“…Use of patch also increases the number of ventilator days and hospital stay and increases the risk of gastroesophageal reflux [56,57]. In the prenatal period, retrospective studies have shown that the need for a patch can be predicted by herniation of the liver as well as the O/E LHR [21,57,58]. In the CDH antenatal registry, prenatal liver herniation occurred in 42% of infants requiring patch repair compared with 17% of those primarily repaired [21].…”