World J Gastroenterol 2014 November 14; 20(42): 15916-15919 ISSN 1007-9327 (print) ISSN 2219-2840 (online) Submit a Manuscript: http://www.wjgnet.com/esps/ Help Desk: http://www.wjgnet.com/esps/helpdesk.aspx DOI: 10.3748/wjg.v20.i42.15916 © 2014 Baishideng Publishing Group Inc. All rights reserved. CASE REPORT Interesting rendezvous location in a liver transplantation patient with anastomosis stricture Bulent Odemis, Erkin Oztas, Mehmet Yurdakul, Serkan Torun, Nuredtin Suna, Ertugrul Kayacetin Bulent Odemis, Erkin Oztas, Serkan Torun, Nuredtin Suna, Ertugrul Kayacetin, Department of Gastroenterology, Yuksek Ihtisas Education and Research Hospital, 06100 Ankara, Turkey Mehmet Yurdakul, Department of Radiology, Yuksek Ihtisas Education and Research Hospital, 06100 Ankara, Turkey Author contributions: Odemis B and Kayacetin E performed endoscopic retrograde cholangiography; Yurdakul M performed percutaneous transhepatic cholangiography; Oztas E, Torun S and Suna N contributed equally to the writing of the manuscript. Correspondence to: Erkin Oztas, MD, Department of Gastroenterology, Yuksek Ihtisas Education and Research Hospital, Kizilay Str 4 Sihhiye, 06100 Ankara, Turkey. [email protected] Telephone: + 90-312-3061334 Fax: + 90-312-3124120 Received: March 19, 2014 Revised: June 3, 2014 Accepted: June 14, 2014 Published online: November 14, 2014 © 2014 Baishideng Publishing Group Inc. All rights reserved. Key words: Liver transplantation; Anastomosis stricture; Endoscopic radiologic rendezvous; Duodenal bulb Core tip: An endoscopic-radiologic rendezvous technique may be used for stent application in the treatment of biliary strictures where previous endoscopic retrograde cholangiopancreatography and percutaneous transhepatic attempts have failed. Recently, it was reported that successful endoscopic-radiologic rendezvous procedures were performed in the subhepatic space in patients with complete transections of the common bile duct, especially secondary to surgical injury. Herein, we report a modified rendezvous technique in the duodenal bulb as an extraordinary location in a patient with a duct-to-duct complete anastomotic stricture after liver transplantation. Abstract An endoscopic or radiologic percutaneous approach may be an initial minimally invasive method for treating biliary strictures after living donor liver transplantation; however, cannulation of biliary strictures is sometimes difficult due to the presence of a sharp or twisted angle within the stricture or a complete stricture. When an angulated or twisted biliary stricture interrupts passage of a guidewire over the stricture, it is difficult to replace the percutaneous biliary drainage catheter with inside stents by endoscopic retrograde cholangiopancreatography. The rendezvous technique can be used to overcome this difficulty. In addition to the classical rendezvous method, in cases with complete transection of the common bile duct a modified technique involving the insertion of a snare into the subhepatic space has been successfully performed. Herein, we report a modified rendezvous technique in the duodenal bulb as an extraordinary location for a patient with duct-to-duct anastomotic complete stricture after liver transplantation. WJG|www.wjgnet.com Odemis B, Oztas E, Yurdakul M, Torun S, Suna N, Kayacetin E. Interesting rendezvous location in a liver transplantation patient with anastomosis stricture. World J Gastroenterol 2014; 20(42): 15916-15919 Available from: URL: http://www.wjgnet. com/1007-9327/full/v20/i42/15916.htm DOI: http://dx.doi. org/10.3748/wjg.v20.i42.15916 INTRODUCTION Biliary strictures are not uncommon after living donor liver transplantation (LDLT), and two-thirds of biliary strictures can be treated by endoscopic retrograde cholangiopancreatography (ERCP). If ERCP fails, percutaneous transhepatic biliary drainage (PTBD) is recommended[1,2]. Although maintaining a PTBD catheter for a long period is beneficial for treating biliary strictures, it may be difficult for patients, especially in liver transplant patients, due to the development of PTBD catheter-re- 15916 November 14, 2014|Volume 20|Issue 42| Odemis B et al . An interesting rendezvous location A B C D E F Figure 1 Fifty-three-year-old-man was admitted to our clinic for removal of a percutaneous internal-external biliary drainage catheter and insertion of stents via endoscopic retrograde cholangiopancreatography. A: Internal portion of the percutaneous transhepatic biliary drainage (PTBD) catheter (arrowheads) and the balloon catheter extending from the papilla towards the common bile duct (CBD) (arrows) were observed separately on cholangiography; B: Despite several attempts at simultaneous percutaneous transhepatic cholangiography, all attempts at advancing a guidewire (arrow) proximally through the papilla into the intrahepatic bile ducts