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  • Title: Endoscopic-ultrasound-guided endoscopic transmural drainage of pancreatic pseudocysts and abscesses.
    Author: Lopes CV, Pesenti C, Bories E, Caillol F, Giovannini M.
    Journal: Scand J Gastroenterol; 2007 Apr; 42(4):524-9. PubMed ID: 17454865.
    Abstract:
    OBJECTIVE: Surgery is the traditional treatment for symptomatic pancreatic pseudocysts and abscesses, but morbidity and mortality are still too high. Minimally invasive approaches have been encouraged. The aim of this study was to evaluate the results of the endoscopic-ultrasound-guided (EUS) endoscopic transmural drainage of these pancreatic collections. MATERIAL AND METHODS: In this retrospective review of consecutive cases from a single referral centre, cystogastrostomy and cystoduodenostomy were created with an interventional linear echoendoscope under endosonographic and fluoroscopic control by the endoscopic insertion of straight or double pigtail stents. RESULTS: Fifty-one symptomatic patients (33 men; mean age 58 years) were submitted to 62 procedures from January 2003 to December 2005. EUS-guided drainage was successful in 48 (94%) patients. Only three patients needed surgery. There were two procedure-related complications managed clinically. During a mean follow-up of 39 weeks, recurrence due to migration or obstruction of the stent was 17.7%. All these cases were submitted to a new session of endoscopic drainage. There was no mortality. Complications were more frequent in patients with a recent episode of acute pancreatitis (38.5% versus 10%; p=0.083). The endoscopic approach was not more hazardous for abscesses in regard to complications rate (19% versus 16.6%; p>0.05). In abscesses, a nasocystic drain did not decrease the complications rate (27% versus 13%; p=0.619), but the placement of 2 stents did decrease this rate (18% versus 20%; p>0.05), although increased it in pseudocysts (40% versus 13%; p=0.185). CONCLUSIONS: Endoscopic transmural drainage is a minimally invasive, effective and safe approach in the management of pancreatic pseudocysts and abscesses.
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