Blood Transfusions Flashcards
(15 cards)
How are donor red cells stored?
Stored at 4°C for 35 days
How is donor FFP stored?
Stored at -30°C for 3 years
How is donor platelets stored?
Stored at 22°C for 7 days with agitation
What are the two most common blood types in a population?
O and A
When an individual lacks A or B antigen what happens regarding the corresponding antibody?
The corresponding antibody is
produced in their plasma
What blood type(s) are compatible with O type donor blood?
All blood types (A, B, AB and O)
What blood type(s) are compatible with A type donor blood?
Types A and AB
What blood type(s) are compatible with B type donor blood?
Types B and AB
What blood type(s) are compatible with AB type donor blood?
Only type AB
Give two indications for red cell transfusion?
Symptomatic anaemia Hb<70g/L (80g/L if cardiac disease)
Major bleeding
How should a red cell transfusion begin?
A single unit of red cells should be transfused and the patient reassessed
Give examples of when a platelet transfusion is indicated?
- Prophylaxis in patients with bone marrow
failure and very low platelet counts - Treatment of bleeding in
thrombocytopenic patient - Prophylaxis prior to surgery / procedure
in thrombocytopenic patient
Give examples of when a FFP transfusion is indicated?
- Treatment of bleeding in patient with
coagulopathy (PT ratio >1.5) - Prophylaxis prior to surgery or procedure
in patient with coagulopathy (PT ratio
>1.5) - Management of massive haemorrhage
- Transfuse early in trauma
What is a critical part of the transfusion process to ensure patient safety?
Positive patient identification
How often should a patient’s observations be monitored when receiving a transfusion?
- Observations before blood is commenced
- Observations at 15 minutes
- Observations within an hour of completion
