between settings (e.g., clinical and public health settings).
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Functional Standard
Functional standard is a vehicle to assure that the work processes of stakeholders (e.g., clinicians and public health practitioners) related to the electronic data exchange are well understood and agreed upon by stakeholders themselves and then communicated clearly to the developers as functional requirements for the information system.
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“Defining system requirements is the most important step in developing or acquiring any information system. A well-conceived and planned health information system can help organizations understand the need to adjust tasks or processes to be more effective or proactive in protecting community health….”
Source: Public Health Informatics Institute (PHII). URL:http://www.phii.org/subjectareas/requirementsdevelopment.asp
Defining Requirements
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Early Hearing Detection and Intervention Content Profile, 2009-10
Standards for Public Health Data Exchanges: Working with Vendors (Newborn Screening, Diabetes, Quality), 2009
Standards for Public Health Data Exchanges: Functional Requirements Standard for Diabetes Care Management and Surveillance, 2008
Towards a Functional Standards on Electronic Data Exchange between Clinical Care and Public Health, 2007
Developing a Vision for Functional requirements Specification for Electronic Data Exchange between Clinical and Public Health Settings: Examples of School Health and Syndromic Surveillance in New York City, 2006
PHDSC FRAD Projects*
*Supported by Health Resources and Services Administration, 2005-2009URL:http://www.phdsc.org/health_info/com_nhin_activities.asp
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From Business Processes to
Functional Requirements to
Standardized IT Solutions
Using SOA(Service-Oriented Architecture)
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Example of Environmental Public Health Tracking
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What are the impacts of pesticide exposure on children’s health?Are changes in the environment related to dramatic increase in
asthma?Are there increases in Systemic Lupus Erythmetosis (SLE) and
multiple sclerosis (MS) in communities with hazardous waste sites?
Track health, disease, and risks to target interventions to those populations most affected by environmental hazards and exposures.
Detect new adverse health events associated with environmental exposures.
Detect unusual occurrences, trends, or clusters of specific health events associated with environmental exposures.
Monitor and assess the effects of policies and the efficacy of interventions and established prevention strategies.
Raise awareness about environmental health issues among consumers, policy makers, health practitioners, industry, the public, and the media.
Examples of Tasks to be Addressed by the Environmental Health Tracking Network
Source: Dr. Nabil Issa, CDC/NCEH
Public Health Questions
Public Health Actions – Business Processes
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Environmental Public Health Tracking NetworkEnvironmental Public Health Tracking Network
•Population Census
•Environmental Exposure Tracking
•Environmental Hazards Tracking
•Health Outcomes Tracking
State and National Data Collection Systems
Integrated Environmental Health
Tracking, Analysis, EvaluationAnd Dissemination
Exposure
Hazards
• Track health, disease, and risk trends
• Establish program priorities
• Develop, implement, and evaluate public health policies and program strategies
• Develop rapid-response mechanisms to investigate outbreaks and clusters
• Develop guidelines/standards
• Generate hypotheses and initiate applied research
Public Health Actions
Source: Dr. Nabil Issa, CDC/NCEH
USER VIEW
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System Architecture forEnvironmental Health Risk Detection, Assessment & Management
System Architecture forEnvironmental Health Risk Detection, Assessment & Management
GIS/Spatial Epidemiology Risk Analysis Data Mining & Knowledge Discovery Statistical ModelsExposure Detection & Risk Analysis
• Track health, disease, and exposure risk/trends• Detect & evaluate risk of exposure to env. hazards• Develop & evaluate public health &
environmental stewardship policies & programs
• Develop rapid-response mechanisms to investigate outbreaks and clusters
• Develop prevention guidelines/standards• Generate hypotheses and initiate applied research
Environmental Stewardship & Public
Health Actions
Source: Dr. Nabil Issa, CDC/NCEH(*) Based on risk assessment and national priorities
Environmental Hazards, Ecology and
Disease Data Collection Systems
Disease Tracking*
•Hospital Discharge•Birth Defects•BRFSS•Cancer Registries•Health Surveys•Vital Statistics
Population Demographi
cs*
•Census Data
Exposure Tracking*
•Human Exposure to Environmental Chemicals
•Toxic Exposure Surveillance
HazardsTracking*
•Hazardous Substances-Emergency Event Surveillance
•Toxic Release Inventory
Ecological Tracking*
•Marine Life•Animals •Plants
Population
DiseaseIndicators
Population Demography
Health Outcomes
Exposure Profile
Environmental Hazard
HazardousMaterial Profile
