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Simulation analysis of the consequences of shifting the balance of health care: a system dynamics approach

Taylor, K, Dangerfield, BC and Le Grand, J 2005, 'Simulation analysis of the consequences of shifting the balance of health care: a system dynamics approach' , Journal of Health Services Research and Policy, 10 (4) , pp. 196-202.

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      Abstract

      Objectives: The shift in the balance of health care, bringing services 'closer to home', is a well-established trend. This study sought to provide insight into the consequences of this trend, in particular the stimulation of demand, by exploring the underlying feedback structure. Methods: We constructed a simulation model using the system dynamics method, which is specifically designed for the analysis of feedback structure. The model was calibrated to two cases of the shift in cardiac catheterization services in the UK. Data sources included archival data, observations and interviews with senior health care professionals. Key model outputs were the basic trends displayed by waiting lists, average waiting times, cumulative patient referrals, cumulative patient activity and cumulative overall costs. Results: Demand was stimulated in both cases via several different mechanisms. We revealed the roles for clinical guidelines and capacity changes, and the typical responses to imbalances between supply and demand. Our analysis also demonstrated the potential benefits of changing the goals that drive activity by seeking a waiting list goal rather than a waiting time goal. Conclusions: Appreciating the wider consequences of shifting the balance of care is essential if services are to be improved overall. The underlying feedback mechanisms of both intended and unintended effects need to be understood. Using a systemic approach, more effective policies may be designed through coordinated programmes rather than isolated initiatives, which may have only a limited impact.

      Item Type: Article
      Themes: Subjects / Themes > H Social Sciences > HD Industries. Land use. Labor > HD0028 - 0070 Management. Industrial Management
      Subjects / Themes > H Social Sciences > HA Statistics
      Subjects outside of the University Themes
      Schools: Colleges and Schools > College of Business & Law > Salford Business School > Operations and Global Logistics Management
      Journal or Publication Title: Journal of Health Services Research and Policy
      Publisher: Churchill Livingstone
      Refereed: Yes
      ISSN: 1355-8196
      Depositing User: H Kenna
      Date Deposited: 22 Aug 2007 11:38
      Last Modified: 20 Aug 2013 16:46
      URI: http://usir.salford.ac.uk/id/eprint/290

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