i minds2009 health decision support prof bart de moor (ibbt esat ku leuven)
TRANSCRIPT
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Health Decision
Support Systems
Prof. Dr. Ir. Bart De Moor
ESAT-SCD K.U.Leuven / IBBT
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Outline
-Trends
-Context
-Opportunities and challenges
-What to do ?
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Trends
I. Exponential evolution in ICT, medical and bio-technology
II. Tsunami of data
III. Inter-, cross-, and multi-disciplinarity
IV. Societal demands
V. Translational gap
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Gordon Moore’s law
0
1 109
2 109
3 109
4 109
5 109
6 109
1975 1980 1985 1990 1995 2000 2005 2010
Year
BookkeepingAudio
Video
3D games
LUI
Op
erati
on
s/
secon
d
‘Understand’ ?
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Broad band capacity
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Making sense of the 1000 $ genome ?
• Human genome project
– Initial draft: June 2000
– Final draft: April 2003
– 13 year project
– $300 million value with 2002 technology
• Personal genome
– June 1, 2007
– Genome of James Watson, co-discoverer of DNA double helix, is sequenced
• $1.000.000
• Two months
• €1000-genome
– Expected 2012-2020
1,00E-07
1,00E-06
1,00E-05
1,00E-04
1,00E-03
1,00E-02
1,00E-01
1,00E+00
1,00E+01
1,00E+02
1,00E+03
1,00E+04
1,00E+05
1,00E+06
1,00E+07
1,00E+08
1,00E+09
1,00E+10
1,00E+11
1990 1995 2000 2002 2005 2007 2010 2015
Cost per base pair
Genome cost
Year Cost per base pair Genome cost
1990 10 3E+10
1995 1 3.000.000.000
2000 0.2 600.000.000
2002 0.09 270.000.000
2005 0.03 90.000.000
2007 0.000333333 1.000.000
2010 3.33333E-06 10000
2015 0.0000001 300
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Moore versus Carlson
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Tsunami of data
-New technologies generate more data
-Increased spatial and temporal resolution
-More studies per patient, more datasets per study
Virtual colonoscopy from CT
images
with automatically detected
polyps
subtraction CT angiography
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transcriptome proteome metabolome interactomegenome
ACACATTAAATCTTATATGC
TAAAACTAGGTCTCGTTTTA
GGGATGTTTATAACCATCTT
TGAGATTATTGATGCATGGT
TATTGGTTAGAAAAAATATA
CGCTTGTTTTTCTTTCCTAG
GTTGATTGACTCATACATGT
GTTTCATTGAGGAAGGAAC
TTAACAAAACTGCACTTTTT
TCAACGTCACAGCTACTTTA
AAAGTGATCAAAGTATATCA
AGAAAGCTTAATATAAAGAC
ATTTGTTTCAAGGTTTCGTA
AGTGCACAATATCAAGAAG
ACAAAAATGACTAATTTTGT
TTTCAGGAAGCATATATATT
ACACGAACACAAATCTATTT
TTGTAATCAACACCGACCAT
GGTTCGATTACACACATTAA
ATCTTATATGCTAAAACTAG
GTCTCGTTTTAGGGATGTTT
ATAACCATCTTTGAGATTAT
TGATGCATGGTTATTGGTTA
GAAAAAATATACGCTTGTTT
TTCTTTCCTAGGTTGATTGA
PrometaGS-FLX Roche
Applied Science 454
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Microarray data: genetic fingerprints
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Text mining
By 2010, 1/3 of all world data bases will consist of biomedical data 11
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Analysis bottlenecks
# Genetic data
Complexity
Price pbp
Interpretability
Analysis bottleneck
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Transdisciplinary integration
Materials, energy, IT Ubiquitous
computingAmbient intelligence
Embedded intelligence
Smart pills
Neuron on chip Rehabilitation engineering
Monitoring
Sensors: EEG, glucose,blood, DNA, …
Add-ons: vision, hearing, implants, …
Cellular
POTS
WLANw
ire
les
s
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Rationales for eHealth
-Improve quality performance of health decision/diagnosis systems
-Support individual medical doctor
-Avoid/decrease number of medicial errors
-Web portal for Evidence Based Medicine
-Organised access to literature
-Examples: UK, Norway, Sweden, Finland
-Information sharing among doctors
-avoid/monitor patient (s)hopping behavior
-Global Medical File per patient
-Interoperability
-Deal with ‘empowerment of the patient’: Patient-centric health care
-Medical care in 4P: personalized, preventive, predictive, participatory
-Increasing trend for ‘customized’’personalized’ medicine
-Improve transparancy and consistency
-Deal/cope with ‘professional’ (chronical) patients (heart, diabetes, cancer,…)
-Improve patient mobility
-Cost effectiveness of the health care system
-Ageing population:
-EU 2050: 65+ +70%; 80+ +180%
-Vl. 2012: 60+ 25 % of Vl.
-Monitor overconsumption
-Improve transparancy
-Detect abnormalities in diagnosis/therapy/…
-Cope with tsunami of available information and data (clinical, population, ….)
