HEMAPHERESIS DONOR SELECTION in blood banking.ppt

purpose of hemapheresis

1. HEMAPHERESIS DONOR SELECTION

2. Hemapheresis
Typeofblooddonationwherewholebloodis
withdrawneitherfromadonororpatient
whereinafterremoval,separationand
retentionofthedesiredcellularelementsor
plasma,theremainingproductsare
recombinedandreturnedtothedonoror
patient

3. Forms of apheresis
Plasmapheresis
leukapheresis or leukopheresis
lymphopheresis or lymphapheresis
erythropheresis
Apheresis is used as a treatment for many
diseases and conditions.

4. Donor Guidelines
At least 48 hours is the elapsed time after hemapheresis donation
A donor must not exceed more than 2 times in a week or 24 times
in a year unless otherwise allowed by blood bank physician
A donor must be tested to detect cytopenia
If a donor donates whole blood, at least 8 weeks must be elapsed
before he can donate for pheresis
Extracorporeal blood must not exceed 15% of the donor’s total
blood volume
If platelet pheresis is to be performed a donor must have above
150 x 109 /L platelet count
Possible adverse reactions to HES, steroids and/or heparin must be
determined and carefully evaluated.

5. Autologous Donor Selection
CRITERIA:
Noagelimit
Nostrictweightrequirements
Hemoglobin/Hematocrit
Frequency:donationsshouldnotbemore
frequentthanevery3daysandthefinal
donationmustbecompletedatleast3days
priortothescheduledsurgicalprocedure

6. Types of Autologous Donations/Transfusions
Predeposit donation
Bloodisdrawn
sometimebeforethe
anticipatedtransfusion
andstored,usually
liquidbutoccasionally
frozen
Intraoperative/peri-
operative autolgous
tranx
Bloodiscollected
duringthesurgical
procedureandusually
reinfusedimmediately

7. Types of Autologous Donations/Transfusions
Immediate pre-operative
hemodilution
Takesplaceinthe
operatingroomwhen1-3
unitsofWBarecollected
andthepatient’svolumeis
replacedwithcolloidor
crystalloid.Bloodis
reinfusedduringthe
surgicalprocedure
Post-operative salvage
Adrainagetubeis
placedinthesurgical
siteandpost-operative
bleedingissalvaged,
cleanedandreinfused.

8. That’s All Folks!
Thank You for Listening!