Donor Selection, phlebotomy and testing (Lect 1) Flashcards
Inventory management
blood is scare and renewable, less than 10% donate, volunteer donors
Prioritization
blood collection process
blood collection process
Donor Selection: regsitration, ID, education
Determine eligebility: Health history, mini physical
Collection: phlebotomy, post care
Selection: Donor ID
Date of last donations
WB
Double rbc
plts
plasma
Photo ID check >16yrs
(school ID, passport, ID..ect)
Date of last donation
WB: 56 days
Double rbcs: 112 days (3 a year)
PLTS: 7 days, (24 a year)
Plasma: 28 days (13 a year)
Deferral status
should be checked against a record of all perm deerral donors
consent to donate
Mini physical
allogenic H/H male vs female
Autologous
Temp
BP
Pulse
Weight
general appearance
Anemia:
Allogenic H/H >12.5g/dl or 38% F
>13g/dl Males
Autologous: H/H >11g/dl or >33%
Temp not over 27.5-99.5
BP: <180/100
pulse: 50-100
Weight >110lbs
MAX 10.5kg/ml
Eligibility Donor History Questionare DHQ
used to?
meds/vacc
i/b
b
c
c
b
Used to protect donor and recipient
medication lists/vaccines
Infectious diseases - blood parasites (malaria)
Bacterial viruses (zika)
Cardiac strain
coag
birth defects
Travel restrictions
malaria endemic regions deferred 1-3yrs
Bebesia year round NAT testing
Ruling out infectious agents
Qs only
donor test only
Qs/testing
Testing blood
Testing negative blood
questions only - malaria, prions, ebola
Donor test only - WNV, Chagas
Q’s/testing - HIV,HBV.HCV, zika, bebeisa, syphilis
Test blood - bacterial
Test negative blood - CMV
Phlebotomy
Vasovageal rxn
hyperventilation
Hypotensive shock
cannot exceed 15 min
Vasovagal rxn: most common primary sign is brachycarida
Hyperventilation: common 1st time donors
Hypotensive shock: uncommon, primary sign tachycardia
Allogenic decisions
genetically non related donor must adhere to strict collection standards
Autologous decision
self donation
TACO
transfusion associated circulatory overload
Directed decisions
family/friends donoate for specific recipients, mostly for rare genetic traits
low risk allo
Adjusting the anticoag for low volumes
rare donors accepted under 110llbs
63ml is std anticoag in 450ml
Temporary deferral
donor umable to donate due to current health or risk of infection
2wks to 3 yrs
Indefinite deferral
not determined when donor can be re-entered into pool
Permanent deferral
donor will never be able to donate due to test or questions
deferral time
Today
because of potential bacterial contam or donor health
deferral time
48 hrs
aspirin for plts
deferral time
2wks
vaccines (live attenuated/abx)
deferral time
6wks
pregnancy
deferral time
8wks
donation time frame
deferral time
3 mos
risky behavior, STD treated, tranfusion
deferral time
12mos
incarceration
deferral time
2yrs
postivie bebesia NAT
