Download decision

Handheld-Based Decision Support
in Trauma Medicine
Blaž Zupan
Faculty of Computer Science, University of Ljubljana
Baylor College of Medicine, Houston
Examples of
Medical Decision Support
• Probability of recurrence after radical prostatectomy
• Predicting patient’s long term clinical status after hip
arthroplasty
• Wrist injuries: should we operate?
Why?
• Second opinion
• Systematic approach
• Decision analysis
– which factors are important
– how do they influence the decision
• Prognosis,
• Treatment planning,
• Diagnosis, ...
Why handhelds?
• Handhelds are practical
• Decision support tool should be available
wherever decision takes place
• They provide enough computing power
Decision Support Models
data
(EPR, clinical data bases, ...)
decision
support
model
statistical analysis
data mining
background (expert) knowledge
patient’s data
decision
(prognosis, diagnosis, treatment plan, ...)
Sucess Story: Prostogram
• MW Kattan, P Fern: From 1999 in regular use at
Memorial Sloan-Kettering Hospital and BCM
Decision Support Shell
on Palm(TM)
statistical analysis
data mining
decision support models
in XML
(synchronization)
decision support
An example ...
Aoki N. et al:
Mathematical
Analysis of Data
from the HanshinAwaji Earthquake.
... An example
Current Status
• Applications
– BCM & Ben Taub Hospital, Houston: traumatology
– Smrke (Clinical Center in Ljubljana, Slovenia): hip,
wrist injury
– Kattan (Sloan-Kettering, NY): prostate cancer
• Methodology
– Logistic regression, other methods (table lookup,
naive Bayes, survival models) coming soon
– Integration with data mining tools coming soon