Abstract

BACKGROUND: In approximately 20% of patients, necrotizing pancreatitis is complicated with severe acute pancreatitis, with high morbidity and mortality rates. Minimally invasive step-up approach is both safe and effective, but sometimes requires multiple access sites. METHODS: A 62-year-old woman was admitted with diabetic ketoacidosis, and initial computed tomography (CT) revealed no evidence of acute pancreatitis. She was clinically improved with insulin therapy, fluid administration, and electrolyte replacement. However, on the 14th day of admission, she developed a high-grade fever, and CT demonstrated evidence of acute necrotizing pancreatitis with a large collection of peripancreatic fluid. Percutaneous transgastric drainage was performed and a 14 French gauge (Fr) pigtail catheter was placed 1 week later, which drained copious pus. Because of persistent high-grade fever and poor clinical improvement, multiple 8 and 10 Fr pigtail catheters were placed via the initial drainage route, allowing the safe and effective drainage of the extensive necrotic tissue that was occupying the bilateral anterior pararenal space. RESULTS: After drainage, the patient recovered well and the last catheter was removed on day 123 of admission. CONCLUSIONS: Multiple percutaneous drainage requires both careful judgment and specialist skills. The perforation of the colon and small bowel as well as the injury of the kidney and major vessels can occur. The current technique appears to be safe and minimally invasive compared with other drainage methods in patients with extended, infected necrotic pancreatic pseudocysts.

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