Selective biliary cannulation techniques for endoscopic retrograde cholangiopancreatography procedures and prevention of post- endoscopic retrograde cholangiopancreatography pancreatitis

References

• Huibregtse K, Kimmey MB. Endoscopic retrograde cholangiopancreatography, endoscopic sphincterotomy and endoscopic biliary and pancreatic drainage. In: Yamada T, Alpers DH, Powell DW, editors. Textbook of Gastroenterology. 2nd ed. Philadelphia (PA): Lippincott; 1995. p. 2590–2617.
   Google Scholar
• Freeman ML, Guda NM. ERCP cannulation: a review of reported techniques. Gastrointest Endosc. 2005;61:112–125.
   PubMed Web of Science ®Google Scholar
• Cotton PB, Lehman G, Vennes J, et al. Endoscopic sphincterotomy complications and their management: an attempt at consensus. Gastrointest Endosc. 1991;37:383–393.
   PubMed Web of Science ®Google Scholar
• Freeman ML, Nelson DB, Sherman S, et al. Complications of endoscopic biliary sphincterotomy. N Engl J Med. 1996;335:909–918.
   PubMed Web of Science ®Google Scholar
• Williams EJ, Taylor S, Fairclough P, et al. Risk factors for complication following ERCP; results of a large-scale, prospective multicenter study. Endoscopy. 2007;39:793–801.
   PubMed Web of Science ®Google Scholar
• Masci E, Toti G, Mariani A, et al., et al. Complications of diagnostic and therapeutic ERCP: a prospective multicenter study. Am J Gastroenterol. 2001;96:417–423.
   PubMed Web of Science ®Google Scholar
• Cheng C-L, Sherman S, Watkins JL, et al. Risk factors for post-ERCP pancreatitis: a prospective multicenter study. Am J Gastroenterol. 2006;101:139–147.
   PubMed Web of Science ®Google Scholar
• Andriulli A, Loperfido S, Napolitano G, et al. Incidence rates of post-ERCP complications: a systematic survey of prospective studies. Am J Gastroenterol. 2007;102:1781–1788.
   PubMed Web of Science ®Google Scholar
• Moss AC, Morris E, Leyden J, et al. Do the benefits of metal stents justify the costs? A systematic review and meta-analysis of trials comparing endoscopic stents for malignant biliary obstruction. Eur J Gastroenterol Hepatol. 2007;19:1119–1124.
   PubMed Web of Science ®Google Scholar
• Badalov N, Tenner S, Baillie J. The Prevention, recognition and treatment of post-ERCP pancreatitis. JOP. 2009;10:88–97.
   PubMedGoogle Scholar
• Manes G. Prevention of ERCP-induced pancreatitis. Int Ther Gastrointest Endosc. 2010;27:311–318.
   Google Scholar
• Shah TU, Liddle R, Branch MS, et al. Pilot study of aprepitant for prevention of post-ERCP pancreatitis in high risk patients: a phase II randomized, double blind placebo controlled trial. JOP. 2012;13:514–518.
   PubMedGoogle Scholar
• Lella F, Bagnolo F, Colombo E, et al. A simple way of avoiding post-ERCP pancreatitis. Gastrointest Endosc. 2004;59:830–834.
   PubMed Web of Science ®Google Scholar
• Artifon EL, Sakai P, Cunha JE, et al. Guidewire cannulation reduces risk of post-ERCP pancreatitis and facilitates bile duct cannulation. Am J Gastroenterol. 2007;102:2147–2153.
   PubMed Web of Science ®Google Scholar
• Bailey AA, Bourke MJ, Williams SJ, et al. A prospective randomized trial of cannulation technique in ERCP: effects on technical success and post-ERCP pancreatitis. Endoscopy. 2008;40:296–301.
   PubMed Web of Science ®Google Scholar
• Katsinelos P, Paroutoglou G, Kountouras J, et al. A comparative study of standard ERCP catheter and hydrophilic guide wire in the selective cannulation of the common bile duct. Endoscopy. 2008;40(4):302–307.
   PubMed Web of Science ®Google Scholar
• Cennamo V, Fuccio L, Zagari RM, et al. Can a wire-guided cannulation technique increase bile duct cannulation rate and prevent post-ERCP pancreatitis? A meta-analysis of randomized controlled trials. Am J Gastroenterol. 2009;104:2343–2350.
