A New Step-Up Dual Endoscopic Approach for Large-Size Infected Pancreatic Necrosis: Percutaneous Endoscopic Necrosectomy Followed by Transluminal Endoscopic Drainage/Necrosectomy

Author:

Mangiafico Santi1,Bertani Helga1,Pigò Flavia1,Russo Salvatore1,Lupo Marinella1,Cocca Silvia1,Grande Giuseppe1,Germani Ugo2,Manta Raffaele2,Conigliaro Rita1

Affiliation:

1. Gastroenterology and Digestive Endoscopy Unit, University Hospital of Modena (Baggiovara-Policlinico), Modena

2. Gastroenterology and Digestive Endoscopy Unit, Santa Maria Della Misericordia Hospital of Perugia, Perugia, Italy

Abstract

Background: Acute pancreatitis in 10% to 20% of cases can be associated with necrosis of the pancreatic gland, peripancreatic tissue, or both. We report a case series of a new endoscopic approach to treat infected pancreatic necrosis (IPN). Patients and Methods: Consecutive patients with IPN, extending from the perigastric area up to the paracolic gutters or into the pelvis, were prospectively studied from January 2017 to June 2022. The treatment protocol was radiologic percutaneous drainage as the first step, followed by fully covered metal stent placement (FC-SEMS) in the track of the catheter. Percutaneous endoscopic necrosectomy (PEN) was performed 2 to 4 days later using a flexible endoscope through the percutaneous tract. About 2 to 4 weeks later, when a matured sac was visible, EUS-guided endoscopic transluminal drainage (ETD) with lumen-apposing metal stents (LAMS) was performed. Control of sepsis with resolution of collection(s) was the primary outcome measure. Results: We included 18 patients, males in 50% of cases with age 60±12 years old. Most frequent cause of pancreatitis was biliary (7 cases) followed by alcoholic in 6 cases; in 3 cases pancreatitis was caused by hyperlipemia and in 2 cases was idiopathic. Mean size of WON was 18±2 cm. For PEN, SEMSs used were esophageal FC-SEMS. LAMS used for ETD were Hot Axios, Hot Spaxus and Nagistent. Mean time of endoscopic intervention for PEN and ETD was 18±3 and 37±4 days, respectively. In 5 cases adverse events occurred: 3 cases of overinflations resolved with introduction of Verres needles in abdomen. In 2 cases postprocedural GI bleeding required endoscopic intervention. In all cases control of sepsis was reached together with resolution of collections. No cases of deaths were observed. Conclusions: Step-up percutaneous and transluminal endoscopic necrosectomy therapy is an effective strategy for large-size IPN with combined central and peripheral necrosis.

Publisher

Ovid Technologies (Wolters Kluwer Health)

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