JOURNAL ARTICLE
META-ANALYSIS
REVIEW
SYSTEMATIC REVIEW
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Effect of precut sphincterotomy on post-endoscopic retrograde cholangiopancreatography pancreatitis: a systematic review and meta-analysis.

AIM: To conduct a systemic review and meta-analysis to investigate the role of early precut technique. Multiple randomized controlled trails (RCTs) have reported conflicting results of the early precut sphincterotomy.

METHODS: MEDLINE/PubMed, EMBASE, Cochrane Central Register of Controlled Trials and Database of Systematic Reviews, and recent abstracts from major conference proceedings were searched (June 2013). Randomized and non-randomized studies comparing early precut technique with prolonged standard methods were included. Pooled estimates of post-endoscopic retrograde cholangiopancreatography (ERCP) pancreatitis (PEP), cannulation and adverse events were analyzed by using odds ratio (OR). Random and fixed effects models were used as appropriate. Publication bias was assessed by funnel plots. Heterogeneity among studies was assessed by calculating I² measure of inconsistency.

RESULTS: Seven randomized and seven non-randomized trials met inclusion criteria. Meta-analysis of RCTs showed a decrease trend for PEP with early precut sphincterotomy but was not statistically significant (OR = 0.58; 95%CI: 0.32-1.05; P = 0.07). No heterogeneity was noted among the studies with I² of 0%.

CONCLUSION: Early precut technique for common bile duct cannulation decreases the trend of post-ERCP pancreatitis.

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