   PubMed Web of Science ®Google Scholar
• Cheung J, Tsoi KK, Quan WL, et al. Guidewire versus conventional contrast cannulation of the common bile duct for the prevention of post-ERCP pancreatitis: a systematic review and meta-analysis. Gastrointest Endosc. 2009;70:1211–1219.
   PubMed Web of Science ®Google Scholar
• Tse F, Yuan Y, Moayyedi P, et al. Guide wire-assisted cannulation for the prevention of post-ERCP pancreatitis: a systematic review and meta-analysis. Endoscopy. 2013;45:605–618.
   PubMed Web of Science ®Google Scholar
• Kawakami H, Maguchi H, Mukai T, et al, A multicenter prospective randomized study of selective bile duct cannulation performed by multiple endoscopists: the BIDMEN study. Gastrointest Endosc. 2012;75:362–372.
   PubMed Web of Science ®Google Scholar
• Kobayashi G, Fujita N, Imaizumi K, et al. Wire-guided biliary cannulation technique does not reduce the risk of post-ERCP pancreatitis: multicenter randomized controlled trial. Dig Endosc. 2013;25:295–302.
   PubMed Web of Science ®Google Scholar
• Kawakami H, Maguchi H, Hayashi T, et al A prospective randomized controlled multicenter trial of duodenoscopes with 5 degrees and 15 degrees backward-oblique angle using wire-guided cannulation: effects on selective cannulation of the common bile duct in endoscopic retrograde cholangiopancreatography. J Gastroenterol. 2009;44:1140–1146.
   PubMed Web of Science ®Google Scholar
• Nambu T, Ukita T, Shigoka H, et al. Wire-guided selective cannulation of the bile duct with a sphincterotome: a prospective randomized comparative study with the standard method. Scand J Gastroenterol. 2011;46:109–115.
   PubMed Web of Science ®Google Scholar
• Halttunen J, Kylänpää L. A prospective randomized study of thin versus regular-sized guide wire in wire-guided cannulation. Surg Endosc. 2013;27:1662–1667.
   PubMed Web of Science ®Google Scholar
• Kitamura K, Yamamiya A, Ishii Y, et al. 0.025-inch vs 0.035-inch guide wires for wire-guided cannulation during endoscopic retrograde cholangiopancreatography: a randomized study. World J Gastroenterol. 2015;21:9182–9188.
   PubMed Web of Science ®Google Scholar
• Nakai Y, Isayama H, Sasahira N, et al. Risk factors for post-ERCP pancreatitis in wire-guided cannulation for therapeutic biliary ERCP. Gastrointest Endosc. 2015;81(1):119–126. [Epub 2014 Nov 5].
   PubMed Web of Science ®Google Scholar
• Dumonceau JM, Devière J, Cremer M. A new method of achieving deep cannulation of the common bile duct during endoscopic retrograde cholangiopancreatography. Endoscopy. 1998;30:S80.
   PubMed Web of Science ®Google Scholar
• Gotoh Y, Tamada K, Tomiyama T, et al. A new method for deep cannulation of the bile duct by straightening the pancreatic duct. Gastrointest Endosc. 2001;53:820–822.
   PubMed Web of Science ®Google Scholar
• Hayashi H, Maeda S, Hosokawa O, et al. A technique for selective cannulation of the common bile duct in endoscopic retrograde cholangiopancreatography. Insertion of guidewire into the pancreatic duct. Gastrointest Endosc. 2001;43:828–832.
   Google Scholar
• Maeda S, Hayashi H, Hosokawa O, et al. Prospective randomized pilot trial of selective biliary cannulation using pancreatic guide-wire placement. Endoscopy. 2003;35:721–724.
   PubMed Web of Science ®Google Scholar
• Draganov P, Devonshire DA, Cunningham JT. A new technique to assist in difficult bile duct cannulation at the time of endoscopic retrograde cholangiopancreatography. JSLS. 2005;9:218–221.
   PubMedGoogle Scholar
• Ito K, Fujita N, Noda Y, et al. Pancreatic guidewire placement for achieving selective biliary cannulation during endoscopic retrograde cholangiopancreatography. World J Gastroenterol. 2008;14:5595–5600.