failed and the guidewire (arrowhead) could not be advanced into the CBD; C: The guidewire which was inserted transpapillarily was intentionally pushed through the paracholedocal area at the level of the CBD stricture and spontaneously came out of the duodenal bulb. A snare was slowly introduced via the transhepatic route into the bulbus and the guidewire was caught by closing the snare under endoscopic visualization; D: The guidewire was pulled proximally all the way through the percutaneous access (arrows); E: This was followed by a 5 and 7 mm balloon dilatation of the stricture (arrows). Another guidewire, which was inserted into the duodenal bulb at the site of the PTBD’s internal orifice, is also shown in this figure (arrowhead); F: In the third month of follow-up, the stricture was almost completely resolved, and the patient was then followed stent-free. lated complications, such as leakage, pain, infection, and accidental removal of the PTBD catheter. Therefore, replacing PTBD catheters with inside stents is recommended. When an angulated or twisted biliary stricture interrupts passage of a guidewire over the stricture, it is difficult to replace the PTBD catheter with inside stents by ERCP[3]. The rendezvous technique can be used to overcome this difficulty. The rendezvous procedure is classically performed after transhepatic advancement of a guidewire through the papilla for subsequent ERCP[4,5]. In addition to this classical rendezvous method, in cases with complete transection of the common bile duct (CBD), a modified technique involving the insertion of a snare into the subhepatic space has been successfully performed[6,7]. Herein, we report a modified rendezvous technique in the duodenal bulb as an extraordinary location in a patient with a duct-to-duct complete anastomotic stricture after liver transplantation. CASE REPORT A 53-year-old-man was admitted to our clinic for removal of a percutaneous internal-external biliary drainage catheter and insertion of stents via ERCP. He had WJG|www.wjgnet.com a history of right lobe LDLT due to hepatitis B-related cirrhosis and hepatocellular carcinoma three years ago. After a short time, a duct-to-duct anastomotic stricture developed. Because cannulation of the intrahepatic bile ducts via ERCP was unsuccessful, an internal-external biliary drainage catheter was inserted after balloon dilatation of the stricture via percutaneous transhepatic cholangiography (PTC). The biliary drainage catheter was kept in place, and the patient had undergone balloon dilatation of the stricture via a transhepatic route five times in the previous seven months. After admission to our clinic, ERCP was performed. At the beginning of ERCP, the tip of the internal-external biliary drainage catheter was protruding from the apex of the bulbus, an astonishing endoscopic finding. Intrahepatic bile ducts could not be opacified after a balloon (Anrei Medical Co. Ltd Hangzhou, China) occluded cholangiography obtained through the papilla, and all attempts at advancing a guidewire (0.035 inch VisiGlide, Olympus Europa Holding GMBH Hamburg, Germany) proximally into the intrahepatic bile ducts failed (Figure 1A, B). On a simultaneous PTC, a guidewire could not be advanced into the CBD despite several attempts (Figure 1B). These findings indicated complete stenosis of the anas- 15917 November 14, 2014|Volume 20|Issue 42| Odemis B et al . An interesting rendezvous location tomosis during the previous year; therefore, we resolved these problems by performing a modified rendezvous technique. A guidewire inserted through the papilla was intentionally pushed strongly into the paracholedochal space at the level of the stricture, which was then spontaneously advanced into the bulbus of the duodenum alongside the biliary drainage catheter. Later, a snare (Micro-Tech Nanjing Co. Ltd. Hamburg, Germany) was slowly introduced via the transhepatic route into the bulbus and the guidewire was caught by closing the snare under endoscopic visualization (Figure 1C). The guidewire was pulled proximally all the way through the percutaneous access (Figure 1D). This was followed by a 5 and 7 mm balloon (Ventura biliary dilatation catheter, Panmedikal, Gloucester, United Kingdom), dilatation of the stricture (Figure 1E) and placement of an internalexternal biliary drainage catheter through the papilla. Two weeks later, the drainage catheter was removed and two biliary plastic stents (Erdamed Biliary Stent, Istanbul, Turkey) were inserted into the right anterior and posterior segments of the liver via ERCP. In the third month of follow-up, the stricture was almost completely resolved and the patient was then followed stent-free (Figure 1F). DISCUSSION There have been no other reports in the literature regarding the misplacement of the internal portion of the percutaneous internal-external