Prenatal diagnosis · 2025
Predictors of Adverse Perinatal Outcome in Twin Anemia Polycythemia Sequence: Evidence From a Single Center Cohort Study.
СтатьяНазвание и аннотация: Перевод в очереди
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Zloto Keren, Rosenthal Noa, Cohen Stav, Avnet Hagai, Weisz Boaz, Yinon Yoav
Аннотация
OBJECTIVE: To evaluate the perinatal outcome of monochorionic pregnancies complicated by Twin Anemia-Polycythemia Sequence (TAPS) and identify prognostic factors associated with adverse outcomes.
METHODS: A retrospective study (2012-2024) analyzed TAPS cases at a tertiary center. Demographic, obstetric, and neonatal outcomes were compared between conservative management and interventions (intrauterine transfusion, laser surgery, or selective feticide). TAPS characteristics were also analyzed in three subgroups: deliveries before/after 32 weeks, CNS findings on MRI, and dual versus single/no survival.
RESULT: Of 32 TAPS cases, 68.75% were spontaneous, and 31.25% followed TTTS laser treatment. Conservative management was used in 62.5%, while 21.9% received intrauterine transfusions, 9.4% underwent laser treatment, and 9.4% had selective feticide. Gestational age at diagnosis and delivery was earlier in the intervention group (25 vs. 27 weeks, p = 0.05; 30.6 vs. 32.6 weeks, p = 0.04). CNS abnormalities (25%) were linked to earlier diagnosis. Perinatal survival was 86%, with dual, single, and no survival rates of 78.1%, 15.6%, and 6.2%, respectively. Patients with single/no survival were characterized by an earlier gestational age at diagnosis of TAPS compared to those with dual survival (21 vs. 27 weeks, p < 0.01).
CONCLUSION: Earlier TAPS diagnosis is associated with poorer outcomes, including reduced survival and increased risk of brain injury.
METHODS: A retrospective study (2012-2024) analyzed TAPS cases at a tertiary center. Demographic, obstetric, and neonatal outcomes were compared between conservative management and interventions (intrauterine transfusion, laser surgery, or selective feticide). TAPS characteristics were also analyzed in three subgroups: deliveries before/after 32 weeks, CNS findings on MRI, and dual versus single/no survival.
RESULT: Of 32 TAPS cases, 68.75% were spontaneous, and 31.25% followed TTTS laser treatment. Conservative management was used in 62.5%, while 21.9% received intrauterine transfusions, 9.4% underwent laser treatment, and 9.4% had selective feticide. Gestational age at diagnosis and delivery was earlier in the intervention group (25 vs. 27 weeks, p = 0.05; 30.6 vs. 32.6 weeks, p = 0.04). CNS abnormalities (25%) were linked to earlier diagnosis. Perinatal survival was 86%, with dual, single, and no survival rates of 78.1%, 15.6%, and 6.2%, respectively. Patients with single/no survival were characterized by an earlier gestational age at diagnosis of TAPS compared to those with dual survival (21 vs. 27 weeks, p < 0.01).
CONCLUSION: Earlier TAPS diagnosis is associated with poorer outcomes, including reduced survival and increased risk of brain injury.