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DOI: 10.1055/s-0042-122419
Over-the-scope clip placement and endosponge insertion for prevention of pancreatic enzyme-induced duodenal damage after large duodenal endoscopic resection
A 61-year-old woman with familial adenomatous polyposis and previous proctocolectomy was admitted for resection of duodenal adenomas (Spigelman classification IV). A formation of two confluent adenomas with low grade dysplasia, measuring 3.5 × 2.5 cm with a central depression (laterally spreading tumor mixed type; Paris IIa + c), was found at the lower duodenal knee (D2/D3) ([Fig. 1 a]).
After an attempt of endoscopic mucosal resection, endoscopic submucosal dissection was performed using hydroxyethyl starch with indigo carmine blue and a 1.5 mm FlushKnife (straight type; Fujifilm, Tokyo, Japan) ([Fig. 1 b]). After complete resection, the denuded area had a size of 4 × 3 cm ([Fig. 1 c]). Two atraumatic, 17.5 mm, over-the-scope clips ‚type a‘ (OTSC; Ovesco, Tuebingen, Germany) were placed to reduce the size of the unprotected area; standard hemoclips were also placed ([Fig. 1 d]). However, the flow of pancreatic and biliary secretions was seen to slow. Therefore, in order to protect the mucosa from the digestive enzymes, additional duodenal vacuum sponge implantation was performed.
The vacuum sponge, 2.5 cm long and 1.8 cm wide (Endo-Vac; Braun, Melsungen, Germany), was introduced via an overtube (US Endoscopy, Mentor, Ohio, USA), and then transported to the duodenum using a rat tooth forceps ([Fig. 1 e]). The tube was externalized via the nose, and suction of – 125 mmHg was started. Pantoprazole 40 mg was administered three times a day to reduce gastric secretion. Follow-up endoscopy on postoperative Day 4 showed the sponge still in place. After sponge retrieval, no signs of perforation or aberrant wound healing were present ([Fig. 1 f]). The clinical course was uneventful, and laboratory results returned to normal values.
Widespread endoscopic resection of duodenal tumors is technically feasible but is associated with complications, such as delayed bleeding and perforation, in up to 30 % of cases [1] [2]. Vacuum sponge insertion is already used in endoscopic treatment for complicated abdominal surgery [3] [4]. We promote its use as prophylactic treatment in addition to OTSC placement after resection of large duodenal adenomas, in order to prevent perforation or bleeding due to damage caused by pancreatic and biliary juices.
Video 1: Over-the-scope clip placement and endosponge insertion for the protection of the duodenal mucosa following widespread endoscopic resection. Steps shown include attempted endoscopic mucosal resection, endoscopic submucosal dissection, clip placement (including over-the-scope clips), and endosponge insertion and retrieval. Follow-up endoscopy was performed on postoperative Day 4.Quality:
Endoscopy_UCTN_Code_TTT_1AO_2AN
Publication History
Article published online:
20 December 2016
© Georg Thieme Verlag KG
Stuttgart · New York
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References
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