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The risk of developing a symptomatic inguinal hernia in children with an asymptomatic patent processus vaginalis

Katrina L Weaver1, Ashwini S Poola1, Joanna L Gould1

  • 1Department of Surgery, Children's Mercy Hospital, Kansas City, MO.

Journal of Pediatric Surgery
|November 16, 2016
PubMed

Insights

The risk of developing a symptomatic hernia in children with a patent processus vaginalis (PPV) is low. This study followed children with asymptomatic PPV, finding a small percentage developed hernias later in childhood.

Area of Science:

  • Pediatric Surgery
  • Developmental Biology

Background:

  • A patent processus vaginalis (PPV) is present in children with symptomatic indirect inguinal hernias.
  • The natural history and likelihood of developing a symptomatic hernia from an asymptomatic PPV are not well-documented.

Purpose of the Study:

  • To determine the incidence and time frame for the development of symptomatic hernias in children with a known asymptomatic PPV.

Main Methods:

  • Retrospective chart review of children identified with PPV during nonhernia laparoscopic surgery between 2000 and 2014.
  • Follow-up via chart review and phone inquiry to assess for subsequent hernia development.

Main Results:

  • 308 children had asymptomatic PPV identified during laparoscopy.
  • Of 125 patients contacted after a median of 8.1 years, 19 (13%) developed symptomatic hernias.
  • Hernias presented at a median age of 17 months, with a median of 9 months after the initial laparoscopy.

Conclusions:

  • The risk of a known asymptomatic PPV progressing to a symptomatic hernia in childhood appears to be relatively low.
Abstract

Keywords:
Asymptomatic patent processus vaginalisChildrenInguinal herniaLaparoscopy

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