Who can donate blood? Donation criteria and factors that affect them
In this article, learn more about donating blood, including facts, statistics, and what to expect. Blood donation is a very important part of healthcare. Doctors around the world use blood transfusions to save lives. Other research has found people with type AB blood might be at anincreased risk for cognitive impairmentwhen compared to people with type O. Cognitive impairment includes things like trouble remembering, focusing or making decisions.
This discovery changed the world of blood donation and affects us even today. Ideally, the blood samples will hit it off like old friends. If they mix well and settle in for a card game and a beer, all is well. On the other hand, if they start throwing punches, It’s time to go back to the drawing board . If incompatible blood is transfused from one person to another, the reactions can be anything from anaphylactic shock to bleeding disorders. Besides the ABO typing system, there are other proteins in the blood that can affect compatibility between a donor and a recipient.
The risk of reaction is much lower in ongoing blood loss situations and O positive is more available than O negative. Those with O positive blood can only receive transfusions from O positive or O negative blood types. B positive red blood cells can be given to both B positive and AB positive patients.
Can a+ donate to O+?
If not, a person will have to wait 3 months before donating blood. 1%People with type AB blood can donate to type AB only, but they can receive blood donations from any type. Giving the "right" type of blood donation – based on your blood type and patient needs – helps ensure the best use of your valuable contribution. Here are some things to consider when determining how you can have the most impact. Just to muddy the bloody waters a bit more, a positive test is not a good thing, but a negative test is.
- Our inventory fluctuates every day based on patient needs, and we may occasionally ask donors to change their donation type to match our current needs.
- If you somehow lack an antigen that 99.99% are positive for, your blood type is extremely rare.
- If a person has sickle cell, they cannot donate.tuberculosisNot if the tuberculosis is active.Zika virusYes, 120 days after symptoms resolve.
- Type B blood has the Group B antigens and makes antibodies to fight Group A blood.
- This is the rarest blood group in the world, with less than 50 individuals having this blood group.
We’re excited to welcome donors that were previously deferred due to European residency or long-term travel. Food and Drug Administration guidance deferral change, you may now be eligible to donate. In the United States, only 15% of the poplulation has a negative antigen! This means that negatives need to donate more to make up for the need for rh-negative transfusions. You probably know that it has something to do with blood, but what does it really mean? First, you ought to know that "type & cross" is short for type and cross match.
Blood Type Compatibility
Use the interactive graphic below to learn more about matching blood types for transfusions. Donating blood is a great way of saving people’s lives. The criteria for donating blood allow most of the population to donate regularly. Local blood banks have information on how many blood donors they need and how the process of donating works.
The proteins present in type A and type B blood may cause more "blockage" or "thickening" in the veins and arteries, leading to an increased risk of clotting and heart disease. The most common blood types are A+, A–, B+, B–, O+, O–, AB+, and AB–. If you have type AB blood, you are a universal recipient and can receive blood from all donors. You may be deferred from donating blood or platelets if you have lived in or traveled to a malaria-risk country in the past three years.
This process takes out the necessary component from whole blood, sending the rest of the unneeded blood back into the donor’s body. According to the American Cancer Society , doctors often give platelets to people with the same blood type as the donor. However, people can receive platelets of a different blood type than theirs.
This type of donation uses an automated process that separates your red blood cells from the other blood components, and then safely and comfortably returns your plasma … Platelets are not as type specific as red blood cells, meaning that most patients can accept platelets from donors with any blood type, regardless of the patient’s blood type. Since platelets only last for FIVE days, they are always needed by patients. For this reason, we request donors with the blood type of A+, B+, AB+, or AB- to donate platelets if they are eligible or whole blood donation to make the maximum impact for our patients. O negative donors are often called ‘universal donors’ because anyone can receive the red blood cells from their donations.
As you can imagine A positive blood is in high demand, because it is presence in a large percentage of the population. Red Cross urges blood, platelet donations to prevent another blood shortage. An intercultural and semi-confessional reflection on blood donation. According to the AABB, people should wait at least 56 days before donating whole blood again. It is best to check with local blood blanks to see if they need blood donors. The information contained in this article is for educational and informational purposes only and is not intended as health or medical advice.