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- Title
From A to AB: A Caucasian Mother with High Anti-B Titer Causing Hemolytic Disease of the Newborn.
- Authors
Schooley, Nathanael; Chabra, Shilpi; Stolla, Moritz
- Abstract
We report on a term infant with clinically significant hemolysis and hyperbilirubinemia. Testing revealed ABO incompatibility between maternal type A and infant type AB. The maternal alloantibody screen was negative. The infant's direct antiglobulin test was positive, and anti-B IgG was eluted off the infant's red blood cells (RBCs). Testing of the mother's plasma revealed a high anti-B titer. The infant was successfully treated with phototherapy and intravenous immunoglobulin. The bilirubin and hematocrit stabilized, and the infant was discharged home. This case was unusual because of its severity and unusual ABO constellation. Furthermore, this report is an exemplary educational case study on how effective collaboration between the clinical team and the blood bank laboratory is critical in reaching the correct diagnosis. In summary, the differential diagnosis of more unusual and atypical ABO-incompatible constellations must be considered when an infant presents with unexplained hemolysis.
- Subjects
ABO blood group system; MOTHERS; NEONATAL anemia; HEMATOCRIT; IMMUNOGLOBULINS; INTRAVENOUS therapy; COOMBS' test; NEONATAL jaundice; PHOTOTHERAPY; HEMOLYSIS &; hemolysins; RH isoimmunization; ERYTHROBLASTOSIS fetalis; WHITE people
- Publication
Laboratory Medicine, 2022, Vol 53, Issue 2, pe33
- ISSN
0007-5027
- Publication type
Article
- DOI
10.1093/labmed/lmab067