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This study compares the clinical outcomes of these stents.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>PubMed and Cochrane were searched for trials comparing metal and plastic stents for WON. Primary outcomes were clinical and technical success.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Seven studies with 230 metal stent patients and 226 plastic stent patients were included. Metal stents showed significantly shorter procedure times (SMD \u20100.80, 95% CI: \u20101.25 to \u22120.34), better 4\u2010week clinical success (OR 1.94, 95% CI: 1.00 to 3.77), and higher procedure costs (SMD 1.38, 95% CI: 0.56 to 2.20). No significant differences were observed in hospital stay (SMD \u20100.05, 95% CI: \u20100.35 to 0.25), technical success (OR 1.45, 95% CI: 0.22 to 9.43), clinical success (OR 1.13, 95% CI: 0.54 to 2.39), interventions (SMD \u20100.02, 95% CI: \u20100.34 to 0.29), need for necrosectomy (RR 1.10, 95% CI: 0.59 to 2.04), necrosectomy sessions (SMD 0.35, 95% CI: \u20100.42 to 1.11), need for percutaneous drainage (RR 0.82, 95% CI: 0.36 to 1.85), stent migration (RR 0.88, 95% CI: 0.29 to 2.66), bleeding (RR 0.97, 95% CI: 0.53 to 1.75), WON recurrence (RR 1.66, 95% CI: 0.70 to 3.92), treatment failure (death) (RR 0.75, 95% CI: 0.37 to 1.53), disconnected pancreatic duct (RR 0.93, 95% CI: 0.79 to 1.11), and total cost (SMD \u20100.02, 95% CI: \u20100.29 to 0.26).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Metal stents offer shorter procedure time and better 4\u2010week clinical success, although at a higher cost, with most clinical outcomes showing no significant differences between stent types.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jgh3.70109","type":"journal-article","created":{"date-parts":[[2025,2,3]],"date-time":"2025-02-03T09:24:35Z","timestamp":1738574675000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Efficacy of Metal Stents Versus Plastic Stents for Treatment of Walled\u2010Off Pancreatic Necrosis: A Systematic Review and Meta\u2010Analysis"],"prefix":"10.1002","volume":"9","author":[{"given":"Yousaf","family":"Zafar","sequence":"first","affiliation":[{"name":"Department of Internal Medicine University of Mississippi Medical Center  Jackson USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muhammad Umer","family":"Sohail","sequence":"additional","affiliation":[{"name":"Department of Medicine Dow University of Health Sciences  Karachi Pakistan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zainab 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