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Translational medicine: bed bench
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Health care system
Basic sciences
& technology
Biomedical
sciences
BASIC /
PRECLINICAL
CLINICAL
CORE
FACIL
Clinical Practice
Experimental clinical medicine
Humanities
Social health
sciences
CORE
FACIL
BASIC /
PRECLINICAL
Academia Academia
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Imaging in translational research
Molecular imaging:
translational research from animal models to clinical applications
Animal modelsof human disease
C
D
In vitro Cell culture Ex vivo In vivo Patient
Animal model Molecular imaging Clinical studies
A: PET
B: CT
C: US
D: SPECT
E: MR
F: BLI
Animal model Patient
Neurodegenerative diseases
Chemotherapy
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Outline
-Trends
-Context
-Opportunities and challenges
-What to do ?
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Context
-VRWB cluster analysis
-Cluster 2: ICT and Health Care
-Cluster 5: New business models
- VRWB, 2008: De uitbouw van het translationeel onderzoek in Vlaanderen
- VR 30/04/2009: Oprichting van een Centrum voor Translationele Biomedische
Innovatie / m.i.v. 8 mio euro voor biobank
- VIB, IBBT, Universities
- eHealth platform
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Obama
http://www.whitehouse.gov/blog/09/04/27/The-Necessity-of-Science/
But in order to lead in the global economy and to ensure that our businesses can grow and innovate, and
our families can thrive, we're also going to have to address the shortcomings of our health care system.
The Recovery Act will support the long overdue step of computerizing America's medical records, to
reduce the duplication, waste and errors that cost billions of dollars and thousands of lives. But it's
important to note, these records also hold the potential of offering patients the chance to be more
active participants in the prevention and treatment of their diseases. We must maintain patient
control over these records and respect their privacy. At the same time, we have the opportunity to offer
billions and billions of anonymous data points to medical researchers who may find in this
information evidence that can help us better understand disease.
History also teaches us the greatest advances in medicine have come from scientific breakthroughs,
whether the discovery of antibiotics, or improved public health practices, vaccines for smallpox and polio
and many other infectious diseases, antiretroviral drugs that can return AIDS patients to productive lives,
pills that can control certain types of blood cancers, so many others.
Because of recent progress –- not just in biology, genetics and medicine, but also in physics,
chemistry, computer science, and engineering –- we have the potential to make enormous
progress against diseases in the coming decades. And that's why my administration is committed to
increasing funding for the National Institutes of Health, including $6 billion to support cancer research --
part of a sustained, multi-year plan to double cancer research in our country. (Applause.)
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Need for investments
-RIZIV: 23 mia euro / year
-Cumulative R&D funding Flanders (FWO, IWT, IBBT, VIB, IMEC,…)
human health: 150 mio euro/year
- Need for new funding federal / communities / regions on
Innovation in Health Care
-FOD Volksgezondheid: 16 a 17 mio euro / year for IT Hospitals
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Outline
-Trends
-Context
-Opportunities and challenges
-What to do ?
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Opportunities: Decision support systems
-Advanced Health Decision Support Systems based
on integration of heterogeneous data sources
-Policy Decision Support Systems
-Embedded Decision Support Systems
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Multimodal image data integration
0
4020 g
0
40
Baseline
10 g
0
40
DSE
Strain [%]
NH3
perfusion
FDG
metabolism
MR
PET US
Assessment of myocardial infarction and residual viability:
multimodal characterization of function, perfusion and metabolism
CE-MRICine MRI Perfusion MRI
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High-throughput
genomics
Data analysis Candidate
genes
?Information sources
Candidate prioritization
Validation
Aerts et al, Nature Biotechnology, 2006
Heterogenous data source gene prioritization
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Clinical decision support
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What to do ?
Hospital
information
Systems
Invoicing
RIZIV
Decision
support
Patient Health
Decision
Support &
Disease
management
Policy Decision
Support
Embedded
Decision
Support
Fundamental
Clinical
Research
Pathogenesis
Biomarkers
Target/drug
discovery
Translational
5-10 years ahead
of deployment
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Information security aspects
-Multilateral security for community-centric healthcare IT platforms
-System and software security of critical community (e-health) infrastructures
-Enabling technologies for collaborative work in the e-health sector
-Policy negotiation, enforcement and compliance
-Privacy preserving data-mining and statistical databases
-Body Area Networks (implanted devices, wearable devices,…) and
Personal Area Networks
- E-government : identity management, delegation, controlled data exchange
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Policy decision support
-Population based mining
-Spatial-temporal modelling
- geography, age clusters, consumption profiles, longitudinal time series
-Clustering, classification, modelling, prediction, trends, seasonalities
-Outlier detection
-Federaal Kenniscentrum Gezondheidszorg
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Embedded decision support systems
-Assistive health and welness management systems
-Health telematics
-Intelligent environments, ambient intelligence, smart homes, home networks
-Home health monitoring and intervention
-Health vaults: personal medical data collection and processing
-Wearable sensor signal processing/wireless registration of physiological
parameters
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PR
QT
QRS width
Normal QRS
Left Bundle
Branch Block
Advanced Signal Processing
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Outline
-Trends
-Context
-Opportunities and challenges
-What to do ?
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