drainage catheter to the duodenal bulb, and this case was the first in our clinic. In patients with liver transplantation, placement of the PTBD catheter in the wrong location, such as the duodenal bulb as in our case, can cause several complications, such as leakage, pain, infection, and accidental removal of the PTBD catheter. Two alternatives can be performed in such cases in which transpapillary cannulation of the intrahepatic bile ducts is not possible because of complete stenosis of the anastomosis. The first option is to accept the overall risks and to live with the PTBD catheter, and the second is surgery. The rendezvous procedure is classically performed after transhepatic advancement of a guidewire through the papilla for subsequent ERCP[5]. In a recent report, Fiocca et al[6] performed a 100% successful endoscopic-radiologic rendezvous procedure in the subhepatic space in patients with complete transection of the common bile duct. We also successfully performed this technique in another patient with a complete transection of the CBD due to previous cholecystectomy[7]. This experience encouraged us to perform the same endoscopic-radiologic rendezvous technique in the duodenal bulb. The procedure was successful, and we avoided the possible risks that may develop due to PTBD or surgery. We suggest that the rendezvous technique can be performed as an initial method for treating similar biliary complications after liver transplantation. WJG|www.wjgnet.com COMMENTS COMMENTS Case characteristics A 53-year-old-man with a history of right lobe living donor liver transplantation (LDLT) due to hepatitis B-related cirrhosis and hepatocellular carcinoma three years ago was admitted to our clinic for removal of a percutaneous internalexternal biliary drainage catheter and with the complaint of pruritis. Clinical diagnosis The signs were scratch wounds on the skin secondary to pruritis, large abdominal scar due to previous liver transplantation and a percutaneous biliary drainage catheter on the abdomen. Differential diagnosis Stricture of the biliary anastomosis, biliary injury, ischemic cholangiopathy, chronic rejection, posttransplantation disease recurrence. Laboratory diagnosis Hemoglobin: 11.5 g/dL; aspartate aminotransferase: 99 U/L; alanine aminotransferase: 87 U/L; alkaline phosphatase: 475 U/L; glutamyltransferase: 155 U/L; total bilirubin: 1.8 mg/dL; direct bilirubin: 1.4 mg/dL; other laboratory tests were within normal limits. Imaging diagnosis The tip of the internal-external biliary drainage catheter was protruding from the bulbus during endoscopic retrograde cholangiopancreatography (ERCP) and a stricture blocking advance of the guidewire proximally was recorded on cholangiography. Pathological diagnosis Pathological examination was not performed. Treatment After passage between the proximal and distal segments of the bulbus was achieved via the endoscopic-radiologic rendezvous method, balloon dilatation of the stricture and placement of an internal-external biliary drainage catheter through the papilla were performed. Related reports Biliary strictures are common in LDLT patients, and ERCP, percutaneous transhepatic cholangiography or, infrequently, surgical management is necessary for treatment. Experiences and lessons This case report suggests that an endoscopic radiologic rendezvous technique can be performed as an alternative method for treating biliary strictures in which the conventional endoscopic and radiologic methods have failed after liver transplantation, even if the rendezvous localization is the duodenal bulb. This procedure should be considered before invasive management options, such as surgery. Peer review The endoscopic radiologic rendezvous technique is a viable alternative method for treating biliary strictures, especially in patients with liver transplantation. REFERENCES 1 2 3 4 15918 Yazumi S, Yoshimoto T, Hisatsune H, Hasegawa K, Kida M, Tada S, Uenoyama Y, Yamauchi J, Shio S, Kasahara M, Ogawa K, Egawa H, Tanaka K, Chiba T. 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The “Lasso” technique: snare-assisted endoscopic-radiological rendezvous technique for the management of complete transection of the main bile duct. Gastrointest Endosc 2013; 78: 554-556 [PMID: 23948203 DOI: 10.1016/j.gie.2013.04.002] P- Reviewer: Sakai Y S- Editor: Gou SX L- Editor: Webster JR E- Editor: Liu XM WJG|www.wjgnet.com 15919 November 14, 2014|Volume 20|Issue 42| Published by Baishideng Publishing Group Inc 8226 Regency Drive, Pleasanton, CA 94588, USA Telephone: +1-925-223-8242 Fax: +1-925-223-8243 E-mail: [email protected] Help Desk: http://www.wjgnet.com/esps/helpdesk.aspx http://www.wjgnet.com I S S N 1 0 0 7 - 9 3 2 7 4 2 9 7 7 1 0 0 7 9 3 2 0 45 © 2014 Baishideng Publishing Group Inc. All rights reserved.
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