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Erschienen in:
19.02.2020
Endoscopic drainage with local infusion of antibiotics to avoid necrosectomy of infected walled-off necrosis
Erschienen in: Surgical Endoscopy | Ausgabe 2/2021
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Background
Current treatment of infected pancreatic necrosis (IPN) follows a step-up approach. Our group designed a step-up protocol that associates endoscopic drainage with local infusion of antibiotics through transmural nasocystic catheter. Aim of our study was to evaluate our step-up protocol for IPN in terms of proportion of patients avoiding necrosectomy.
Methods
Retrospective analysis of patients admitted with acute pancreatitis (AP) between January 2015 and December 2018. The number of patients who responded to each therapeutic step were analysed: step 1, systemic antibiotics; step 2, endoscopic transmural drainage and local infusion of antibiotics; step 3, endoscopic necrosectomy.
Results
1158 patients with AP were included. 110 patients (8.4%) suffered from necrotising pancreatitis; 48 of them had IPN (42.6% of necrotising pancreatitis) and were treated with systemic antibiotics. Nineteen patients (39.6% of IPN) responded and did not required any invasive therapy. Six patients with IPN on systemic antibiotics died within the first 4 weeks of disease before step 2 could be applied. Urgent surgical necrosectomy in the first 4 weeks was performed in three additional patients. Endoscopic drainage and local antibiotic therapy was performed in the remaining 20 patients; 9 (45% of them) did well and 9 patients underwent necrosectomy (18.7% of IPN). Two patients died on drainage. Overall mortality of the total cohort of AP was 2.53%
Conclusions
Addition of local infusion of antibiotics to endoscopic drainage avoids the need of necrosectomy in half of patients with IPN not responding to systemic antibiotics.