2021, Number 2
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Bol Clin Hosp Infant Edo Son 2021; 38 (2)
Isommunization with anti-E in positive O-Rh binomial. Presentation of an unusual case
Quero-Hernández A, Quero-Estrada A, Reyes-Gómez U, Reyes-Hernández KL, Hernández-Noyola AL, Santiago-Valdivieso U, Avendaño-López JR
Language: Spanish
References: 21
Page: 148-154
PDF size: 149.39 Kb.
ABSTRACT
Hemolytic disease due to maternal-fetal incompatibility to the Rh phenotype is the result of maternal sensitivity to a foreign
antigen transfused by the fetus. The present work describes the incompatibility of the maternal-fetal RH phenotype.
The clinical case of a male new born presented, 28-year-old mother´s son, both ORH +. The current condition began with
24 hours of extra-uterine life with jaundice, with Hb 16.5 gr/dl and reticulocytes 11%. Positive direct Coombs. Indirect
Coombs to positive mother. Anti-E is identified in the mother’s serum and the same Anti-E on the surface of the neonates
erythrocyte. The Rh phenotype of the neonate (CECe) and the mother (CeCe) were incompatible. He was treated with
intravenous gamma globulin and red blood transfusion compatible with the maternal Rh phenotype. The Rh system is the
most complex of the blood groups, the most important being C, c, D, E and e antigens. Our case described here, presented
the clinical characteristics of hemolytic disease in the first 24 hours after birth, the diagnosis could be established by
performing the Rh immunophenotyping, on the newborn (CECe) and its mother (CeCe) and the immunogenic difference
that gave rise to the maternal-fetal incompatibility. It is important of identify the Rh immunophenotype in our population
as primary prevention in pregnant women and in those women in the reproductive stage who will be transfused.
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