Pediatric Inguinal Hernia Repair, Laparoscopic Versus Open Approach: A Systematic Review and Meta-Analysis of the Last 10-Year Evidence

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Abstract
Aim: Since the first description of laparoscopic herniorrhaphy (LH), a lot of studies have compared outcomes between LH and open herniorrhaphy (OH) with inconsistent results. We designed this study to assess outcomes between both techniques now that pediatric surgeons have enough confidence with it. Methods: We performed a systematic review and meta-analysis of articles published in the last 10 years. Results: Twenty-seven articles reporting on 91,653 patients (26,920 LH and 64,733 OH) were included. No significant differences were found in overall operative time (OT) ( P = .07). Subgroup analysis revealed significantly shorter OT for LH in unilateral (−8.87 minutes, P = .03) and bilateral hernias (−16.86 minutes, P = .004), but longer in unilateral hernias in females (+7.47 minutes, P = .006). Recurrence rate was similar (odds ratio [OR] 1.05, P = .66). Less complications were reported in LH (OR 0.51, P = .03). Contralateral patent processus vaginalis average rate was 39.61% and its closure reported a significant decrease of contralateral metachronous hernia (OR 0.11, P < .00001). Conclusion: Although OH is still considered the gold standard by some authors, LH has proven to be not only as safe as OH but also to have additional advantages that should make pediatric surgeons implement it in their daily practice and not in selected cases alone.

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