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Correlation between Processus vaginalis Patency and Metachronous Inguinal Hernia in Children



Purpose: In the present study, we report the incidence of CPPV with unilateral inguinal hernia and future MCIH, with the aim of assisting treatment of this disease.

Methods: A total of 20 636 cases of unilateral inguinal hernia that were surgically treated between January 2002 and December 2009 were retrospectively evaluated. Statistics were performed using Pearson test or χ2 as appropriate, and p < 0.05 was considered statistically significant.

Results: In this study, the incidence of CPPV overall was 39.49% (1 473/3 730) and did not decrease with age in the LP group. 3.28% (555/16 906) developed postoperative MCIH in the CD group, the incidence was reduced with a rise in initial age at surgical repair. No children in the LP group developed MCIH. The gender distribution showed that males were more likely to develop MCIH (96.22% vs. 92.91%, p < 0.05). Further, 86.12% (478/555) of MCIH occurred within two years after initial surgical repair, and the incidence gradually reduced with time.

Conclusions: It is considered probable that the incidence of asymptomatic patent processus vaginalis (PPV) does not significantly decrease with age. However, age and gender play an important role in the development of MCIH from PPV.

15 Jan, 2017
e-Published: 23 Jan, 2018


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