Purpose: Several single-port laparoscopic hernial repair methods have been designed to treat inguinal hernia in children, but reliable and safe ligation of the hernial sac should be further investigated. This study aimed to investigate a new technique for laparoscopic percutaneous double ligation for pediatric inguinal hernias with a set of home-made instruments. Methods: Before each operation, a set of home-made instruments were prepared, including a curved puncture needle, a lasso suture, a dual ligation suture, and occasionally, a flat-headed puncture needle for obese patients. After a series of operational steps, the hernial sac was doubly extracorporeally ligated, leaving only one puncture point in the inguinal region and one incision in the navel. Results: Between October 2011 and September 2013, 236 children (211 boys and 25 girls) underwent hernial repair using this novel technique. In 38.8 % (85/219) of patients with the preoperative diagnosis of unilateral inguinal hernia, contralateral patent processus vaginalis was confirmed during the laparoscopic surgery and subsequent repair was performed. In 134 cases of unilateral repair, the mean operative time was 11 min (range 5–16 min), and it was 19 min (range 13–29 min) in 102 cases of bilateral repair. No recurrence or complications have been observed to date. Conclusions: This study shows a unique technique of percutaneous double ligation of the hernial sac using a minimally invasive technique with the aid of a transabdominal 5-mm telescope and a set of home-made instruments. Single-port laparoscopic hernial repair using this technique is feasible and appears to be safe.
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