Prenatal diagnosis · 2024
Clinical Characteristics and Outcomes of Intrauterine Blood Transfusion (IUT) for Infectious Etiologies.
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Munoz Jessian L, Benitez Leticia, Buskmiller Cara, Nassr Ahmed A, Belfort Michael A, Cortes Magdalena Sanz, Donepudi Roopali V
Аннотация
OBJECTIVE: Congenital viral infection may result in fetal anemia and thrombocytopenia. While intrauterine blood transfusions (IUTs) are more commonly performed for Rh alloimmunization, reports using IUT for infection have varying success. Our primary objective was to characterize the outcomes of patients undergoing IUT for infectious etiologies at our center compared with Rh disease.
STUDY DESIGN: This was a case series of patients undergoing IUT from 2012-2023. Infectious etiologies were identified by maternal serologies and confirmed by amniotic fluid polymerase chain reactions (PCR). Clinical outcomes were obtained from electronic medical records.
RESULTS: During the study period, 70 patients underwent IUT, 34% (24/70) for Rh alloimmunization and 17% (12/70) for infection. Those with infectious etiologies were more likely to be diagnosed at earlier gestational ages (22 vs. 25 weeks, p = 0.04), with hydrops (75 vs. 33%, p = 0.03), and thrombocytopenia (27 ± 33 × 103 vs. 163 ± 112 × 103, p < 0.01). Perinatal death was significantly greater in cases of CMV (4/5, 80%) compared to parvovirus (1/7, 14%) or Rh alloimmunization (5/24, 21%) (p = 0.02).
CONCLUSION: Anemias and thrombocytopenias related to fetal infection may be indications for IUT. Compared with Rh alloimmunization, IUT in fetal infections was performed significantly earlier, and hydrops were more common at the time of IUT. In the case of CMV, greater rates of IUFD (80%) were observed. Patients should be counseled on the various outcomes by indication.
STUDY DESIGN: This was a case series of patients undergoing IUT from 2012-2023. Infectious etiologies were identified by maternal serologies and confirmed by amniotic fluid polymerase chain reactions (PCR). Clinical outcomes were obtained from electronic medical records.
RESULTS: During the study period, 70 patients underwent IUT, 34% (24/70) for Rh alloimmunization and 17% (12/70) for infection. Those with infectious etiologies were more likely to be diagnosed at earlier gestational ages (22 vs. 25 weeks, p = 0.04), with hydrops (75 vs. 33%, p = 0.03), and thrombocytopenia (27 ± 33 × 103 vs. 163 ± 112 × 103, p < 0.01). Perinatal death was significantly greater in cases of CMV (4/5, 80%) compared to parvovirus (1/7, 14%) or Rh alloimmunization (5/24, 21%) (p = 0.02).
CONCLUSION: Anemias and thrombocytopenias related to fetal infection may be indications for IUT. Compared with Rh alloimmunization, IUT in fetal infections was performed significantly earlier, and hydrops were more common at the time of IUT. In the case of CMV, greater rates of IUFD (80%) were observed. Patients should be counseled on the various outcomes by indication.