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- Title
Late hyporegenerative anemia in neonates with rhesus hemolytic disease.
- Authors
Al-Alaiyan, Saleh; Al Omran, Abbas
- Abstract
This study was conducted to determine the risk factors of the late hyporegenerative anemia in Rh-isoimmunized infants. Data on 36 infants with rhesus hemolytic disease were analyzed. The mean gestational age and birth weight were 36 ± 1.3 weeks and 2837 ± 403 grams respectively. Twenty-seven infants (75 %) received between 2 and 8 intravascular intrauterine blood transfusions. Fourteen infants (39 %) required simple packed red blood cell transfusions and 11 infants (31 %) required exchange blood transfusion in the immediate postnatal period. Thirty infants (83 %) developed late anemia and required blood transfusions at a mean postnatal age of 43.3 ± 15.7 days. Sixty-four percent of infants who had exchange blood transfusions did not develop late anemia, while 92% of infants who did not require exchange blood transfusion developed late anemia, and the difference was statistically significant (P = 0.035). Serum erythropoietin levels were determined in 8 infants immediately before simple transfusion for late anemia. The media serum erythropoietin level was 21.2 mU/ml, ranging between less than 10 to 114.2 mU/ml. We conclude that late hyporegenerative anemia is common among Rh isoimmunized infants, regardless of the intravascular intrauterine transfusion. Exchange blood transfusion was associated with less occurrence of late anemia.
- Publication
Journal of Perinatal Medicine, 1999, Vol 27, Issue 2, p112
- ISSN
0300-5577
- Publication type
Article