Blood Donation Flashcards
What are the regulations for donating blood
Donors >18 in good health >110lbs
Donors 1 unit every 8wk and 6 donations / year
What is donor blood tested for
- ABO Rh
- Antibody screen
- HBV and HCV
- HIV 1 and 2
- HTLV 1 and 2
- Zika
- Syphilis
- COVID-19 antibodies
When would autologous blood donation be used
Patients undergoing elective surgery in which blood may be needed use pre admission autologous blood banking
*units of blood can be held up to 35 days
What are the guidelines for autologous banking
- Good health
- Weight at least 110lbs
- HgB>11
- Arm veins that can accommodate a 16 gauge needle
How many times can a person do autologous blood donation
Donate up to 1 unit every 3-7 days
*iron supplements given before and several months after (325mg)
What is donor directed (blood donation)
Relative or friend can donate blood for a specific patient
*not used in the emergency setting
*takes 48 hours to process the blood for use
How is donor directed blood stored as?
PRBC
*released into the general transfusion pool 8 hours after surgery unless otherwise requested
What are the drawbacks of donor directed blood
- Relatives may feel pressured to give blood
- Routine donation of blood for emergency transfusion may be adversely affected
What disease can be minimized through the use of irradiated blood components
Transfusion associated graft versus host disease (GVHD)
What patients are at risk of GVHD
- Recipients of donor-directed units or HLA-matched platelets
- Fetuses receiving intrauterine transfusion
- Immunocompromised
- Bone marrow recipients
What is apheresis
Procedures used to collect single-donor platelets (plateletpheresis) or WBC (leukapheresis)
What is therapeutic apheresis
The separation and removal of a particular component to achieve a therapeutic effect
