hemapheresis Flashcards
hemaphresis also known as? which also means?
apheresis
means to SEPARATE or REMOVE
Blood is drawn from the donor and separated to components. The remaining constituents are recombined and returned to the donor. this refers to?
aphresis “hemaphresis”
has therapeutic uses like it removes component in overload cases.
aphresis “hemaphresis”
common method of aphresis “hemaphresis”
centrifugation separation or membrane filtration (occasionally)
The centrifugal force separates the blood to components.
duration of the process and the most common anticoagulant used
Duration: 60-150 mins
Anticoagulant: Adenine-Citrate-Dextrose (ACD)
what is plateletpheresis?
equal to — random platelet concentrations
removal of platelets
6-10 random platelet concentrations (3x10^11)
plateletpheresis
what are the uses?
used to treat patients who have abnormally elevated platelet counts (>1000000 /ul) like in POLYCYTHEMIA VERA
plateletpheresis
donation interval
should not exceed —
2 days
should not exceed twice a week or more than 24 times a year
plateletpheresis - true or false
donors with aspirin containing medications are deferred for 3 days
48 hours
what is leukapheresis?
enumerate the uses of this type of apheresis
removal of granulocytes (leukocytes)
used to treat patients with leukemia
leukapheresis
what is the sedimenting agent that must be given to donors to facilitate collection.
what is the disadvantage of this sedimenting agent?
hydroxyethyl statch
it increases blood volume
leukapheresis
corticosteroids is administered to the donors — hrs — apheresis to?
12-24 hrs BEFORE apheresis to increase the number of circulating granulocytes
what is lymphocytapheresis??
means of producing immunosuppression in conditions like SLE, kidney transplant rejection
erythrocytapheresis is the — of RBCs and it is considered as an —
removal of RBCs
considered as an exchange procedure
erythrocytapheresis
predetermined quantity of red cells are removed from the patients and?
replaced with homologous blood