Transfusion consideration for the Fetus/newborn Flashcards
Fetus
unborn
relies on mother
placenta and cord
diff to collect speimen
Newborn
infant - 4mos
ab developing
no maternal waste
heel/cord blood
What do you do on Rh negative babies
only forwards type, weak D test
Types of HDFN by blood groups
ABO
ABO most common
O mom A,B baby
least severe
HDFN
Rh (D)
least common most severe
Other HDFN causes
K + c common
Hydrops Fetalis
fetal death around?
fetal screen shows?
hepa
ed
as
eff
Fetal death, 18-20 wks
Fetal screen: senst rbc hemolysis
hepatosplenomegaly
edema, ascities, effusions
severity of disease in utero
ultrasonography
amniosentesis
cordosentises
Kernicterus
> 18mg/dl of bilirubin
jaundice
billirubin in brain
<4 days
1.) phototherapy
2.) IVIG
3.) exchange transusion double vol
Selecting for blood for transfusion
O, AB compatitble Rh negative
rbcs <7 days
CMV negative/ LRBCS
irradiated
PLT selections
<50,000
FFP
Blood vol and babies
cant tolerate?
what is required?
suscept?
toxicity?
cannot tolerate >10% blood loss
blood warmers required
susc to graft vs host
Toxicity: K+, Ca+, H
ECMO
increased CO2
cardiac surgery revocery, aspiration syndrome
1-2 units + 1FFP
Polycythemia
HCT >65% too viscus
whole blood
Cordblood workup = type/screen