An increasing number of patients suffer from multiple diseases at the same time. This makes their treatment much more complex, and the standard medical treatment guidelines no longer apply (they are typically written for patients with just a single disease). We present computer-based techniques for analysing medical guidelines to detect how multiple guidelines may interact in unexpected ways, and how Linked Open Data can be used to recognise and avoid such adverse effects.
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Linked Open Data for Medical Guidelines Interactions
1. @AIME, Pavia, 19th June 2015
Linked Open Data for Medical
Guidelines Interactions
Veruska Zamborlini,
Marcos da Silveira, Cedric Pruski, Annette ten Teije and Frank van Harmelen, Rinke Hoekstra
2. Epidemiology of multimorbidity and implications for health care, research, and medical education: a cross-sectional study (2012)
Karen Barnett, Stewart W Mercer, Michael Norbury, Prof Graham Watt, Prof Sally Wyke, Bruce Guthrie
Project Smart Ward
Expectation:
multi-morbidity holds for psychiatric patients as well
3. In practice:
✤ Paper-based Clinical Guideline (CG)
✤ One guideline per disease
✤ Common co-morbidities (2) are
addressed during CG development
✤ Not suitable for detecting interactions
5. What do we propose?
✤ Address multimobidity at CG level:
✤ scalable in number of guidelines
✤ reusable rules designed for diverse types of interactions
✤ binary cumulative rules - allows for combination of n recommendations
✤ represent recommendations based on transitions promoted by actions
✤ do give aspirin x don’t give aspirin
=> different recommendations about the same action
✤ hierarchy of actions
✤ causation beliefs
✤ reuse of existent background knowledge available online (LOD)
14. Reusable Rules
IF Positive recommendation R1 to action A1
& Negative recommendation R2 to action A2
& Actions A1 and A2 are the same or subsuming one another
THEN R1 and R2 might contradict each other
19. Conclusion so far
✤ Address multimobidity at CG level:
✤ reusable/domain-independent rules for detecting types of interactions
✤ scalable in number of guidelines
Next step
✤ Re-use of existent background knowledge available online (LOD)
39. Nanopublication
46
Provenance about the publication:
When, by whom, how this publication was
produced…
“Atomic” piece of information:
E.g. causation beliefs, recommendations.
Provenance about the assertion:
Who/where it was originally asserted;
In case the source is a text, the specific piece od
text can also be pointed out.
42. Conclusion
49
✤Guideline model: represent recommendations based on
transitions promoted by actions
(hierarchy of actions & causation beliefs)
✤ Address multimobidity at guideline level
✤ scalable in number of guidelines
✤ reusable rules designed for diverse types of interactions
✤Semantic web technology
✤ reuse of existent background knowledge available online (LOD)
✤ use nano publications for guideline model
Smart Ward: use of guidelines
Smart Ward:
interactions detection independent of
specific diseases
Relevant technology
Hinweis der Redaktion
Should administer NSAID to reduce blood coagulation
guideline Diabetes (DB)
should administer Tramadol to reduce blood coagulation
should administer Insulin to reduce blood sugar level
guideline Osteoarthritis (OA)
should NOT administer Aspirin to avoid increasing risk of gastro intestinal bleeding
Notice: DB.1 and DB.2 are alternative recommendations meant for promoting the same effect.
Interactions: DB1 en DB2 alternatives
Osteoarthritis (OA):
should administer Ibuprofen to reduce pain
DB1 and OA1 are contradictory recommendations
DB1 might lead to the prescription of Aspirin
Aspirin is not recommended by OA1.
third guideline: Hypertension
Should administer Thiziade to reduce the blood pressure
OA3 and HT1 interact:OA3 has interaction via high blood sugar levels.