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Utility of palliative EUS-guided biliary drainage using lumen-apposing metal stents : a prospective multicenter feasibility study (with video)
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Background and aims:Biliary drainage with ERCP is successful in only 80% to 90% of extrahepatic cholangiocarcinoma and pancreatic cancer. We present the results of a multicenter prospective study assessing the safety, feasibility, and quality of life of patients after EUS-guided biliary drainage (EUS-BD) with lumen-apposing metal stents (LAMSs), after failed ERCP.
Methods: All consecutive adults with a dilated common bile duct (CBD) =14 mm secondary to inoperable malignant distal common bile duct (CBD) stricture and failed ERCP biliary drainage were screened and recruited from 3 tertiary U.K. centers. Technical success of EUS-BD using LAMSs was the primary endpoint. Improvement in serum bilirubin, 30-day mortality, procedure-related adverse events, and quality of life were secondary endpoints. The quality of life improvement was measured using a validated questionnaire (EORTC QLQ-BIL21).
Results: Twenty patients were included in analysis. EUS-BD was technically successful in all patients and the clinical success was 95% (19/20) at day 7 (>50% reduction in bilirubin) and 92.3% (12/13) at day 30 (bilirubin <50 µmol/L). There were significant improvements in overall quality of life score (49 vs 42, p=0.03) at day 30. All cause 30-day mortality was 20% and the moderate adverse event rate was 10% (1 cholangitis and 1 stent migration).
Conclusion:EUS-BD has acceptable technical success and safety as a second line palliative treatment for inoperable malignant distal CBD strictures. Randomized controlled studies comparing EUS-BD with percutaneous transhepatic biliary drainage (PTBD) are needed to determine their effectiveness in clinical practice.
http://dx.doi.org/10.1016/j.gie.2021.01.029
Voir la revue «Gastrointestinal Endoscopy»
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