[openEHR-announce] New masters thesis on GDL, decision support from Karolinska Institute
thomas.beale at oceaninformatics.com
Mon Jul 8 08:41:48 EDT 2013
A new thesis
been published on guidelines, working with the Guideline Definition
Language (GDL), by Konstantinos Kalliamvakos from Karolinska Institutet.
Title: *Evaluation of the Guideline Definition Language (GDL) in the
clinical area of severe sepsis and septic shock*
* *Background*: The currently existing Guideline Representation
Models(GRM) present limitations which hinder the adoption of
guideline oriented Clinical Decision Support Systems(CDSS). To
overcome these limitations and allow a successful adoption of
guideline oriented CDSS standardized GRMs, which can express
Clinical Practice Guidelines(CPGs) as Clinical Decision Support(CDS)
rules, are needed. Therefore the two standardized GRMs GELLO and GDL
have emerged. Even though GDL is currently evaluated in different
clinical areas further evaluation is needed to improve and verify
* *Objectives*: The aim is to assess if GDL can be used to
successfully represent CPGs as CDS rules in an EHR and to unveil any
similarities between the specifications of GELLO and GDL.
* *Methods*: A small part of a severe sepsis and septic shock
guideline was modeled using GDL which was then applied to mock
patient data to validate GDL. Furthermore the specification of GELLO
and GDL were compared against certain criteria to unveil any
* *Results*: Four GDL guides were produced for the detection and
management of severe sepsis and septic shock. Results from the
validation of GDL were in line with the mock patient data and
results from the comparison of GELLO and GDL revealed two similarities.
* *Conclusion*: The validation indicates that GDL can support the
criteria for modeling guidelines in the clinical area of severe
sepsis and septic shock; due to limitations this finding cannot be
generalized. The comparison of GELLO and GDL revealed similarities
regarding the use of the OO approach for their design and the use of
a local term binded to an external terminology.
* *Keywords*: Guideline representation models, GDL, GELLO, Clinical
decision support systems, HL7, openEHR.
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