What is the importance of the size of the fascial defect in the repair of abdominal umbilical hernias?

Updated: Jul 23, 2019
  • Author: Assar A Rather, MBBS, MD, FACS; Chief Editor: John Geibel, MD, DSc, MSc, AGAF  more...
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Answer

It is the size of the fascial defect, rather than the size of the external protrusion, that predicts the potential for spontaneous closure. Walker demonstrated that fascial rings measuring less than 1 cm in diameter usually close spontaneously, whereas rings larger than 2 cm seldom do. [22] Accordingly, many pediatric surgeons will repair umbilical hernias with large (>2.5 cm) fascial defects earlier than hernias with smaller fascial defects.


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