Timing of Necrosectomy After Endoscopic Drainage of Walled-off Pancreatic Necrosis (WON)

Endoscopic necrosectomy will be performed with a forward-viewing gastroscope into the WON cavity. Debridement of necrotic tissue will be performed with irrigation and/or mechanical removal with endoscopic instruments. For this arm, step up approach will be adopted.

Endoscopic necrosectomy will be performed with a forward-viewing gastroscope into the WON cavity. Debridement of necrotic tissue will be performed with irrigation and/or mechanical removal with endoscopic instruments. For this arm, the direct approach will be adopted.