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Related Concept Videos

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...
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...
Sexually Transmitted Infections01:26

Sexually Transmitted Infections

Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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,...
Rh Blood Group01:19

Rh Blood Group

The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.
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 13, 2026

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
13:55

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates

Published on: January 27, 2019

[Syphilis and blood transfusion].

Pål A Jenum1, Øystein Flesland, Hans Blystad

  • 1Seksjon for medisinsk mikrobiologi, Laboratoriesenteret, Sykehuset Asker og Baerum, Postboks 83, 1309 Rud, Norway. pal.jenum@vestreviken.no

Tidsskrift for Den Norske Laegeforening : Tidsskrift for Praktisk Medicin, Ny Raekke
|April 27, 2010
PubMed
Summary

The risk of transmitting syphilis through blood transfusions in Norway is low. Routine testing of new blood donors is recommended over universal syphilis screening due to low prevalence and pathogen die-off.

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

Published on: March 14, 2017

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Last Updated: Jun 13, 2026

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
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Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload
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Continuous Manual Exchange Transfusion for Patients with Sickle Cell Disease: An Efficient Method to Avoid Iron Overload

Published on: March 14, 2017

Area of Science:

  • Infectious Diseases
  • Public Health
  • Transfusion Medicine

Background:

  • A syphilis infection was identified in a long-term blood donor in Norway in 2007.
  • This incident prompted an expert group evaluation of transfusion-transmitted syphilis risks.

Purpose of the Study:

  • To assess the risk of syphilis transmission via blood products in Norway.
  • To evaluate current blood donation screening practices for syphilis.

Main Methods:

  • Expert group review of syphilis epidemiology and bacterium properties.
  • Analysis of the specific donor incident and blood recipient outcomes.
  • Evaluation of blood storage conditions and syphilis survival rates.

Main Results:

  • Of 54 recipients, 18 tested (86%) showed no syphilis.
  • Hospital records of 11 deceased recipients revealed no signs of syphilis infection.

Conclusions:

  • Transfusion-transmitted syphilis risk is low due to low population prevalence and donor screening.
  • Syphilis bacteria have limited survival in stored blood products.
  • Continued routine testing of new donors, not universal screening, is recommended.