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Hernia

pp 1–5 | Cite as

A study of contralateral persistent processus vaginalis in laparoscopic hernia repair in children

  • I. G. Ho
  • K. Ihn
  • E.-J. Koo
  • J.-T. OhEmail author
Original Article

Abstract

Purpose

The introduction of laparoscopy for hernia repair permits intra-abdominal observation of a hernia and contralateral persistent processus vaginalis (CPPV). The current study’s aim was to investigate the diameter of opening of an inguinal hernia and CPPV in patients with unilateral inguinal hernia, and to evaluate their correlation with age.

Methods

From September 2012 to August 2017, 569 pediatric patients underwent laparoscopic repair of unilateral inguinal hernia. We retrospectively evaluated the size of the hernia and CPPV by measuring the diameter of opening. Pearson correlation analysis and linear-by-linear association were used in the statistical analysis.

Results

The median age at operation was 32.4 months (range 0.2–219 months). CPPV was observed in 330 patients (58.0%), and its incidence was significantly higher in patients with left inguinal hernias than in those with right inguinal hernias (62.8 versus 54.0%, p < 0.001). The mean diameter of opening for the hernias was significantly larger than that for CPPV (11.2 ± 3.1 vs. 6.1 ± 2.5 mm, p < 0.001). The incidence of CPPV gradually decreased from 77.2% in infants to 46.6% in the oldest age group (≥ 6 years) (p trend < 0.001). The diameter of the opening of a hernia was not correlated with increasing age, and the diameter of the opening of a CPPV was not correlated with increasing age, as well.

Conclusion

The diameters of a hernia and CPPV were identified in the current study, and the diameter was not correlated with increasing age. The incidence of CPPV was more common in patients with left inguinal hernias than in those with right inguinal hernias, and it gradually decreased with increasing age.

Keywords

Inguinal hernia Contralateral persistent processus vaginalis Laparoscopic repair Diameter 

Abbreviations

CPPV

Contralateral persistent processus vaginalis

LR

Laparoscopic repair

Notes

Funding

This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

Compliance with ethical standards

Conflict of interest

IGH, KI, EJK, and JTO declare that they have no conflict of interest.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

Human and animal rights

This article does not contain any studies with animals performed by any of the authors.

Informed consent

Informed consent was obtained from each patient’s guardian.

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Copyright information

© Springer-Verlag France SAS, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Pediatric Surgery, Severance Children’s HospitalYonsei University College of MedicineSeoulRepublic of Korea

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