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Using an accident model to design safe electronic medication management systems.

Authors
  • Magrabi, Farah
  • McDonnell, Geoff
  • Westbrook, Johanna I
  • Coiera, Enrico
Type
Published Article
Journal
Studies in health technology and informatics
Publication Date
Jan 01, 2007
Volume
129
Issue
Pt 2
Pages
948–952
Identifiers
PMID: 17911855
Source
Medline
License
Unknown

Abstract

Large-scale implementation of electronic prescribing systems (e-PS) is likely to introduce at least some machinerelated errors that will harm patients. We present a dynamic systems modeling approach to developing a comprehensive multilevel accident model of the process, context and task interaction variables which give rise to human error and system failure when e-PS are used in routine care. System dynamics methods are used to represent interactions between medication management processes and the context that is relevant to error generation, interception and transmission, agent-based methods represent task interactions. Capturing the patterns of failure within an accident model will facilitate an evidence-based approach to hazard analysis and design of e-PS features to improve patient safety. The model will have broad potential to guide the design, implementation and regulation of e-PS.

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