Perinatal outcome in monochorionic twin pregnancies after selective fetal reduction using radiofrequency ablation.

International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics
Vatsla DadhwalLakhwinder Singh

Abstract

To study the perinatal outcomes in women with complicated monochorionic twin pregnancies undergoing selective fetal reduction using radiofrequency ablation (RFA). This retrospective study included 44 patients with monochorionic twin pregnancies, between 14 and 28 weeks of pregnancy, who underwent RFA for selective fetal reduction. Perinatal and maternal outcomes and procedure-related complications were analyzed. The procedure was technically successful in all 44 cases. Indications for selective fetal reduction included twin-to-twin transfusion syndrome (52.3%), twin reversed arterial perfusion (20.5%), twins discordant for anomaly (15.9%), and selective fetal growth restriction (11.4%). Median gestational age at procedure was 222/7  weeks (range 14-266/7 ). Live birth rate was 77.3% with three neonatal deaths; so overall survival was 70.5%. Median procedure-to-delivery interval was 123/7  weeks (range 24/7 -23). There were eight losses before 24 weeks of pregnancy, which included two co-twin deaths. Median gestational age at delivery was 35 weeks (interquartile range 321/7 -37 weeks). The preterm delivery rate was 66.7% (24/36) and preterm prelabor rupture of membranes (PPROM) occurred in 22.7% (10/44) of patients. Selective fe...Continue Reading

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