Abstract
Background
Pancreatic fluid collections (PFCs) may recur after resolution with endoscopic transmural drainage (ETD) and standard stent removal (SSR). Herein, we compared the efficacy and safety of leaving long-term indwelling plastic stents (LTIS) vs. standard stent removal after PFC resolution with ETD.
Methods
We performed a systematic review of MEDLINE, EMBASE, CINAHL, Scopus, and Cochrane databases from inception to September 2022. Full-text articles comparing long-term (> 6 months) outcomes of LTIS and SSR were eligible, as well as single-arm studies with ≥ 10 patients with LTIS. Two independent reviewers selected studies, extracted data, and assessed the risk of bias using the Newcastle–Ottawa Scale. Measured outcomes included the following: (A) PFC recurrence; (B) interventions for PFC recurrence; (C) technical success; and (D) adverse events (AEs). Meta-analysis was carried out using random-effects models.
Results
We included 16 studies, encompassing 1285 patients. Compared to SSR after PFC resolution with ETD, LTIS was associated with significantly lower risk of PFC recurrence (3% vs. 23%; OR 0.22 [95%CI 0.09–0.52]; I2 = 45%) and need for interventions (2% vs. 14%; OR 0.35 [95%CI 0.16–0.78]; I2 = 0%). The superiority of LTIS on reducing PFC recurrence was found with walled-off necrosis, with or without disconnected pancreatic duct, and with placement of ≥ 2 LTIS. When using LTIS, the pooled proportion of AEs was 8% (95%CI 4–11%) and technical success was 93% (95%CI 86–99%).
Conclusions
Our results show that LTIS after PFC resolution with ETD is feasible, safe, and superior to SSR in reducing the risk of PFC recurrence and need for interventions.
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Study concept and design: FH, JDM. Statistical analysis: JC. Drafting of the manuscript: FH, JDM. Generation of data: FH, AV. Critical revision of the manuscript: FH, JDM. Data interpretation, final approval of the manuscript: all authors.
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Jorge D. Machicado is a speaker for Mauna Kea Technologies. The remaining authors (Fadi Hawa, Jean M. Chalhoub, Ana Vilela, Elit Quingalahua, Carol Shannon, George M. Philips, Richard S. Kwon, Erik-Jan Wamsteker, Allison R. Schulman, and Matthew J. DiMagno) have no conflicts of interest or financial ties to disclose.
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Hawa, F., Chalhoub, J.M., Vilela, A. et al. Efficacy and safety of long-term indwelling plastic stents after resolution of pancreatic fluid collections with endoscopic transmural drainage: a systematic review and meta-analysis. Surg Endosc 38, 2350–2358 (2024). https://doi.org/10.1007/s00464-024-10784-0
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DOI: https://doi.org/10.1007/s00464-024-10784-0