4.6 Article

Fetoscopic laser therapy for twin-twin transfusion syndrome before 17 and after 26 weeks' gestation

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MOSBY-ELSEVIER
DOI: 10.1016/j.ajog.2012.11.027

关键词

laser therapy; fetoscopy; monochorionic twins; neonatal death; twin-twin transfusion syndrome; TTTS

资金

  1. Societe Academique Vaudoise through the Paul Blanc grant
  2. SICPA Foundation
  3. Air Canada Travel Grant
  4. Rotary International Foundation

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OBJECTIVE: The purpose of this study was to compare perinatal outcomes of pregnancies that undergo early (<17 weeks' gestation) or late (>26 weeks' gestation) fetoscopic laser ablation of placental vascular anastomoses for twin-twin transfusion syndrome (TTTS) with conventional cases that were treated at 17-26 weeks' gestation. STUDY DESIGN: We conducted a single center, retrospective analysis of 325 consecutive pregnancies that underwent fetoscopic laser therapy for severe TTTS. RESULTS: Twenty-four early, 18 late, and 283 conventional pregnancies with severe TTTS underwent laser therapy. Fetoscopy duration, gestation at delivery, survival rate, and complications were comparable among groups, except for preterm premature rupture of membranes at <7 days after laser therapy, which was more common in the early group than in either of the other 2 groups. CONCLUSION: Laser therapy for TTTS at <17 or >26 weeks' gestation has similar outcomes to procedures done at 17-26 weeks' gestation. We suggest that conventional gestational age guidelines of 16-26 weeks for laser therapy for TTTS should be reevaluated.

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