Recurrent congenital diaphragmatic hernia (CDH) is a well-known complication, but one that has not been examined systematically. Review of the literature shows a varied incidence as well as a myriad of treatment strategies. Evaluation of the available data is made more difficult by lack of standardized repair techniques and comparable patient groups. As an increasing number of diaphragmatic hernia patients survive the newborn period, a study of the true incidence of recurrent diaphragmatic hernia, its etiologic factors, and the methods of repair is essential to prevent and treat this problem.
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