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Related Concept Videos

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

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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.
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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 Typing01:10

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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.
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The ABO Blood Group01:12

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Rhnull: a rare blood group phenotype.

Adnan Qureshi1, Muhammad Salman, Bushra Moiz

  • 1Aga Khan University Hospital, Karachi.

JPMA. the Journal of the Pakistan Medical Association
|March 8, 2011
PubMed
Summary
This summary is machine-generated.

Rhnull blood group, lacking all Rh antigens, presents a rare case in a pregnant female. Early detection during antenatal screening is crucial for managing potential complications like hemolytic anemia.

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Area of Science:

  • Hematology
  • Genetics
  • Immunology

Background:

  • The Rhnull blood group phenotype is exceptionally rare, defined by the absence of all Rh antigens on red blood cells.
  • It is genetically classified into regulator and amorph types, stemming from distinct genetic defects.
  • Individuals with Rhnull blood group are susceptible to Rhnull syndrome, characterized by stomatocytosis and chronic hemolytic anemia.

Observation:

  • A case of the rare Rhnull phenotype was identified in a young pregnant woman.
  • The detection occurred during routine antenatal screening for red blood cell antibodies.
  • This highlights the importance of comprehensive blood group analysis in pregnant individuals.

Findings:

  • The patient presented with the Rhnull phenotype, a critical finding in transfusion medicine.
  • The presence of Rhnull phenotype necessitates careful management due to potential hemolytic complications.
  • This case underscores the significance of identifying rare blood group phenotypes during pregnancy.

Implications:

  • Early identification of Rhnull phenotype in pregnant women is vital for preventing alloimmunization and managing hemolytic disease of the fetus and newborn.
  • Transfusion management for Rhnull individuals requires access to compatible blood, often necessitating specialized donor registries.
  • This case emphasizes the need for continued vigilance and advanced blood group genotyping in antenatal care, particularly in diverse populations.