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Analysis of hospital pharmacy inventory consolidation decision using Multi-echelon Newsvendor Inventory Model.

机译：使用多级新闻供应商库存模型分析医院药房库存合并决策。

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摘要

In this research, a pharmacy inventory consolidation model has been studied in a multi-hospital system setting. The objectives of this model are to reduce inventory levels, enhance systematic control over arbitrary demands, and eventually improve patient satisfaction. Optimal inventory levels for pharmaceutical items have been analyzed at different hospital pharmacies and nursing units under different inventory models (i.e., decentralized or centralized inventory model). The degree of pharmacy inventory consolidation has also been discussed in this research based on various cost criteria, demand patterns, and dimensions of hospitals. A Multi-echelon Newsvendor Inventory Model (MNIM) is applied to compare decentralized and centralized inventory distribution models. A greedy heuristic algorithm is developed to find optimal hospital pharmacy inventory levels and central inventory level. The experimental results indicate that a centralized hospital inventory distribution system leads to a lower total inventory cost while maintaining the desired quality of care. It is also noticed that the percentage of cost savings in a pharmacy consolidation model is positively correlated with coefficient of demand variation and the degree of consolidations. The validity and impacts of the pharmacy inventory consolidation model are illustrated through a case study with the support from a major U.S. hospital in the state of New Jersey.
机译：在这项研究中，已经在多医院系统环境中研究了药房库存整合模型。该模型的目标是降低库存水平，增强对任意需求的系统控制，并最终提高患者满意度。在不同的库存模型（即分散式或集中式库存模型）下，已在不同的医院药房和护理单位对药品的最佳库存水平进行了分析。这项研究还根据各种成本标准，需求模式和医院规模对药房库存整合的程度进行了讨论。多级新闻供应商库存模型（MNIM）用于比较分散式和集中式库存分配模型。开发了贪婪启发式算法，以找到最佳的医院药房库存水平和中央库存水平。实验结果表明，集中的医院库存分配系统可降低总库存成本，同时保持所需的护理质量。还应注意的是，药房合并模型中成本节省的百分比与需求变化系数和合并程度呈正相关。在新泽西州一家美国主要医院的支持下，通过案例研究说明了药房库存合并模型的有效性和影响。

著录项

  • 作者

    Shan, Silei.;

  • 作者单位

    State University of New York at Binghamton.;

  • 授予单位 State University of New York at Binghamton.;
  • 学科 Health Sciences Pharmacy.;Operations Research.;Engineering System Science.
  • 学位 M.S.
  • 年度 2010
  • 页码 102 p.
  • 总页数 102
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 水产、渔业;
  • 关键词

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