| Optimal timing of joint replacement using mathematical programming and stochastic programming models. | |
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MedLine Citation:
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PMID: 21748424 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The optimal timing for performing radical medical procedures as joint (e.g., hip) replacement must be seriously considered. In this paper we show that under deterministic assumptions the optimal timing for joint replacement is a solution of a mathematical programming problem, and under stochastic assumptions the optimal timing can be formulated as a stochastic programming problem. We formulate deterministic and stochastic models that can serve as decision support tools. The results show that the benefit from joint replacement surgery is heavily dependent on timing. Moreover, for a special case where the patient's remaining life is normally distributed along with a normally distributed survival of the new joint, the expected benefit function from surgery is completely solved. This enables practitioners to draw the expected benefit graph, to find the optimal timing, to evaluate the benefit for each patient, to set priorities among patients and to decide if joint replacement should be performed and when. |
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Authors:
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Baruch Keren; Joseph S Pliskin |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-12 |
Journal Detail:
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Title: Health care management science Volume: - ISSN: 1386-9620 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9815649 Medline TA: Health Care Manag Sci Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Industrial Engineering and Management, SCE-Shamoon College of Engineering, Bialik/Basel Sts., Beer Sheva, 84100, Israel, baruchke@sce.ac.il. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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