Journal
SURGICAL ENDOSCOPY AND OTHER INTERVENTIONAL TECHNIQUES
Volume 35, Issue 8, Pages 4873-4881Publisher
SPRINGER
DOI: 10.1007/s00464-021-08435-9
Keywords
Lumen apposing stent; Biliary drainage; Endoscopic ultrasound; Pancreatic neoplasm; Plastic stent; Therapeutic endoscopy
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This multicentre retrospective study compared the efficacy of using LAMS alone versus LAMS plus DPS in EUS-guided CDS. Clinical success, adverse event rate, recurrent biliary obstruction rate, and survival rate did not differ significantly between the two strategies in technically successful cases. The group with DPS had a longer procedure time.
Background There are uncertainties concerning the possible benefits derived from the insertion of double-pigtail plastic stents (DPS) within lumen-apposing metal stents (LAMS) in EUS-guided choledochoduodenostomy (CDS). The aim of this study was to determine whether a DPS within a biliary LAMS offers a potential benefit in EUS-guided CDS for the palliative management of malignant biliary obstruction. Methods This was a multicentre retrospective study at three tertiary institutions. Period: May 2015 to August 2020. Two interventional strategies (LAMS alone and LAMS plus DPS) were compared. The choice was the endoscopist's discretion. Inclusion: unresectable/inoperable biliopancreatic tumours with previous failed ERCP. Clinical success: bilirubin decrease > 30% at 4 weeks. Results Forty-one consecutive cases of EUS-CDS using biliary LAMS were treated (22 women; mean age, 72.3 years) during the study period. The procedure was technically successful in 39 (95.1%), who were managed using the two strategies (22 LAMS alone; 17 LAMS plus DPS). No differences between the groups, in terms of clinical success (77.3 vs 87.5%, p = 0.67), adverse events (AEs, 13.6 vs 11.8%, p = 0.99), recurrent biliary obstruction (RBO, 13.6 vs 23.5%, p = 0.67), or survival rate (p = 0.67) were encountered. The LAMS alone group had a shorter length of procedure (50 min vs 66 min, p = 0.102). No risk factors related to clinical success, AEs, RBO, or survival were detected. Conclusions The technical variant of adding a coaxial DPS within LAMS in EUS-CDS seems not to be enough to prevent biliary morbidities, and it is a time-consuming strategy. Although prospective studies are needed, these results do not support its routine use.
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