The efficacy of endoscopic therapy for pancreas divisum: a meta-analysis

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Annals of Gastroenterology
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The efficacy of endoscopic therapy for pancreas divisum: a meta-analysis (EN)

Grigorian, Alla
Aslam, Bilal
Mardini, Houssam
Michailidis, Lamprinos

Background The purpose of this study was to perform a meta-analysis assessing the efficacy and predictors of success of endoscopic therapy in the management of patients with pancreas divisum.Methods An electronic database search (PubMed and ScienceDirect) was performed for relevant studies. Studies were selected based on predefined criteria and data were extracted on patient population, follow up, endotherapy methods, success rates and complication rates. A random-effect model was used to pool the effect size across studies. Heterogeneity testing and publication bias assessment were performed. Multivariate regression analysis was performed to identify predictors of successful endoscopic therapy.Results Of 381 articles reviewed, 23 studies with 874 patients met the inclusion criteria. All were case series with suboptimal quality. Endoscopic therapy included minor papilla sphincterotomy, minor papilla sphincteroplasty and dorsal duct stenting. Mean follow-up duration was 37 months. The rate of "improvement" as defined by authors after endoscopic therapy varied significantly across studies, ranging from 31-96%: 589/874 patients were reported to have improved, corresponding to a pooled efficacy rate of 67.5% (95% confidence interval [CI] 0.610-0.734; P=0.0001). The pooled rate of pancreatitis after endoscopic retrograde cholangiopancreatography was 10.1% (95%CI 0.084-0.124; 2-sided P=0.0001). On subgroup analysis, patients with recurrent acute pancreatitis had better endoscopic outcomes (pooled efficacy rate 76%, 95%CI 0.712-0.803, P=0.0001). Dorsal duct stenting and longer follow up were the only parameters predictive of successful endotherapy. Significant heterogeneity was observed within and across studies.Conclusions Endoscopic efficacy in pancreas divisum is estimated at 67.5%. Available studies are of poor quality with significant heterogeneity. Comparative studies with rigorous methodology are needed.Keywords Pancreas divisum, endoscopic therapy, minor papilla sphincterotomy, meta-analysis, systematic review, recurrent acute pancreatitis, chronic pancreatitisAnn Gastroenterol 2017; 30 (5): 550-558 (EN)


Αγγλική γλώσσα


Hellenic Society of Gastroenterology (EN)

Annals of Gastroenterology; Volume 30, No 5 (2017); 550 (EN)

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