Describe the techniques for fetal surgery.
Two techniques for fetal correction of CDH are
cur-rently under investigation. The first technique is surgical correction of
the diaphragmatic defect and reduction of the abdominal contents into the
abdominal cavity. This could not be performed if the liver was in the thoracic
cav-ity because it resulted in compromised flow through the umbilical vein. The
second technique is tracheal occlusion, which has been shown to result in lung
development. However, this technique has been fraught with problems and is not
widely used.
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