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Informatics 2017, 4(3), 20; https://doi.org/10.3390/informatics4030020

Modeling the Construct of an Expert Evidence-Adaptive Knowledge Base for a Pressure Injury Clinical Decision Support System

1
Tan Tock Seng Hospital Pte Ltd. 11 Jalan Tan Tock Seng, Singapore 308433, Singapore
2
Integrated Health Information Systems Pte Ltd. (IHiS)2 6 Serangoon North Avenue 5, #01-01/02, Singapore 554910, Singapore
*
Author to whom correspondence should be addressed.
Academic Editor: Sile A. Creedon
Received: 30 April 2017 / Revised: 5 July 2017 / Accepted: 6 July 2017 / Published: 12 July 2017
(This article belongs to the Special Issue Nursing Informatics)
View Full-Text   |   Download PDF [4404 KB, uploaded 12 July 2017]   |  

Abstract

The selection of appropriate wound products for the treatment of pressure injuries is paramount in promoting wound healing. However, nurses find it difficult to decide on the most optimal wound product(s) due to limited live experiences in managing pressure injuries resulting from successfully implemented pressure injury prevention programs. The challenges of effective decision-making in wound treatments by nurses at the point of care are compounded by the yearly release of wide arrays of newly researched wound products into the consumer market. A clinical decision support system for pressure injury (PI-CDSS) was built to facilitate effective decision-making and selection of optimal wound treatments. This paper describes the development of PI-CDSS with an expert knowledge base using an interactive development environment, Blaze Advisor. A conceptual framework using decision-making and decision theory, knowledge representation, and process modelling guided the construct of the PI-CDSS. This expert system has incorporated the practical and relevant decision knowledge of wound experts in assessment and wound treatments in its algorithm. The construct of the PI-CDSS is adaptive, with scalable capabilities for expansion to include other CDSSs and interoperability to interface with other existing clinical and administrative systems. The algorithm was formatively evaluated and tested for usability. The treatment modalities generated after using patient-specific assessment data were found to be consistent with the treatment plan(s) proposed by the wound experts. The overall agreement exceeded 90% between the wound experts and the generated treatment modalities for the choice of wound products, instructions, and alerts. The PI-CDSS serves as a just-in-time wound treatment protocol with suggested clinical actions for nurses, based on the best evidence available. View Full-Text
Keywords: clinical decision support system; system construct; evidence-based expert system; development; pressure injury; nurses; wound treatment clinical decision support system; system construct; evidence-based expert system; development; pressure injury; nurses; wound treatment
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Khong, P.C.B.; Lee, L.N.; Dawang, A.I. Modeling the Construct of an Expert Evidence-Adaptive Knowledge Base for a Pressure Injury Clinical Decision Support System. Informatics 2017, 4, 20.

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