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The detail profile of cause of recurrences after laparoscopic percutaneous extraperitoneal closure (LPEC) in children: a systematic review

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Abstract

Purpose

Laparoscopic repairs for children with inguinal hernia have been established with various technical modifications. Laparoscopic percutaneous extraperitoneal closure (LPEC) is one of the most recognized techniques. Although the rate of complications of LPEC is similar to conventional repairs, the major cause of recurrence is still incompletely understood. The purpose of this study is to evaluate detail profile of the cause of recurrence in children treated with LPEC.

Methods

A systematic literature search was performed using the combinations of the following terms “pediatric inguinal hernia”, “LPEC”, “complication”, and “recurrence” for studies published between 2002 and 2020. The relevant cohorts of recurrence of LPEC in children were systematically searched for clinical outcomes.

Results

35 studies met defined inclusion criteria, reporting a total of 121 patients who had recurrence after LPEC. The mean age at primary operations was 46.7 ± 52.0 months. The gender proportions were 63.9% (male) and 36.1% (female). The rate of treatment side was 44.5% (right), 37.0% (left) and 18.5% (bilateral). The hernia sac was closed with absorbable suture materials (5.3%) and non-absorbable (94.7%). The recurrence occurred in 6.9 ± 8.5 months postoperatively. Operative findings of reoperation were loosening of the knot of internal rings (61.1%), low ligation of the inguinal canal (16.7%), and skipping (22.2%).

Conclusions

This study suggests that male infants have a higher risk of recurrence after LPEC, and the majority of recurrences can occur in a year postoperatively. It is important to confirm carefully that the suture is tight and high without skipping.

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Authors and Affiliations

  1. Department of Pediatric Surgery, Kansai Medical University, Osaka, Japan

    Tokiko Okunobo, Hiroki Nakamura, Sakiko Yoshimoto, Ryosuke Satake, Yusuke Shigeta & Takashi Doi

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  1. Tokiko Okunobo
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  2. Hiroki Nakamura
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  3. Sakiko Yoshimoto
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  4. Ryosuke Satake
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  5. Yusuke Shigeta
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  6. Takashi Doi
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Correspondence to Takashi Doi.

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Okunobo, T., Nakamura, H., Yoshimoto, S. et al. The detail profile of cause of recurrences after laparoscopic percutaneous extraperitoneal closure (LPEC) in children: a systematic review. Pediatr Surg Int 38, 359–363 (2022). https://doi.org/10.1007/s00383-021-05060-4

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  • DOI: https://doi.org/10.1007/s00383-021-05060-4

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