ExposureIntegrated Environmental
Health Indicators Data Warehouse
Biomonitoring
NaturalAccidentalIntentional
Ecological Indicators
Data Linking/IntegrationMetadata Data Standardization Data Quality AssuranceData Integration,
Transformation & Geocoding
Geocoding
Informatician View
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System
System
System
System
System
System
System
System
Environmental Public Health Tracking Information Exchanges
Developer View
Source:HITSP, 2009
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State Health Department: Organizational Chart
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Use Cases
Business Processes
Business“Top Down”User Driven
(Requirements Driven)
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“Top Down”User Driven
(Requirements Driven) Use Case
Business Processes
Use CaseUse Case
Business
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“Top Down”User Driven
(Requirements Driven) Use Case
Business Processes
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Business
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“Top Down”User Driven
(Requirements Driven) Use Case
Business Processes
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Business
Working with Developers at the Integrating the Healthcare Enterprise (IHE)
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Integration Profile
Transaction
Transaction
Transaction
TransactionContentProfile
Actor
Actor
Transaction
Transaction
Transaction
Transaction
Actor
Actor
Transaction
Transaction
Transaction
Transaction
ContentProfile
Actor
Actor
IHE Technical Frameworks “Bottom-Up”
Health IT Solution Driven
PIX, PDQ, RFD, XDS
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Integration Profile
Transaction
Transaction
Transaction
TransactionContentProfile
Actor
Actor
Transaction
Transaction
Transaction
Transaction
Actor
Actor
Transaction
Transaction
Transaction
Transaction
ContentProfile
Actor
Actor
IHE Technical Frameworks “Bottom-Up”
Health IT Solution Driven
PIX, PDQ, RFD, XDS
“Top Down”User Driven
(Requirements Driven) Use Case
Business Processes
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Business
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Task Service Layer
Entity Service Layer
Utility Service Layer
Service Layers
Service-Oriented Architecture (SOA)
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Entity Services
Utility Services /IHE Integration Profiles
Task Services
PIX Mgr PDQ Mgr Registry Repository Audit
Identity Document
GetPatientLHR
Example of Service Layers / Integration Profile Mapping
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Integration Profile
Transaction
Transaction
Transaction
TransactionContentProfile
Actor
Actor
Transaction
Transaction
Transaction
Transaction
Actor
Actor
Transaction
Transaction
Transaction
Transaction
ContentProfile
Actor
Actor
IHE Technical Frameworks “Bottom-Up”
Health IT Solution Driven
PIX, PDQ, RFD, XDS
“Top Down”User Driven
(Requirements Driven) Use Case
Business Processes
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Business
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IHE & SOA White Paper
Integration Profile
Transaction
Transaction
Transaction
TransactionContentProfile
Actor
Actor
Transaction
Transaction
Transaction
Transaction
Actor
Actor
Transaction
Transaction
Transaction
Transaction
ContentProfile
Actor
Actor
IHE Technical Frameworks
“Top Down”User Driven
(Requirements Driven)
“Bottom-Up”Health IT Solution Driven
Task Service Layer
Entity Service Layer
Utility Service Layer
PIX, PDQ, RFD, XDS
Use Case
Business Processes
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Use Case
FunctionalRequirements/
Capabilities
Business
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Value of SOA
SOA links business and functional requirements to standardized interoperable IT solutions
For Users (Public Health Professionals and Clinicians)
Ability to navigate and select appropriate IT standards/ products for a service that is understandable for a non-technical audience, ie, identity service, document service, etc.
Ability to relate user requirements to IHE technical solutions (capabilities)
Ability to see commonalities for technical solutions across business processes
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Value of SOA
SOA links business and functional requirements to standardized interoperable IT solutions
For Developers Help users and their IT vendors to navigate through
interoperability standards Help IT vendors to correctly use interoperability
products in their applications Develop new IT products for services requested by
users, ie, identity service, document service, etc.
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Value of SOA
SOA links business and functional requirements to standardized interoperable IT solutions
So, together we can built interoperable, standards-based IT products that will adhere to user needs to assure “meaningful use” of Health IT
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Resources:
A Service-Oriented Architecture (SOA) View of IHE Profiles – White Paper at the Integrating the Healthcare Enterprise (IHE). (URL: https://sites.google.com/site/projecthrsaphdsc/objective-2
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Questions?