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Hemolytic disease of the newborn, also known as hemolytic disease of the fetus and newborn, HDN, HDFN, or erythroblastosis fetalis, [1] [2] is an alloimmune condition that develops in a fetus at or around birth, when the IgG molecules (one of the five main types of antibodies) produced by the mother pass through the placenta.
Hemolytic disease of the fetus and newborn (HDN) is a condition where the passage of maternal antibodies results in the hemolysis of fetal/neonatal red cells. The antibodies can be naturally occurring such as anti-A, and anti-B, or immune antibodies developed following a sensitizing event. [ 11 ]
The AAP recommends "In isoimmune hemolytic disease, administration of intravenous γ-globulin (0.5-1 g/kg over 2 hours) is recommended if the TSB is rising despite intensive phototherapy or the TSB level is within 2 to 3 mg/dL (34-51 μmol/L) of the exchange level .
Rh disease (also known as rhesus isoimmunization, Rh (D) disease, or rhesus incompatibility, and blue baby disease) is a type of hemolytic disease of the fetus and newborn (HDFN). HDFN due to anti-D antibodies is the proper and currently used name for this disease as the Rh blood group system actually has more than 50 antigens and not only the ...
Nipocalimab is an experimental high affinity, fully human, aglycosylated, effectorless immunoglobulin G (IgG) anti-FcRn monoclonal antibody. [1]For hemolytic disease of the newborn (HDFN), nipocalimab works by decreasing levels of alloantibodies and other circulating IgG antibodies in the mother without impacting immune function.
Rh D hemolytic disease of the newborn (also known as Rh disease) ABO hemolytic disease of the newborn (the direct Coombs test may only be weakly positive) Anti-Kell hemolytic disease of the newborn; Rh c hemolytic disease of the newborn; Rh E hemolytic disease of the newborn; Other blood group incompatibility (RhC, Rhe, Kidd, Duffy, Lewis, MN ...
Kell antigens are important in transfusion medicine, autoimmune hemolytic anemia and hemolytic disease of the newborn (anti-Kell). Anti-K is the next most common immune red cell antibody after those in the ABO and Rh system. Anti-K typically presents as IgG class alloantibody.
Another disease associated with the Jk antigen is hemolytic disease of the newborn, in which a pregnant woman's body creates antibodies against the blood of her fetus, leading to destruction of the fetal blood cells. Hemolytic disease of the newborn associated with Jk antibodies is typically mild, though fatal cases have been reported. [2]
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