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Related Concept Videos

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...
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...
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,...
The ABO Blood Group01:12

The ABO Blood Group

The ABO blood group system is a critical element of transfusion medicine, essential for determining blood compatibility in transfusions and organ transplants. It is based on specific antigens, or agglutinogens, present on the surface of red blood cells (RBCs) and corresponding antibodies, or agglutinins, in the blood plasma.
Antigens in the ABO Blood Group System
Antigens are substances that can trigger an immune response, leading to the production of antibodies. In the ABO blood group system,...
Rh Blood Group01:19

Rh Blood Group

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

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ABO blood type and longevity.

Mark E Brecher1, Shauna N Hay

  • 1Department of Pathology, University of North Carolina, Chapel Hill, USA.

American Journal of Clinical Pathology
|December 22, 2010
PubMed
Summary
This summary is machine-generated.

Blood type B is not a marker for longevity. This study found that individuals with blood group B had a higher mortality rate, suggesting it may indicate earlier death in this patient population.

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Area of Science:

  • Medical Science
  • Hematology
  • Epidemiology

Background:

  • Previous observations suggested a potential link between blood type B and longevity.
  • Understanding blood group distribution across different age groups is crucial for public health insights.

Purpose of the Study:

  • To investigate the association between ABO blood types and longevity in a hospital patient population.
  • To determine if blood type B serves as a marker for extended lifespan or increased mortality.

Main Methods:

  • Retrospective review of patient records from hospital deaths in 2004.
  • Determination of ABO blood types for deceased patients and age stratification by decade.
  • Statistical analysis including linear regressions and survival curve comparisons.

Main Results:

  • A statistically significant decline in the percentage of blood group B patients with increasing age was observed (P < .01).
  • Survival analysis revealed a significantly worse survival curve for individuals with blood group B compared to non-B groups (P ≤ .01).
  • No significant survival differences were found among blood groups A, O, and AB.

Conclusions:

  • Blood group B was not associated with longevity in this patient cohort.
  • Findings suggest blood group B may be a marker for earlier mortality rather than longevity.
  • Further research is warranted to explore the biological mechanisms underlying this association.