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Blood Flow01:29

Blood Flow

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Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.
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Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

15.7K
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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Blood Typing01:10

Blood Typing

4.2K
Understanding an individual's blood group is a critical component of transfusion medicine. It ensures compatibility in blood transfusions, organ transplants, and even during pregnancy. Determining these blood groups involves the ABO and Rh blood typing systems, utilizing specific antigens and corresponding anti-sera to identify an individual's blood type.
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target...
4.2K
Blood Transfusion01:15

Blood Transfusion

3.0K
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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Hemodialysis I: Introduction01:25

Hemodialysis I: Introduction

3.2K
Hemodialysis (HD) is a medical treatment that artificially removes waste products, excess fluids, and toxins from the blood when the kidneys are no longer able to perform these functions effectively. In this process, blood is filtered through a semipermeable membrane, allowing for the selective removal of waste while preserving necessary components like blood cells and proteins. Hemodialysis is typically performed in patients with end-stage renal disease (ESRD) or severe kidney...
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Updated: Apr 3, 2026

Ex Situ Normothermic Machine Perfusion of Donor Livers
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Ex Situ Normothermic Machine Perfusion of Donor Livers

Published on: May 26, 2015

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人工血液は人工血液である.

Jerry E Squires1

  • 1American Red Cross Biomedical Services, Arlington, VA 22307, USA. squiresj@usa.redcross.org

Science (New York, N.Y.)
|February 9, 2002
PubMed
まとめ
この要約は機械生成です。

血液の代替品は,緊急事態や手術の際に輸血のためにドナーの血液の代替品として開発されています. これらの革新的な血液代用品の最初の世代の臨床試験が現在進行中です.

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科学分野:

  • バイオメディカルエンジニアリング
  • 血液学 ヘマトロジ
  • 緊急医療 緊急医療

背景:

  • 献血者の血液不足は,医療環境において重大な課題を提起しています.
  • ヒトの輸血に対する安全で効果的な代替手段の必要性は極めて重要です.
  • バイオテクノロジーの進歩により,人工の血液代用品の開発が可能になりました.

研究 の 目的:

  • 血液代用薬の開発状況を要約すると.
  • 輸血医学におけるそれらの潜在的な応用を強調する.
  • 第1世代の血液代用品の進行中の臨床試験について知らせる.

主な方法:

  • 血液代用技術における現在の研究開発のレビュー.
  • 第1世代の製品に関する臨床試験データの分析.
  • 輸血医療に対する潜在的な影響の評価.

主要な成果:

  • 第1世代の血液代用品は,臨床試験段階に達しました.
  • これらの代替品は,緊急および選択輸血の使用において有望であることが示されています.
  • 効果と安全性を最適化するためにさらなる研究が進行中です.

結論:

  • 血の代用品は,輸血医学における重要な進歩を表しています.
  • 臨床試験は,その使用を検証する上で重要なステップです.
  • 広範な適用は,ドナー血液依存を軽減することができます.