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

Updated: Jul 01, 2021
  • Author: Assar A Rather, MBBS, MD, FACS; Chief Editor: John Geibel, MD, MSc, DSc, AGAF  more...
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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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