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Medical Decision Making
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Decision-theoretic Refinement Planning in Medical Decision Making

Management of Acute Deep Venous Thrombosis

Peter Haddawy, PhD

Anhai Doan, MS

Charles E. Kahn, JR, MD

Decision-theoretic refinement planning is a new technique for finding optimal courses of action. The authors sought to determine whether this technique could identify optimal strategies for medical diagnosis and therapy. An existing model of acute deep venous thrombosis of the lower extremities was encoded for analysis by the decision-theoretic refinement planning system (DRIPS). The encoding represented 6,206 possible plans. The DRIPS planner used artificial intelligence techniques to elimmate 5,150 plans (83%) from consideration without examining them explicitly. The DRIPS system identified the five strategies that minimized cost and mortality. The authors conclude that decision- theoretic planning is useful for examining large medical-decision problems. Key words: decision-theoretic refinement planning; diagnosis; treatment; DRIPS ; acute deep venous thrombosis ; artificial intelligence. (Med Decis Making 1996;16:315-325)

Medical Decision Making, Vol. 16, No. 4, 315-325 (1996)
DOI: 10.1177/0272989X9601600402
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B. E. Hillner
Decision-theoretic Refinement Planning
Med Decis Making, October 1, 1996; 16(4): 419 - 420.
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