To evaluate the reliability of sonographic lung-to-head ratio (LHR) measurement as a predictor of survival in fetuses with congenital diaphragmatic hernia (CDH) and to compare the probability of survival in those with temporary tracheal occlusion (TO) or standard care with respect to the LHR.
Department of Pediatrics and the Cardiovascular Research Institute, The Fetal Treatment Center, University of California San Francisco, San Francisco, CA 94143, USA.
