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相关概念视频

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro10:25

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro

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Platelet transfusion and hemostasis was modeled using blood reconstitution and microfluidic flow chambers to investigate the function of blood banking platelets. The data demonstrate the consequences of platelet storage lesion on hemostasis, in vitro.
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Blood Transfusion01:15

Blood Transfusion

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Blood transfusion is a critical medical procedure that saves lives and treats various medical conditions. It involves transferring blood from a donor to a recipient. This process requires a thorough understanding of the ABO blood group system and its associated antigens and antibodies.
Blood Transfusion Overview
A blood transfusion is a medical procedure used to replace blood lost due to injury, surgery, or to treat conditions such as anemia or cancer. During a transfusion, donor blood is...
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Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

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Blood transfusion is a therapeutic measure to restore the blood volume after extensive blood loss due to an accident or a medical procedure. Blood transfusion involves drawing a certain amount of blood from a suitable donor and infusing it into the recipient.
History
The history of blood transfusion dates back to the 17th century, when early attempts were made in animals. In 1818 James Blundell, a British doctor, performed the first successful human blood transfusion. Later in 1900, Karl...
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Prediction of Red Blood Cell Antibody Significance Using the Monocyte-Macrophage Assay11:27

Prediction of Red Blood Cell Antibody Significance Using the Monocyte-Macrophage Assay

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We have developed enhancements and updated methods for the existing monocyte-monolayer assay (MMA), in which macrophages are used to help better predict the clinical relevance of red cell alloantibodies in transfusion medicine and immunology. This assay is named the monocyte-macrophage assay...
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Blood Pressure01:24

Blood Pressure

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The movement of blood in a human body, commonly referred to as blood flow, is determined by the volume of blood that traverses a certain section of the bodily system per unit time. It is the rhythmic contraction of the heart's ventricles that primarily instigates this movement. As the ventricles contract, blood is forced into the prominent arteries, which then flow from areas of greater pressure to lower pressure areas. This movement continues into smaller arteries and arterioles and...
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Blood Pressure01:30

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Blood pressure (BP) is the pressure or force of blood exerted on the artery's walls as it circulates through the body. It is essential for maintaining blood flow throughout the body.
The average BP in an adult is typically around 120/80 mmHg (millimeters of mercury). In this measurement, the numerator (120) indicates the systolic pressure, which is the pressure in the arteries during the contraction of the heart's ventricles as blood is expelled. The denominator (80) represents the...
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相关实验视频

Updated: Jan 20, 2026

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro
10:25

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro

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血液输血期间血压预测:一个人口知情的多模式顺序推理方法.

Yi-Ming Kao1, Parham Razaei2, Sina Masoumi Shahrbabak1

  • 1Mechanical Engineering at University of Maryland, College Park, MD 20742, USA and Emergency Medicine at Massachusetts General Hospital, Boston, MA 02115, USA.

IEEE control systems letters
|January 19, 2026
PubMed
概括
此摘要是机器生成的。

现在可以预测输血期间的血压 (BP) 反应. 一种新方法使用患者生理学和出血数据来预测血压,提高输血安全.

关键词:
血压 血压 血压 血压输血 输血 输血 输血 输血扩展的卡尔曼过器梯度估计器的梯度估计器发生出血 发生出血人口知情的推断推断.预测 预测 预测 预测

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Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro
10:25

Microfluidic Flow Chambers Using Reconstituted Blood to Model Hemostasis and Platelet Transfusion In Vitro

Published on: March 19, 2016

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Prediction of Red Blood Cell Antibody Significance Using the Monocyte-Macrophage Assay
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科学领域:

  • 生物医学工程 生物医学工程
  • 生理学建模 生理学建模
  • 医疗技术 医疗技术 医学技术

背景情况:

  • 在输血期间,有效的血压管理至关重要.
  • 目前的技术缺乏预测输血对血压反应的能力.
  • 重要的挑战包括患者的变化,未知的出血和复杂的生理状态.

研究的目的:

  • 开发和测试一种用于出血和输血场景的新型血压预测方法.
  • 为了解决在输血期间管理BP的现有技术的局限性.
  • 为了推断患者特定的生理状态和出血水平.

主要方法:

  • 开发了一种支持多模式顺序推理的BP预测方法.
  • 利用了患者生理学的数学模型,以人口为基础的先验.
  • 推断患者特定的生理状态和实时出血.

主要成果:

  • 在大动物模型中成功预测出血和输血期间的平均动脉血压.
  • 获得的绝对误差中位数为5分钟的3.1mmHg和15分钟BP预测的7.4mmHg.
  • 检测到所有出血事件的中位延迟为<3.5分钟,F1得分为85%.

结论:

  • 在输血期间预测血压反应是可行的,即使同时有未知的出血.
  • 开发的方法准确地预测血压,并推断出关键的生理参数.
  • 这项技术有可能在输血期间提高患者的安全性.