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Title: | Prediction of the rate of decline in fetal hemoglobin levels between first and second transfusions in red cell alloimmune disease |
Authors: | NISHIE, Estela Naomi; LIAO, Adolfo Wenjaw; BRIZOT, Maria de Loudes; ASSUNCAO, Renata A.; ZUGAIB, Marcelo |
Citation: | PRENATAL DIAGNOSIS, v.32, n.12, p.1123-1126, 2012 |
Abstract: | Objective To determine variables that predict the rate of decline in fetal hemoglobin levels in alloimmune disease. Method Retrospective review of singleton pregnancies that underwent first and second intrauterine transfusions for treatment of fetal anemia because of maternal Rh alloimmunization in a tertiary referral center. Results Forty-one first intrauterine transfusions were performed at 26.1?weeks (standard deviation, SD, 4.6), mean volume of blood transfused was 44.4?mL (SD 23.5) and estimated feto-placental volume expansion was 51.3% (SD 14.5%). Between first and second transfusion, hemoglobin levels reduced on average 0.40?g/dl/day (SD 0.25). Stepwise multiple regression analysis demonstrated that this rate significantly correlated with hemoglobin levels after the first transfusion, the interval between both procedures, and middle cerebral artery systolic velocity before the second transfusion. Conclusion The rate of decline in fetal hemoglobin levels between first and second transfusions in alloimmune disease can be predicted by a combination of hemoglobin levels after the first transfusion, interval between both procedures, and middle cerebral artery systolic velocity before the second transfusion. (C) 2012 John Wiley & Sons, Ltd. |
Appears in Collections: | Artigos e Materiais de Revistas Científicas - FM/MOG Artigos e Materiais de Revistas Científicas - HC/ICHC Artigos e Materiais de Revistas Científicas - LIM/57 |
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