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Maurício Mendes Barbosa,Eduardo Félix Martins Santana,Hérbene José Figuinha Milani1,Julio Elito Júnior,Edward Araujo Júnior,Antônio Fernandes Moron,Luciano Marcondes Machado Nardozza 대한산부인과학회 2018 Obstetrics & Gynecology Science Vol.61 No.4
ObjectiveTo evaluate the initial maternal and perinatal outcomes of fetoscopic laser photocoagulation for the treatment oftwin-to-twin transfusion syndrome (TTTS) in a referral center in Brazil. MethodsThis prospective observational study analyzed 24 fetoscopic laser photocoagulation procedures at 18.26 weeks ofgestation. TTTS severity was determined using the Quintero classification. Blood vessels that crossed the interamnioticmembrane were nonselectively photocoagulated. The χ2 test and Mann-Whitney U test were used for the statisticalanalysis. ResultsThe mean (±standard deviation) age of pregnant women, gestational age at surgery, surgical time, gestational age atbirth, and newborn weight were 32.2±4.1 years, 20.7±2.9 weeks, 51.8±16.7 minutes, 30.5±4.1 weeks, and 1,531.0±773.1g, respectively. Using the Quintero classification, there was a higher percentage of cases in stage III (54.2%), followedby stages IV (20.8%), II (16.7%), and I (8.3%). Ten (41.7%) donor fetuses died and 14 (58.3%) donor fetuses surviveduntil the end of gestation. Placental insertion location (anterior vs. posterior) did not affect the incidence of iatrogenicseptostomy, surface bleeding, and premature rupture of membranes until the end of gestation. The death rate ofdonor and recipient fetuses before 24th gestational week increased with severity of TTTS. ConclusionThe maternal and perinatal outcomes resulting from the implementation of a new minimally invasive surgicaltechnique are in line with those obtained in major centers worldwide, considering the learning curves andinfrastructures.