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In Search of Tools to Aid Logical Thinking and Communicating about Medical Decision Making

Department of Radiology and the Department of Epidemiology and Biostatistics, Erasmus University Medical Center, Rotterdam, the Netherlands; and the Department of Health Policy and Management, Harvard School of Public Health, Boston, Massachusetts

To have real-time impact on medical decision making, decision analysts need a wide variety of tools to aid logical thinking and communication. Decision models provide a formal framework to integrate evidence and values, but they are commonly perceived as complex and difficult to understand by those unfamiliar with the methods, especially in the context of clinical decision making. The theory of constraints, introduced by Eliyahu Goldratt in the business world, provides a set of tools for logical thinking and communication that could potentially be useful in medical decision making. The author used the concept of a conflict resolution diagram to analyze the decision to perform carotid endarterectomy prior to coronary artery bypass grafting in a patient with both symptomatic coronary and asymptomatic carotid artery disease. The method enabled clinicians to visualize and analyze the issues, identify and discuss the underlying assumptions, search for the best available evidence, and use the evidence to make a well-founded decision. The method also facilitated communication among those involved in the care of the patient. Techniques from fields other than decision analysis can potentially expand the repertoire of tools available to support medical decision making and to facilitate communication in decision consults.

Key Words: medical decision making • theory of constraints • communication

Medical Decision Making, Vol. 21, No. 4, 267-277 (2001)
DOI: 10.1177/0272989X0102100402


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