Twin-twin transfusion syndrome before and after introduction of laser therapy at the University Hospital Zurich

Introduction: The twin-twin transfusion syndrome (TTTS) is a life threatening disease leading to an abortion or preterm birth in > 80% of untreated monochorionic pregnancies. The aim was to evaluate survival rates of monochorionic twins with TTTS before and after introduction of laser therapy at the University Hospital Zurich and to present the outcome of the children after laser therapy. Material and methods: Between 2004 – 2011 52 monochorionic twin pregnancies were diagnosed with TTTS. Before introduction of the laser coagulation of placental anastomoses in 2009, 5 out of 19 TTTS patients were treated with la…