Blood exchange transfusions in newborns, the effect on serum ionized calcium. 1988

N Nelson, and O Finnström
Department of Pediatrics, University Hospital, Linköping, Sweden.

Serum levels of ionized calcium (CaF) were determined in 35 newborn infants subjected to blood exchange transfusion with citrated blood. Eleven of these were supplemented with calcium injections during and after the transfusion. No symptoms or signs accompanied the extremely low calcium levels noted during the exchange transfusion. Intravenous calcium administration often rendered transitory high serum concentrations of ionized calcium. The lowest and highest calcium levels noted during transfusion were 0.28 and 5.16 mmol/l respectively. Calcium levels normalized within 1 day after exchange transfusion without calcium therapy. Repeated exchange transfusions brought about progressively lower calcium values.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D002118 Calcium A basic element found in nearly all tissues. It is a member of the alkaline earth family of metals with the atomic symbol Ca, atomic number 20, and atomic weight 40. Calcium is the most abundant mineral in the body and combines with phosphorus to form calcium phosphate in the bones and teeth. It is essential for the normal functioning of nerves and muscles and plays a role in blood coagulation (as factor IV) and in many enzymatic processes. Coagulation Factor IV,Factor IV,Blood Coagulation Factor IV,Calcium-40,Calcium 40,Factor IV, Coagulation
D002951 Citrates Derivatives of CITRIC ACID.
D005078 Exchange Transfusion, Whole Blood Repetitive withdrawal of small amounts of blood and replacement with donor blood until a large proportion of the blood volume has been exchanged. Used in treatment of fetal erythroblastosis, hepatic coma, sickle cell anemia, disseminated intravascular coagulation, septicemia, burns, thrombotic thrombopenic purpura, and fulminant malaria.
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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