Background /Aims: Options for the endoscopic management of symptomatic pancreatic fluid collections (PFCs) include transmural drainage (TM) alone, transpapillary drainage (TP) alone, or a combination of both drainage method (CD). There have been conflicting reports about the best method. This study performed a meta-analysis to determine whether CD presents an added clinical benefit over TM.
Methods The included studies compared TM with CD and reported clinical success for both methods. A random-effects model was used to determine the pooled odds ratios (ORs) and the 95% confidence intervals (CIs) for the following outcomes: technical success, clinical success, complications, and recurrence.
Results Nine studies involving a combined total of 604 drainage procedures—373 TMs (62%) and 231 CDs (38%)—were included. CD showed no additional benefit over TM in terms of technical success (OR, 1.12; 95% CI, 0.37–3.37; p=0.85), clinical success (OR, 1.11; 95% CI, 0.65–1.89; p=0.70), recurrence (OR, 1.49; 95% CI, 0.53–4.21; p=0.45), or complications (OR, 1.15; 95% CI, 0.61–2.18; p=0.67).
Conclusions Pancreatic duct (PD) stenting provides no additional clinical benefit for the TM of PFCs (particularly pseudocysts). Patients undergoing the TM of symptomatic pseudocysts may not require endoscopic retrograde pancreatography (ERP).
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