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Medical decision-support systems and the concept of context
Linköping University, Department of Biomedical Engineering, Medical Informatics. Linköping University, The Institute of Technology.
Linköping University, Department of Molecular and Clinical Medicine, Clinical Microbiology. Linköping University, Faculty of Health Sciences.
2004 (English)In: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 29, no 2, 109-118 p.Article in journal (Refereed) Published
Abstract [en]

Medical decision-support systems are of necessity multi-contextual in nature. There are always at least two contexts involved in the use of such systems: the expert knowledge-provider context and the end-user context. To show this, we present examples of context-dependent aspects significant to the use of decision-support systems. The existence of discrepancies between the contexts threatens to disrupt the rationale for using decision-support systems: for the system to transfer knowledge from the expert to the end-user. Both theoretical and empirical studies show that such discrepancies exist and that they may be detrimental to the use of decision-support systems. Systems must thus give support in interpreting the output produced by the system in the context of the end-user. © 2004 Taylor and Francis Ltd.

Place, publisher, year, edition, pages
2004. Vol. 29, no 2, 109-118 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-28810DOI: 10.1080/14639230410001684404Local ID: 13998OAI: oai:DiVA.org:liu-28810DiVA: diva2:249622
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2017-12-13
In thesis
1. Aspects of the use of medical decision-support systems: the role of context in decision support
Open this publication in new window or tab >>Aspects of the use of medical decision-support systems: the role of context in decision support
2001 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

There is a great need today for distribution of medical information. The amount of information is growing quickly, and information that could potentially influence clinical practice fails to reach health care professionals. The supply of information to health care has from the start been the main goal of medical informatics. However, with very few exceptions, the systems developed to support the formalization and distribution of medical knowledge, i.e. decision-support or expert systems, have not attained clinical use. Thus, since there is an unsatisfied need for information and the methods developed so far have been successful to only a limited extent, it is important to gain insight into both how decision-support systems are used and which of their properties may influence the usability.

This thesis describes aspects of the use of medical decision-support systems by looking at two prototype implementations of such systems. The prototypes concerned bacterial endocarditis and urinary tract infections respectively. The first prototype system was evaluated and a theory of the use of the system was developed, thereby leading to further theorization and the development of a new system design. The goal of the system designs was to facilitate the interpretation and assessment of generated advice. This kind of support was realized by applying an expertext system model, a model that supports triangulation of decision-support methods and information sources. To organize the information in an expertext environment, a common terminological domain model was used in the second system design. In the theorization, a special focus was on contextual aspects of system use. Differences between knowledge provider and end-user contexts concerning the use of decision-support systems were analyzed. The importance of support for multi-perspective interpretation of system output such as is present in our system designs was confirmed.

Place, publisher, year, edition, pages
Linköping: UNIT, 2001. 45 p.
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 662
National Category
Medical and Health Sciences
Identifiers
urn:nbn:se:liu:diva-29007 (URN)14240 (Local ID)91-7219-896-6 (ISBN)14240 (Archive number)14240 (OAI)
Public defence
2001-01-09, Sal 1, Farmakologen, Plan 8, Universitetssjukhuset, Linköping, 09:00 (Swedish)
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2013-02-19

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Karlsson, DanielForsum, Urban

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