Donors and Blood Collection Flashcards
(42 cards)
What is the shelf life of blood
35 days
What percentage of people need a transfusion in their lifetime?
1 in 4 will need a transfusion
How many donations does the IBTS need a year?
150,000
Where can you donate blood in Ireland?
(2)
Dublin of d’Olier Street (blood) and IBTS (platelets), Bloodmobile
Ardee, Carlow, Cork, Limerick, Tuam
How many patients need a blood transfusion a year?
70,000
How many donations are needed a week?
3,000
How many people are currently active donors?
1 in 450 members
Do we pay our donors?
Not in Ireland except for plasma donors
Otherwise it’s volunteers
How do we maintain adequate blood donations
(2)
This relies on the promotion of the concept of donation using the public
To combat negative publicity and reduced donor numbers is a major task now for many Transfusion Services
Why don’t we use our own plasma in Ireland
Due to variant CJD
We don’t have a test to detect this
We are starting to use our own plasma now for those undergoing cornea transplant as its been 20 years since CJD
What do we do with our plasma if we don’t use it?
It’s donated for research purposes
Where do we get out plasma
We buy it in -> Octoplas
What is aphoresis
Patient donates their platelets but the red cells and plasma are given pack
What is pooled platelets
Four buffy coats of same ABO blood group pooled together
What are the different types of donor?
(6)
Homologous donation: volunteer
Paid
Autologous donation
Direct donor
Apheresis
Therapeutic
Replacement
What is a homologous donation?
(3)
A volunteer donating a single unit for the benefit of others
Most common type of blood donation
Donated blood is for general use -> not reserved for any individual patient
How often can you donate blood?
Every 90 days
What is meant by paid donors?
Usually paid by Commercial Companies - donors are paid in America usually in vouchers etc
What is an autologous donation?
(4)
Donor who is also the proposed recipient
A patient can be transfused with his or her own blood
Collected and stored in advance of a planned operation
i.e. hip replacement, plastic surgery etc
What is a direct donor?
(5)
Donation whereby a friend or family is nominated
Blood provided by a patient’s relatives or friends
Does not reduce the risk of viral transmission
Can be less safe than Homologous Donation
e.g. Transfuse mother’s platelets to her baby
What is an apheresis donor?
(4)
The provision of large amount of a specific component of blood
Blood is drawn from donor into centrifuge
Separates blood - red cells, platelets, white cells, plasma
The required component - platelets, white cells, plasma are then drawn into a collection bag
How often can you donate platelets
Plateletpheresis donors can donate platelets every 28 days
What is a therapeutic donation?
Whereby a haemochromatosis patient requires a transfusion to remove excess iron
What is replacement donation?
Developing world where there is no structure blood donation and supple system of blood banks
Patients bring family members friends, village people to donate them