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住院和门诊手术的多目标随机调度
Ambrogio Maria Bernardelli1, Lorenzo Bonasera1, Davide Duma1
1Dipartimento di Matematica "Felice Casorati", Università degli Studi di Pavia, via Adolfo Ferrata, 5, 27100 Pavia, Italy.
概括
这项研究引入了一种新的双相随机优化方法,用于手术室安排,平衡住院患者,门诊患者和紧急情况. 该方法通过解决诸如手术持续时间和急诊到达等不确定性的问题,提高了时间表的稳定性和平均绩效.
科学领域:
- 运营研究 运营研究
- 医疗保健管理的管理
- 优化外科手术工作流程的优化
背景情况:
- 手术临床途径已经发展,增加了门诊手术.
- 当住院患者和门诊患者由于不同的可变性和偏好而共享资源时,手术室 (OR) 调度是复杂的.
- 手术持续时间的不确定性,紧急抵达和患者不出现进一步复杂化了OR调度.
研究的目的:
- 开发用于OR调度的随机优化方法,以适应住院患者,门诊患者和紧急情况.
- 解决手术安排中固有的多重目标和不确定性.
- 为各种患者组合提供平衡计划稳定性和平均表现的见解.
主要方法:
- 采用了一种两相随机优化方法.
- 机会受约束整数编程 (CCIP) 用于提前调度.
- 随机混合整数编程 (SMIP) 和用于分配调度的遗传算法,解决大型实例的计算挑战.
- 定量分析,以评估时间表稳定性和平均绩效之间的权衡.
主要成果:
- 提出的方法有效地处理了手术持续时间,紧急病人的到来和没有出现的不确定性.
- 一个遗传算法被证明是有效的序列和时间程序在分配计划.
- 分析揭示了基于患者组合的时间表稳定性和平均表现之间的权衡.
结论:
- 双相随机优化方法为涉及混合患者类型和不确定性的复杂OR调度场景提供了强大的框架.
- 这些发现为医疗保健管理人员提供了实际指导,以优化OR利用率和患者流量.
- 该研究强调了在设计OR计划时考虑患者组合的重要性,以实现所需的绩效结果.
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