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      Drenaje de pseudoquiste pancreático guiado por ecoendoscopia sin fluoroscopia: serie de casos Translated title: Case Series of Drainage of Pancreatic Pseudocysts Guided by Echoendoscopy without Fluoroscopy

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          Abstract

          Resumen Introducción: los pseudoquistes pancreáticos pueden ser drenados por métodos quirúrgicos, laparoscópicos, percutáneos y endoscópicos. Este último es el más aceptado en la actualidad dado que es más simple y genera menos morbimortalidad; sin embargo, siempre se ha descrito asociado con el uso de la fluoroscopia, lo cual le suma complejidad. En este trabajo presentamos nuestra técnica de drenaje sin fluoroscopia guiado por ecoendoscopia. Materiales y métodos: el objetivo de este trabajo es describir una técnica de drenaje de pseudoquistes pancreáticos sin el uso de fluoroscopia y con la guía del ecoendoscopio. Se reporta una serie de casos de 10 pacientes a quienes se les realizó drenaje transgástrico, en los que se describen la técnica, complicaciones y resultados en el seguimiento. Resultados: se incluyeron 10 pacientes consecutivos, 5 pacientes eran mujeres y 5 hombres. El 90% de los casos comprometía el cuerpo del páncreas. Se implantó exitosamente 1 stent (metálico) transmural (cistogastrostomía) solo con guía ecoendoscópica en 9 pacientes; en 1 paciente no se logró liberar el stent, por lo cual se realizó el drenaje por aspiración. Los 9 pacientes a quienes se les implantó stent no presentaron recidiva; la paciente a quien se realizó drenaje por aspiración presentó recidiva a nivel del cuerpo de páncreas. La principal complicación fue la migración del stent hacia la cavidad del pseudoquiste en 1 paciente, el cual requirió segundo tiempo endoscópico para retirarlo. Conclusiones: el drenaje transmural del pseudoquiste pancreático con implante de stent es una técnica mínimamente invasiva, segura y efectiva para el tratamiento del pseudoquiste pancreático.

          Translated abstract

          Abstract Introduction: Pancreatic pseudocysts can be drained by surgical, laparoscopic, percutaneous, and endoscopic methods. Endoscopic methods have become the most widely accepted nowadays since they are simpler and generate less morbidity and mortality. They have always been associated with the use of fluoroscopy, which adds complexity. This study presents our drainage technique which is guided by echoendoscopy rather than fluoroscopy. Materials and methods: The objective of this study is to describe a technique for drainage of pancreatic pseudocysts which does not use fluoroscopy to guide the endoscope. Instead, echoendoscopy guides the instrument. We report a case series of 10 patients who underwent transgastric drainage and describe the technique, complications and results during follow-up. Results: Ten consecutive patients, five women and five men, were included in this study. Ninety percent were cases in which the body of the pancreas had been compromised. Cystogastrostomy was successfully performed in nine patients. It consisted of implantation of a transmural metallic stent under single endoscopic guidance. In one patient the stent was not released and aspiration drainage was performed. The nine patients who had stents implanted have presented no recurrences, but the patient who underwent aspiration drainage presented recurrence in the body of the pancreas. The main complication was migration of the stent into the pseudocyst cavity which occurred in one patient and which required a second endoscopic procedure to remove the stent. Conclusions: Transmural drainage of pancreatic pseudocysts through placement of stents is a safe, effective and minimally invasive technique for the treatment of pancreatic pseudocysts.

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          Endoscopic ultrasound-guided versus conventional transmural drainage for pancreatic pseudocysts: a prospective randomized trial.

          Although endoscopic ultrasound (EUS)-guided transmural drainage (EUD) is preferred over conventional transmural drainage (CTD) of pancreatic pseudocysts by endoscopy in many centers, its superiority with respect to technical success and clinical outcome has not yet been demonstrated in a prospective randomized trial. We conducted this prospective randomized trial to compare the technical success and clinical outcomes of EUD and CTD in treating pancreatic pseudocysts. A total of 60 consecutive patients with pancreatic pseudocysts were randomly divided into two groups to undergo either EUD (n = 31) or CTD (n = 29) of pancreatic pseudocysts. The technical success rate, complications, and short-term and long-term results were prospectively evaluated. The rate of technical success of the drainage was higher for EUD (94 %, 29/31) than for CTD (72 %, 21/29; P = 0.039) in intention-to-treat analysis. In cases where CTD failed (n = 8), because the pseudocysts were nonbulging, a crossover was made to EUD, which was successfully performed in all these patients. Complications occurred in 7 % of the EUD and 10 % of the CTD group ( P = 0.67). During short-term follow-up, pseudocyst resolution was achieved in 97 % (28/29) in the EUD group and in 91 % (19/21) in the CTD group ( P = 0.565). Long-term results analyzed on a per-protocol basis showed no significant difference in clinical outcomes between EUD (89 %, 33/37) and CTD (86 %, 18/21, P = 0.696). We found that EUD and CTD can both be considered first-line methods of endoscopic transmural drainage of bulging pseudocysts, whereas EUD should be preferred for nonbulging pseudocysts. Georg Thieme Verlag KG Stuttgart. New York.
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            Endoscopic-ultrasound-guided endoscopic transmural drainage of pancreatic pseudocysts and abscesses.

            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. 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. 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). Endoscopic transmural drainage is a minimally invasive, effective and safe approach in the management of pancreatic pseudocysts and abscesses.
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              Metal versus plastic for pancreatic pseudocyst drainage: clinical outcomes and success.

              Endoscopic transmural drainage of pancreatic pseudocysts (PPs) by using double-pigtail (DP) plastic stents requires placement of multiple stents and can be restricted by inadequate drainage and leakage risk. Recently, the use of fully covered self-expanding metal stents (FCSEMSs) has been reported as an alternative to DP plastic stents.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rcg
                Revista Colombiana de Gastroenterologia
                Rev Col Gastroenterol
                Asociación Colombiana de Gastroenterología (Bogotá, , Colombia )
                0120-9957
                June 2017
                : 32
                : 2
                : 160-165
                Affiliations
                [2] Bogotá orgnameUniversidad Nacional de Colombia Colombia
                [3] Bogotá orgnameHospital Nacional Universitario Colombia
                [1] Bogotá orgnameUniversidad Nacional de Colombia Colombia
                Article
                S0120-99572017000200160
                10.22516/25007440.143
                84cccbb0-0ce5-4c27-8ab3-35e5829aa633

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 05 November 2015
                : 21 April 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 6
                Product

                SciELO Colombia


                pseudocysts,drainage,Pancreatitis,drenaje,ecoendoscopia,pseudoquiste,echoendoscopy

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