Abstract
Backgroud
Recently, laparoscopic percutaneous extraperitoneal closure (LPEC) has gained increased popularity for pediatric inguinal hernia repair. To improve cosmesis, we developed single incision LPEC (SILPEC). The aim of this study was to assess the safety and feasibility of SILPEC compared with traditional open repair (OR).
Methods
This was a single-center retrospective cohort study of 2028 children who underwent inguinal hernia repair between April 2005 and August 2014. Nine hundred and ninety-five patients underwent OR and 1033 patients underwent SILPEC. Medical records were reviewed with respect to operative time, recurrence, incidence of contralateral metachronous inguinal hernia (CMIH), and complications. Patient satisfaction with cosmetic result was also investigated using questionnaires sent by mail.
Results
All SILPEC procedures were completed without conversion. Operative time was longer in the SILPEC group than in the OR group for both unilateral and bilateral surgery regardless of sex (unilateral male: p = 0.0006, unilateral female: p < 0.0001, bilateral male: p < 0.0001, bilateral female: p < 0.0001). There was no statistically significant difference in recurrence rate (p = 0.43). The incidence of CMIH was significantly higher in the OR than in the SILPEC group (p < 0.0001). No postoperative testicular atrophy was found in either group. There was no statistically significant difference in ascending testis (p = 0.09), but the frequency of surgical site infection was higher in the SILPEC than in the OR group (p = 0.0013). According to the questionnaire, operative scar was more invisible in the SILPEC than in the OR group (p < 0.0001), but both procedures had equally high levels of satisfaction for cosmetic results (p = 0.58).
Conclusion
SILPEC proved to be a safe and feasible procedure compared with OR with an equally low recurrence rate, more effectiveness for preventing CMIH, and more invisible scar.
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