There are considerable controversies in the management of congenital diaphragmatic hernia. By 1997, early operation, routine chest tube on the ipsilateral side and maintainingrespiratory alkalosis by hyperventilation were our principles (period I). With a transition period from 1998 to 1999, delayed operation with sufficient resuscitation, without routine chest tube, and permissive hypercapnia were adopted as our practice. High frequency oscillatory ventilation (HFOV) and nitric oxide (NO) were applied, if necessary, since year 2000(period II). Sixty-seven cases of neonatal Bochdalek hernia from 1989 to 2005 were reviewed retrospectively. There were 33 and 34 cases in period I and II, respectively. The neonatal survival rates were 60.6 % and 73.5 %, respectively, but the difference was not significant. In period I, prematurity, low birth weight, prenatal diagnosis, inborn, and associated anomalies were considered as the significant poor prognostic factors, all of which were converted to nonsignificant in period II. In summary, improved survival was not observed in later period. The factors considered to be significant for poor prognosis were converted to be nonsignificant after change of the management principle. Therefore, we recommend delayed operation after sufficient period of stabilization and the avoidance of the routine insertion of chest tube. The validity of NO and HFOV needs further investigation.

Citations

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• Trends in Treatment Outcome and Critical Predictors of Mortality for Congenital Diaphragmatic Hernia in a Single Center
  Ji Hye Hwang, Chae Young Kim, Hye Won Park, Jung-Man Namgoong, Dae Yeon Kim, Seong-Chul Kim, Mi Young Lee, Hye Sung Won, Jae Yoon Shim, Pil Ryang Lee, Ahm Kim, Euiseok Jung, Byong Sop Lee, Ki-Soo Kim, Ellen Ai-Rhan Kim
  Perinatology.2018; 29(2): 72.     CrossRef