Surgical management of pilonidal sinus disease in pediatric population: An updated systematic review and meta-analysis.
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BACKGROUND: Pilonidal disease (PD) is a chronic inflammatory condition of the natal cleft that commonly affects pediatric population, leading to high morbidity, frequent recurrences, and impaired quality of life. Despite various surgical approaches, no consensus exists on the optimal technique, and pediatric-specific evidence is limited. OBJECTIVES: To compare recurrence, wound complications, and recovery outcomes across surgical techniques in patients ≤18 years with PD. METHODOLOGY: A systematic search of MEDLINE, Cochrane, and Google Scholar (inception-Dec 2024) identified 59 studies (N = 5075). Data on recurrence, wound complications, healing time, operative time, hospital stay, return to daily activities (ADL), pain scores, and reoperation rates were extracted. Random-effects models were used for pooled estimates. Subgroup analyses and meta-regression explored heterogeneity and impact of follow-up duration. Study quality was assessed using the Newcastle-Ottawa Scale and ROB-2. RESULTS: Open healing showed the highest recurrence (20.1%) and moderate wound complication rates (16.2%), with healing times up to 98 days. Midline primary closure had a recurrence rate of 17.5%, the highest wound complication rate (43.5%), and a reoperation rate of 29.8%. Off-midline closures had the lowest recurrence (10.2%) and moderate complications (19.5%), with healing times as short as 8 days. Minimally invasive techniques (MITs), particularly PEPSiT, demonstrated low recurrence (11.4%), minimal complications (6.5%), short operative times (17-50 min), early return to ADL (1-3 days), and low postoperative pain (VAS 0-2). Adjunctive laser epilation improved outcomes across all techniques. Meta-regression showed longer follow-up was associated with lower recurrence in most groups, except open healing. CONCLUSION: Off-midline closure and minimally invasive strategies, especially when combined with laser epilation, offer superior outcomes in recurrence, complications, and recovery.