Preoperative predictors of death in twin-to-twin transfusion syndrome treated with laser ablation of placental anastomoses

To determine preoperative predictive factors for donor and recipient death after laser ablation of placental vessels in twin-to-twin transfusion syndrome.Retrospective analysis of North American Fetal Therapy Network center laser procedures, 2002-2009. Factors associated with donor and recipient death were identified by regression analysis.There were 466 patients from 8 centers. Factors significantly associated with donor fetal death were low...