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Endosc Ultrasound. 2019 Aug 9. doi: 10.4103/eus.eus_39_19. [Epub ahead of print]

Therapeutic EUS: New tools, new devices, new applications.

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Translational Gastroenterology Unit, Oxford University Hospitals NHS Foundation Trust, Oxford, UK.
Department of Medicine, Caritas-Krankenhaus, Uhlandstr, Bad Mergentheim, Germany.


Linear echoendoscopes with large instrument channels enable EUS-guided interventions in organs and anatomical spaces in proximity to the gastrointestinal tract. Novel devices and tools designed for EUS-guided transluminal interventions allow various new applications and improve the efficacy and safety of these procedures. New-generation biopsy needles provide higher histology rates and require less passes. Specially designed stents and stent insertion devices enable intra- and extra-hepatic bile and pancreatic duct stenting as well as gallbladder drainage. Currently, EUS-guided biliary drainage in obstructive jaundice due to malignant distal bile duct obstruction is feasible and safe when ERCP has failed. It might replace ERCP as first choice intervention in future. EUS-guided transmural stenting is regarded as the preferred intervention in the management of symptomatic peripancreatic fluid collections. Creating a new anastomosis between different organs such as gastrojejunostomy has also become possible with lumen-apposing stents. EUS-guided creation of a gastrogastrostomy is a promising novel technique to access the excluded stomach to facilitate conventional ERCP in patients with Roux-en-Y gastric bypass anatomy. The role of EUS in tumor ablation and targeted angiotherapy is also constantly expanding. In this review, we report on the newest developments of therapeutic EUS within the past 4 years.


Biliary drainage; Roux-en-Y gastric bypass anatomy; peripancreatic collection; targeted angiotherapy

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