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

 I. G. Ho  ;  K. Ihn  ;  E.-J. Koo  ;  J.-T. Oh 
 HERNIA, Vol.23(4) : 783-787, 2019 
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Contralateral persistent processus vaginalis ; Diameter ; Inguinal hernia ; Laparoscopic repair
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.
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1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
Yonsei Authors
Oh, Jung Tak(오정탁)
Ihn, Kyong(인경) ORCID logo https://orcid.org/0000-0002-6161-0078
Ho, In Geol(호인걸)
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