Year 2019 / Volume 111 / Number 9
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Year 2019 / Volume 111 / Number 9


Endoscopic biliary drainage in unresectable biliary obstruction: the role of endoscopic ultrasound-guidance in a cohort study


Manuel Puga, Natàlia Pallarès, Julio Velásquez-Rodríguez, Albert García-Sumalla, Claudia F. Consiglieri, Juli Busquets, Berta Laquente, Mariona Calvo, Joan Fabregat, José Castellote, Joan B. Gornals,

Background and study aims: the use of endoscopic ultrasound-guided biliary drainage (EUS-BD) has increased in cases of failed endoscopic retrograde cholangiopancreatography (ERCP) and there are some concerns. The main aim of the study was to determine the role of EUS-BD in a palliative case cohort. The secondary aim was to compare the efficacy, safety and survival of EUS-BD and ERCP procedures. Patients and methods: this was an observational study at a single tertiary institution, with a consecutive inclusion from January 2015 to December 2016. The inclusion criteria were unresectable tumors of the biliopancreatic region with an indication of BD. Statistical comparison analysis was performed between the ERCP and EUS-BD groups. The incidence between groups was compared using the Chi-square and Fisher exact tests. The log rank test was used to compare the risk of death. Results: fifty-two cases with an indication of palliative BD were included in the study. Transpapillary drainage via ERCP was possible in 44 procedures and EUS-BD was required in eight cases; 15.4% of the cohort and seven using lumen apposing metal stent (LAMS). The technical and clinical success of global endoscopic BD was 100% and 88.5% (ERCP: 84.6% and 78.9%; EUS-BD: 100% and 62.5%, respectively). Pancreatitis was the most frequent adverse event (AE) in the ERCP group (9.62%) and bleeding in the EUS-BD (25%). There were fatal AEs in ERCP (1.9%) and EUS-BD (25%) cases. Patient survival was higher with ERCP transpapillary stents compared to EUS-guided stents, which was statistically significant (p = 0.007). Conclusions: the requirement of EUS-BD in palliative biliopancreatic pathology is not marginal. EUS-BD is associated with a lower survival rate and a higher rate of fatal AE, which argues against its use as a first choice procedure.

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The Spanish Journal of Gastroenterology is the official organ of the Sociedad Española de Patología Digestiva, the Sociedad Española de Endoscopia Digestiva and the Asociación Española de Ecografía Digestiva
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