Clinical outcome and risk factors for recurrence of percutaneous external drainage in treating pediatric pancreatic pseudocysts.
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BACKGROUND: Pediatric pancreatic pseudocysts are rare clinically and there is no consensus on an optimum treatment strategy for it. Here, we aim to evaluate the outcome and efficacy of percutaneous external drainage in treating pediatric pancreatic pseudocysts. METHODS: All 62 patients with pancreatic pseudocysts from January 2012 to December 2021, were included. Patients were divided into conservative treatment group (Group A) and external drainage group (Group B). A retrospective analysis was performed based on clinical manifestation and prognosis. RESULTS: The maximum transverse diameter of cysts was significantly smaller in group A than group B (⁎⁎⁎P < 0.001). The duration of cystic regression was significantly greater in group A than group B (⁎⁎P = 0.013). The curative rate (complete disappearance of all pseudocysts) was 73.5% (25/34) in group A and 88.9% (24/27) in group B. The effective treatment rate (complete disappearance of all pseudocysts or persistence of asymptomatic pseudocysts) was 85.3% (29/34) in group A and 92.6% (25/27) in group B. The existence of fibrous septa in the cyst was an independent risk factor for cyst recurrence after external drainage (⁎⁎P = 0.022). CONCLUSION: Conservative treatment is feasible for small asymptomatic pseudocysts; external drainage was safe and effective for large and symptomatic pseudocysts, while the presence of fibrous septa in cysts should be carefully evaluated before external drainage surgery.