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相关概念视频

Structure and Function of Platelets01:18

Structure and Function of Platelets

876
The cell fragments known as platelets are disc-shaped, with an average diameter of about 3 μm and a thickness of roughly 1 μm. They play a crucial role in the body's vascular clotting system, which also involves plasma proteins, blood cells, and blood vessel tissues.
Platelets are continually replenished, circulating in the bloodstream for 9-12 days before being removed by phagocytes, primarily in the spleen. A microliter of circulating blood contains between 150,000 and 450,000...
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Formation of the Platelet Plug01:22

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The platelet phase, the second stage of hemostasis, commences around 15-20 seconds after an injury. It follows and overlaps with the vascular phase, during which blood vessels constrict to minimize blood loss.
As the injured blood vessel contracts, endothelial cells undergo contraction, revealing collagen fibers in the basement membrane and underlying connective tissue. Furthermore, the plasma membrane of endothelial cells becomes adhesive, preparing the site for platelet adhesion. Platelets...
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Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

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Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
Prostaglandin synthesis inhibitors, exemplified by the widely known aspirin, wield their power by irreversibly acetylating...
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相关实验视频

Updated: May 8, 2025

Routine Screening Method for Microparticles in Platelet Transfusions
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血小板库存管理:纳入数据驱动的需求预测.

Maryam Motamedi1, Jessica Dawson1, Na Li1,2,3

  • 1Department of Computing and Software, McMaster University, Hamilton, L8S 4L8, Ontario, Canada.

Health care management science
|May 2, 2025
PubMed
概括

这项研究引入了一个数据驱动的模型来管理血小板库存,旨在减少短缺和浪费. 调查结果显示,结合需求预测可以改善库存管理,即使有预测错误.

关键词:
基准股票 基本股票 基本股票数据驱动优化的优化.预测 预测 预测 预测卫生服务 卫生服务 卫生服务库存管理库存管理运营管理是运营管理.运营研究 运营研究血小板库存管理的管理

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科学领域:

  • 运营研究 运营研究
  • 医疗保健管理的管理
  • 供应链优化 供应链优化

背景情况:

  • 血小板产品对于治疗癌症等严重疾病至关重要,但由于保质期短,价格昂贵.
  • 管理血小板库存是具有挑战性的,因为需求不确定和高度可变.
  • 目前的库存管理策略很难有效地平衡减少短缺和浪费.

研究的目的:

  • 为血小板产品开发和评估数据驱动的库存管理模型.
  • 将需求预测纳入库存管理,以优化订单政策.
  • 为了尽量减少血小板短缺和输血系统中的浪费.

主要方法:

  • 开发了一种新的库存管理模型,利用对血小板产品的需求预测.
  • 员工预测依赖的目标库存水平以指导订单政策.
  • 利用了2016-2018年每日血小板输血的大型临床数据集,用于为四家医院提供服务的集中血液分发中心.

主要成果:

  • 拟议的数据驱动政策有效地减少了血小板产品的短缺和浪费.
  • 该模型表现出弹性,随着系统规模的增加 (例如,通过需求聚合和库存聚合),可以容忍更大的预测错误.
  • 灵敏度分析证实了该模型的稳定性,并表明不太频繁而不是每天订单的可行性.

结论:

  • 将需求预测纳入库存管理可以显著提高血小板产品供应链效率.
  • 开发的模型提供了一个切实可行的解决方案,以减少与血小板浪费和短缺相关的成本.
  • 这种方法支持更可持续和可靠的输血服务.