Andreas Thorsen1, Anders Malthe Borch2, Srdan Novovic2, Palle Nordblad Schmidt2, Lise Lotte Gluud2. 1. Department of Gastroenterology and Gastrointestinal Surgery, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, 2650, Hvidovre, Denmark. Andreas.thorsen1@gmail.com. 2. Department of Gastroenterology and Gastrointestinal Surgery, Copenhagen University Hospital Hvidovre, Kettegård Allé 30, 2650, Hvidovre, Denmark.
Abstract
BACKGROUND: The recommended treatment of infected walled-off necrosis (WON) in necrotizing pancreatitis entails a step-up treatment approach starting with endoscopic necrosectomy (ETDN). AIMS: To report a small number of cases from 2013 to 2016 that were not amenable to or failed to respond to ETDN, and to describe a new, minimally invasive technique that may be a promising supplement to ETDN in this difficult patient population. METHODS: Using the Seldinger technique, a fully covered self-expanding metal stent (SEMS) was placed percutaneously in order to drain, irrigate, and debride WON. After resolution, the stent was removed. We reviewed electronic patient records and defined clinical success as complete WON resolution with removal of internal as well as percutaneous drains and stents. RESULTS: Five patients underwent treatment with SEMS placement. The mean length of the WON was 33.4 cm. Clinical success was achieved in four patients after an average of 5.75 necrosectomy sessions. One patient died from severe sepsis. Adverse events included severe abdominal pain and productive cutaneous fistulae (two patients). CONCLUSIONS: In our small case series, endoscopic necrosectomy through a percutaneous SEMS seemed beneficial and safe in the treatment of infected WON.
BACKGROUND: The recommended treatment of infected walled-off necrosis (WON) in necrotizing pancreatitis entails a step-up treatment approach starting with endoscopic necrosectomy (ETDN). AIMS: To report a small number of cases from 2013 to 2016 that were not amenable to or failed to respond to ETDN, and to describe a new, minimally invasive technique that may be a promising supplement to ETDN in this difficult patient population. METHODS: Using the Seldinger technique, a fully covered self-expanding metal stent (SEMS) was placed percutaneously in order to drain, irrigate, and debride WON. After resolution, the stent was removed. We reviewed electronic patient records and defined clinical success as complete WON resolution with removal of internal as well as percutaneous drains and stents. RESULTS: Five patients underwent treatment with SEMS placement. The mean length of the WON was 33.4 cm. Clinical success was achieved in four patients after an average of 5.75 necrosectomy sessions. One patient died from severe sepsis. Adverse events included severe abdominal pain and productive cutaneous fistulae (two patients). CONCLUSIONS: In our small case series, endoscopic necrosectomy through a percutaneous SEMS seemed beneficial and safe in the treatment of infected WON.
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