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QUERI Implementation Research

Systems Dynamics Model Session


by Kristen Hassmiller Lich, Ph.D.
Seminar date: 1/25/2011

Description: The problem. In the years since the Stroke QUERI was established, a wide variety of initiatives have been implemented. However, several factors present a substantial challenge to the Stroke QUERI in achieving its mission, challenges which indeed are common to most of the QUERI programs. These include: (1) Limited resources. QUERI funding does not cover development and evaluation of policies and clinical interventions. Furthermore, mistakes in strategic direction are costly. (2) Numerous policy options. It is difficult to develop a single strategic plan from the large and diverse evidence on stroke. (3) Multiple stakeholders, multiple visions. When dealing with complex problems, stakeholders often operate from conventional and often narrowly focused ‘wisdom’ about how to improve systems of care that all limit their ability to see new ways of operating. (4) Absence of a forum for integration. Multiple stakeholders are keys to successful and sustainable implementation. There is a lack of existing linking structures in which key participants can come together to make change happen. Our solution. The goal of this RRP is to use System Dynamics methodology to map and simulate the stroke care system in the VA. The rationale for investing in the development of this simulation model was to use it as an ongoing decision support tool to assist the Stroke QUERI in prioritizing its activities. The model was developed with input from system stakeholders, and was used in an August 2010 workshop among a diverse group of system experts to help the QUERI identify the areas of focus that are most likely to have the biggest impact on key stroke outcomes in the VA user population. Cyber seminar agenda. This cyber seminar will be the first in a two-part series describing our work. In this first session, we will introduce System Dynamics methods and describe why we believe they are valuable in this context. We will share the resulting model, and describe the process of constructing it. We will also share current results to illustrate what analysis of such a model looks like. The second part of this presentation will be scheduled in the spring, and will be a more-interactive discussion of how these tools should be used to support the development, implementation, and evaluation of real-world interventions. Presenters: Kristen Hassmiller Lich PhD and Chris Beadles MD Additional members of the project team: Hayden B. Bosworth PhD, Linda Williams MD, Dawn Bravata MD, Amy Kaufman MSW, Eric Cheng MD, David Matchar MD

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