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Endoscopic necrosectomy is now widely performed as a primary treatment for pancreatic necrosis; however, there is currently no standardized technique for accessing and debriding pancreatic fluid collections, such as pseudocysts or pancreatic walled-off necrosis. Traditionally, cystenterostomies between pancreatic fluid collections and the stomach or bowel were held open by plastic stents, although now metal stents (most commonly lumen-apposing metal stents), are frequently used. Plastic stents are inexpensive but cumbersome compared with metal stents.
To compare the efficacy of plastic and metal stents for draining pancreatic walled-off necrosis, researchers performed a meta-analysis of data from 41 studies involving more than 2000 patients.…