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Transcript of Health (hospital) Information Systems Dr. László Daragó PhD Associate professor Semmelweis...
![Page 1: Health (hospital) Information Systems Dr. László Daragó PhD Associate professor Semmelweis University Health Informatics Institute.](https://reader036.fdocuments.in/reader036/viewer/2022062314/56649e0d5503460f94af69a3/html5/thumbnails/1.jpg)
Health (hospital)Information Systems
Dr. László Daragó PhDAssociate professor
Semmelweis UniversityHealth Informatics Institute
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The Healthcare and the Information System
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The functions of the hospital
• Medical Care– Diagnostics– Therapy
• Nursing
• Hotel services
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The function of the HIS (Hospital Information System)
• It supports – Daily routine (input, output (work lists))– Managing (queries)– Decision making (reports)
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I/O, query, report
input output
parameter outputquery
outputreport
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The Hungarian Health care
Health care
Primary care Care
Outparient’s care Inpatient’s care
Basic level
High-level
Active care
Chronic care
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Finance
Health care
Primary careCapitation
CarePerformance based
Outpatient’s care Inpatient’s care
Basic levelItemised (German score)
High-levelItemised vs. normative
Active careNormative (DRG’s)
Chronic careItemised (Daily fee)
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Structure of HIS
Return Case
Departmental case Event
Resource (Direct-) Costs
Hospital case Hospital (indirect) costs
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Functional architecture of HIS
Clinical subsystem/module• Outpatient’s care• Inpatient’s care• Order communication• Pharmacy• Catering• Lab• Imaging•…
Economical subsystem/module• General ledger• Personnel• Waging• Logistics• Hotel services• Technical supports• Security•…
Admission/discharge/transfer (ADT) subsystem/module
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Module vs. subsystem
• Information system (Top-Down)– Database (well defined: MBDS based)– User surfaces (by several type of users)
• Communication system (Bottom-Up)– User tailored systems (subsystems)– Communication interfaces
• Distributed/integrated database
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Management information system
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MIS
• Integrated or interfaced "user-machine" system for servicing information to support the operation, managing and decision support in a given organisation.
• That is:– Connected to an organisation– End-user system included– Services information
• It supports – Operation (daily routine)– Managing– Controlling– Decision support
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IS, MIS, MISS, HIS, EIS, DSS
SP/EIS
TP
OP & C
MISS
DSS
MIS/ISHIS
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MIS
• Strategic planning: – Goals, policy and general procedures at a given life
cycle of the organisation.
• Management control and tactical planning:– Source, input and output tactics, developments,
budget planning and monitoring.
• Operational planning and controlling:– Accessing the optimal efficacy, efficiency and
economical way in the given circumstances.
• Transactional system: I/O, Query, Report
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MIS
• HW, SW component (EDP: electric data processing)
• Human procedures, automations
• Models for analysis, planning, controlling and decision support
• Well defined database
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System definition: the requirement’s document
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The requirement’s document contains
Functional requirements
The user’s expectations on the services, should be performed.
Non functional requirements
Restrictions and constraints of the performing
-product restrictions
-organisational restrictions
-external (third party) restrictions
Domain requirements
Professional requirements, what must be performed independently of the aim of the provider or customer.
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The types of the requirement’s documentation
User’s requirementsFree of contradictions,complete
SystemrequirementsFree of contradictions,complete
Software requirementspecifications •Determines only external behaviour•Specifies any restrictions that can preventa succesfull implementation•Must be easily updated•It can be used as reference for IS maintenance•It should contain forecast for the lifecycles of the IS•Whenever possible predicts and offers solutions for unwanted events
User Provider
User demands
User’s vision on the system:
Incomplete, full of contradictions
Systemproducer (IT)
correspondence
contract
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Data handling
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Goals of data handling
- To support the health protection, conserve the health status.
- To help the medical activity of the health service provider.
- Tracking the health status of the patient.- In interest of arrangements in public health or epidemic affairs.
- Data processing for statistical goals (depersonalisation)- Scientific research (Personal data must not be referred)- Data handling of Social Security.- Data handling for criminal, judicial, national security reasons.
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Entities
External InternalExternal-external external-internaloutgoing report(work list) archivesincoming dictation(sheets)
Output: Stored: Form (screen), report (paper/screen), filefile, sound, multimedia, e-mail, etc.
Input:Form (sheet with formatted/unformatted text), file, image, sound, video, etc.
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• Patient: closing report, medical report, prescription, assigning, letter of advice• Health insurance: performance based financing
– outpatient-– inpatient-
• GP: closing report, medical report • Medical college: defined by the professions• Health government: epidemic reports• Office of Statistics: statistical report• Office of Tax: tax reports (VAT: Value Added Tax, PIT: Personal Income Tax)• Ministry of Labour: reports on employment, report on employ• State Treasury: waging• Medical Technical Institute: state of instrumentality, probate• Owner/supporter: property, performance, trusted tools• Other hospital: data related on a transfered patient (see data security).
External-external output
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External data transfer(simplified scheme)
hospital
Patent
Health insurance Health gov. Tax office
Medical college
Treasury
Med. tech. office Other hospital
GP
Owner/supporter
Stat. officeMin. of Labour
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External-internal output• Administrative admission (personal, social, insurance data)
(ADT: Admission, Discharge, Transfer) • Medical admission (anamnesis, status, suspected diagnose, plan of
diagnostics)• Nursing diary (nursing status, plan for nursing, nursing decursus)• Temperature chart (medical status, plan for diagnostics and therapy,
decursus, consultation)• Medical history• Order communication
– diet– medicine– examination– procedure– transfer
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Structure of hospital database
• General (basic) data of case– Personal data– Insurance data– ADT basic data
• Inpatient/outpatient financing data• Clinical data of case
– Medical data– Nursing data– Social data
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Views of the HIS
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HIS
• User– MD (memory support (patient, guideline), make
to document the case easy )
– Patient (inform, decision support)
• Organizer/Information Manager (conformance, user-friend solution, compliance with law and professional guidelines)
• Technician/Information Technology (robustness, reliability, maintenance, data security and safety)
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HIS user
• External data supply– Minimum Basic Data Set (DRG’s)– Obligatory reports– Scientific research
• Worklists– Medical report– Prescription– Assigning (hospitalization)
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HIS organizer
• Requirements
• Solution
• Application
• Training
• Hot line
• Help desk
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HIS IT
• Hardware– Intelligent/dumb terminal– Network– Printing
• Software– Operating system– Applications, frame system– Internet
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HIStory
• General ledger
• Accounting, inventory (materials, technical support, catering)
• Controlling
• Patient-statistics
• Performance based financial reporting
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Dataflow diagram
patient
Input personal data
Scheduling
scheduled patient
patient
Open caseanamnesis
Make diagnosticplan
Execute diagnosticplan
Make therapy plan
Execute therapyplan
Evaluate
Nursing
status
diagnosticprocedure order
status
decursus
status
decursus
diagnose
therapy order
therapy
closing report
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Basic entity of the cure,Minimum Basic Data Set (MBDS)
ADT:Admission, Discharge, Transfer
Medical caseIn/outpatient
Financial case
Patient
event
ExaminationProcedureTherapyDietTransportationConsultation
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That’s All Folks!