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exchange transfusion

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
transfusion /trans·fu·sion/ (-fu´zhun) the introduction of whole blood or blood components directly into the bloodstream.
direct transfusion  immediate t.
exchange transfusion  repetitive withdrawal of small amounts of blood and replacement with donor blood, until a large proportion of the original volume has been replaced.
immediate transfusion  transfer of blood directly from a vessel of the donor to a vessel of the recipient.
indirect transfusion , mediate transfusion introduction of blood which has been stored in a suitable container after withdrawal from the donor.
placental transfusion  return to an infant after birth, through the intact umbilical cord, of the blood contained in the placenta.
replacement transfusion , substitution transfusion exchange t.
twin-to-twin transfusion  an intrauterine abnormality of fetal circulation in monozygotic twins, in which blood is shunted directly from one twin to the other.

exchange transfusion
n.
The removal of most of a patient's blood followed by introduction of an equal amount from donors. Also called substitution transfusion, total transfusion.

exchange transfusion
see exchange transfusion.

exchange transfusion
Neonatology A therapeutic procedure for reducing immunotoxins in the neonate by administration of compatible packed RBCs Indications HDN–due to maternal IgG antibodies against fetal antigens; neonatal hyperbilirubinemia, due to RBC and bilirubin metabolic defects Complications Thrombocytopenia, iron deficiency, HBV–rare, HIV–very rare


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Individuals who have among the highest exposures to DEHP are those undergoing medical treatments or procedures such as dialysis, exchange transfusion, ECMO, and cardiovascular surgery.
Anecdotal data and extrapolation from the literature about treatment of malaria suggest that exchange transfusion may be beneficial for some critically ill patients, especially for those with signs of hemodynamic instability or high parasitemia levels (e.
In an exchange transfusion, a portion of the patient's defective circulating red cell mass is removed and replaced with normal donor red cells, so that the amount of transfused iron can be significantly reduced.
 
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