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  • Title: Placement of prophylactic pancreatic stents to prevent post-endoscopic retrograde cholangiopancreatography pancreatitis in high-risk patients: a meta-analysis.
    Author: Shi QQ, Ning XY, Zhan LL, Tang GD, Lv XP.
    Journal: World J Gastroenterol; 2014 Jun 14; 20(22):7040-8. PubMed ID: 24944500.
    Abstract:
    AIM: To assess the effectiveness of pancreatic stents for preventing pancreatitis in high-risk patients after endoscopic retrograde cholangiopancreatography (ERCP). METHODS: PubMed, Embase, Science Citation Index, and Cochrane Controlled Trials Register were searched to identify relevant trials published in English. Inclusion and exclusion criteria were used to screen for suitable studies. Two reviewers independently judged the study eligibility while screening the citations. The methodological quality of the included trials was assessed using the Jadad scoring system. All results were expressed as OR and 95%CI. Data were analyzed using Stata12.0 software. RESULTS: Ten eligible randomized controlled trials were selected, including 1176 patients. A fixed-effects model in meta-analysis supported that pancreatic duct stents significantly decreased the incidence of post-ERCP pancreatitis (PEP) in high-risk patients (OR = 0.25; 95%CI: 0.17-0.38; P < 0.001). Pancreatic stents also alleviated the severity of PEP (mild pancreatitis after ERCP: OR = 0.33; 95%CI: 0.21-0.54; P < 0.001; moderate pancreatitis after ERCP: OR = 0.30; 95%CI: 0.13-0.67; P = 0.004). The result of severe pancreatitis after ERCP was handled more rigorously (OR = 0.24; 95%CI: 0.05-1.16; P = 0.077). Serum amylase levels were not different between patients with pancreatic stents and control patients (OR = 1.08; 95%CI: 0.82-1.41; P = 0.586). CONCLUSION: Placement of prophylactic pancreatic stents may lower the incidence of post-ERCP pancreatitis in high-risk patients and alleviate the severity of this condition.
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