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Blood Transfusion01:15

Blood Transfusion

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...
Blood Transfusion and Agglutination02:45

Blood Transfusion and Agglutination

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...
Characteristics and Functions of Blood01:26

Characteristics and Functions of Blood

Blood is specialized connective tissue comprising about 8% of the body mass. It has a thick, liquid extracellular matrix that contains cells, dissolved proteins, and electrolytes, making it five times more viscous than water. Blood is warm, around 38°C, and has an alkaline pH ranging from 7.35 to 7.45.
The primary function of blood is to transport oxygen and carbon dioxide between tissues and the lungs. Oxygenated blood is bright red, while oxygen-depleted blood is darker. It also carries...
Bone Marrow Sampling and Transplants01:22

Bone Marrow Sampling and Transplants

Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...
Blood Typing01:10

Blood Typing

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 antigens A,...
Blood Types02:20

Blood Types

Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...

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Related Experiment Video

Updated: Jun 24, 2026

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
05:23

Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload

Published on: March 14, 2017

The ideal blood substitute.

A Gerson Greenburg1

  • 1Biopure Corporation, Cambridge, MA 02141, USA.

Critical Care Clinics
|April 4, 2009
PubMed
Summary
This summary is machine-generated.

Developing a red cell substitute is crucial for bridging blood transfusion needs. Current hemoglobin-based oxygen carriers are imperfect, highlighting the need for comprehensive blood replacement solutions.

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Area of Science:

  • Biomedical Engineering
  • Hematology
  • Transfusion Medicine

Background:

  • A persistent demand exists for effective red cell substitutes.
  • These substitutes are primarily intended as temporary solutions until red blood cells become available.
  • Current research focuses on hemoglobin-based oxygen carriers, but these present limitations.

Purpose of the Study:

  • To explore the requirements for a comprehensive red cell substitute.
  • To address the limitations of existing oxygen-carrying solutions.
  • To consider the complex biological systems involved in blood.

Main Methods:

  • Review of existing literature on red cell substitutes.
  • Analysis of hemoglobin-based oxygen carrier technologies.
  • Evaluation of immunological and coagulation system requirements.

Main Results:

  • Hemoglobin-based oxygen carriers show promise but are not ideal.
  • A complete blood substitute requires more than just oxygen-carrying capacity.
  • Immune and coagulation factors are critical considerations.

Conclusions:

  • Further research is needed to develop a fully functional red cell substitute.
  • Future formulations must integrate complex biological functions.
  • Addressing immunological and hemostatic aspects is key for a viable blood substitute.