Single-port laparoscopic extraperitoneal repair of pediatric inguinal hernias and hydroceles by using modified Kirschner pin: a novel technique
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The development of laparoscopic processus vaginalis repair has provided an alternative approach to the management of inguinal hernia and hydroceles in children. Here we describe our new technique for laparoscopic extraperitoneal ligation of processus vaginalis with subumbilical single-port using a modified Kirschner pin.
A 5-mm trocar for an operative laparoscope was placed through an infraumbilical incision. A Kirschner pin with a hole in one flat terminal was inserted at the point of the internal inguinal ring. The processus vaginalis was closed extracorporeally by a non-absorbable suture, which was introduced into the abdomen through the Kirschner pin performing dissection within the extraperitoneal space in a series of movements. When a contralateral patent processus vaginalis is present, laparoscopic-assisted extracorporeal ligation is performed during the same operation.
Between September 2010 and September 2012, 211 children (130 cases of inguinal hernia and 81 cases of hydrocele) underwent processus vaginalis repair using this novel technique. A contralateral patent processus vaginalis was present and thus simultaneously closed in 20 patients with unilateral inguinal hernias and 12 patients with unilateral hydroceles. The mean operative time was 18 min (8–35 min). The mean follow-up period is 12 months (range 5–24 months), and no recurrence and complications has been observed to date.
This article describes a unique technique of extracorporeal circuit ligation of processus vaginalis using a minimally invasive technique as afforded by a reused modified Kirschner pin. Single-port laparoscopic processus vaginalis repair using this instrument is feasible and seems to be safe.
KeywordsSingle-incision laparoscopy Inguinal hernia Hydrocele Repair Children Technique
Conflict of interest
All authors declare that they have no competing interest and no relevant financial interest.
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