EUS-guided Transmural Drainage of Walled-off Pancreatic Necrosis: Plastic vs Metallic Protesis.

Randomized Multicenter Study Comparing Plastic Stents and Self-expanding Metallic Stents Used in the Eus-guided Transmural Drainage of Walled-off Pancreatic Necrosis.

Randomized multicenter study comparing plastic stents and self-expanding metallic stents in the eus-guided transmural drainage of walled-off pancreatic necrosis.

Spanish centers partners of the spanish society of digestive endoscopy.

Inclusion Criteria:

• Age greater than or equal to 18 years
• Patient with indication (ASGE, Jacobson BC, GIE2005;) of pancreatic collection drainage type WALLED-OFF PANCREATIC NECROSIS * as a local complication of previous acute pancreatitis.
• Patient trained to understand and / or sign informed consent
• Patient who understands the type of study and will comply with all follow-up of complementary tests during its duration

Exclusion Criteria:

• Pregnancy or breastfeeding
• Severe coagulation disorder: INR> 1.5 not correctable with plasma and / or platelet administration <50,000 / mm3
• Asymptomatic patients, with no clinical indication of drainage, except for those with vascular involvement due to compression (eg stenosis, splenic vessels with collateral circulation, and risk of bleeding)
• Non-identification of solid content during the Endoscopic Ultrasound of the procedure
• No informed consent
• In the case of patients with mental retardation, without the ability to understand the nature and possible consequences of the study, except for the existence of a legal representative
• Patients unable to maintain posterior follow-up (lack of adherence)
• Situations that do not allow the practice of a high digestive endoscopy (eg, stenosis)