• L Lecointre, N Sananès, A S Weingertner, A Gaudineau, C Akladios, V Cavillon, B Langer, and R Favre.
• Pôle de gynécologie-obstétrique, département d'échographie et de médecine fœtale, CMCO-HUS, 19, rue Louis-Pasteur, 67300 Schiltigheim/Strasbourg, France; Pôle de gynécologie-obstétrique, département d'obstétrique, hôpital de Hautepierre, hôpitaux universitaires de Strasbourg, 1, avenue Molière, 67098 Strasbourg cedex, France. Electronic address: liselecointre@hotmail.fr.
• J Gynecol Obstet Hum Reprod. 2017 Feb 1; 46 (2): 175-181.

ObjectivesTo report preoperative data, surgical characteristics, complications and perinatal outcome of twin-twin transfusion syndrome (TTTS) managed with laser ablation surgery, to analyze predictors of neonatal survival and to compare the 100 most recent cases with the older 100.Materials And MethodsObservational cohort moncentric study of 200 cases of TTTS consecutively treated with fetoscopic laser coagulation between January 2004 and December 2014.ResultsThere were 49 stage I, 88 stage II, 55 stage III and eight stage IV. Median gestation at time of laser was 20.1±3.0 weeks' gestation (WG) whereas median gestation at delivery was 31.6±5.4 WG. Overall perinatal survival rate was 68.0% and 84.0% have one or more surviving twins. Preterm premature rupture of membranes occurred in 39 cases with and the median gestational age for this complication was 28.8±4.6 SA. Predictive factors to have at least one living birth were Quintero stage and gestational age at delivery. In the most recent period, there were significantly more TTTS Quintero stage I treated with laser, more coagulation by the Solomon technique and a larger number of coagulated vessels.ConclusionThe neonatal survival of TTTS is improved by fetoscopic laser coagulation, preferely by using Solomon tecnhique. The use of active management of stage I is currently on research.Copyright © 2017 Elsevier Masson SAS. All rights reserved.

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