   PubMed Web of Science ®Google Scholar
• Ito K, Fujita N, Noda Y, et al. Can pancreatic duct stenting prevent post-ERCP pancreatitis in patients who undergo pancreatic duct guidewire placement for achieving selective biliary cannulation? A prospective randomized controlled trial. J Gastroenterol. 2010;45:1183–1191.
   PubMed Web of Science ®Google Scholar
• Hisa T, Matsumoto R, Takamatsu M, et al. Impact of changing our cannulation method on the incidence of post-endoscopic retrograde cholangiopancreatography pancreatitis after pancreatic guidewire placement. World J Gastroenterol. 2011;17:5289–5294.
   PubMed Web of Science ®Google Scholar
• Xinopoulos D, Bassioukas SP, Kypreos D, et al. Pancreatic duct guidewire placement for biliary cannulation in a single-session therapeutic ERCP. World J Gastroenterol. 2011;17:1989–1995.
   PubMed Web of Science ®Google Scholar
• Gyökeres T, Duhl J, Varsányi M, et al. Double-guidewire placement for endoscopic pancreatobiliary procedures. Endoscopy. 2003;35:95–96.
   PubMed Web of Science ®Google Scholar
• de Tejada AH, Calleja JL, Diaz G, et al. Double-guidewire technique for difficult bile duct cannulation: a multicenter randomized, controlled trial. Gastrointest Endosc. 2009;70:700–709.
   PubMed Web of Science ®Google Scholar
• Grönroos JM, Vihervaara H, Gullichsen R, et al. Double-guidewire-assisted biliary cannulation: experiences from a single tertiary referral center. Surg Endosc. 2011;25:1599–1602.
   PubMed Web of Science ®Google Scholar
• Ito K, Horaguchi J, Fujita N, et al. Clinical usefulness of double-guidewire technique for difficult biliary cannulation in endoscopic retrograde cholangiopancreatography. Dig Endosc. 2014;26:442–449.
   PubMed Web of Science ®Google Scholar
• Tanaka R, Itoi T, Sofuni A, et al. Is the double-guidewire technique superior to the pancreatic duct guidewire technique in cases of pancreatic duct opacification? J Gastroenterol Hepatol. 2013;28:1787–1793.
   PubMed Web of Science ®Google Scholar
• Sasahira N, Kawakami H, Isayama H, et al. Early use of double-guidewire technique to facilitate selective bile duct cannulation: the multicenter randomized controlled EDUCATION trial. Endoscopy. 2015;47:421–429.
   PubMed Web of Science ®Google Scholar
• Udd M, Kylänpää L, Halttunen J. Management of difficult bile duct cannulation in ERCP. World J Gastrointest Endosc. 2010;2:97–103.
   PubMedGoogle Scholar
• Siegel JH. Precut papillotomy: a method to improve success of ERCP and papillotomy. Endoscopy. 1980;12:130–133.
   PubMed Web of Science ®Google Scholar
• Masci E, Mariani A, Curioni S, et al. Risk factors for pancreatitis following endoscopic retrograde cholangiopancreatography: a meta-analysis. Endoscopy. 2003;35:830–834.
   PubMed Web of Science ®Google Scholar
• Mavrogiannis C, Liatsos C, Romanos A, et al. Needle-knife fistulotomy versus needle-knife precut papillotomy for the treatment of common bile duct stones. Gastrointest Endosc. 1999;50:334–339.
   PubMed Web of Science ®Google Scholar
• Goff JS. Common bile duct pre-cut sphincterotomy: transpancreatic sphincter approach. Gastrointest Endosc. 1995;41:502–505.
   PubMed Web of Science ®Google Scholar
• Wang P, Zhang W, Liu F, et al. Success and complication rates of two precut techniques, transpancreatic sphincterotomy and needle-knife sphincterotomy for bile duct cannulation. J Gastrointest Surg. 2010;14:697–704.
   PubMed Web of Science ®Google Scholar
• Lee YJ, Park YK, Lee MJ, et al. Different strategies for transpancreatic septotomy and needle knife infundibulotomy due to the presence of unintended pancreatic cannulation in difficult biliary cannulation. Gut Liver. 2015;9:534–539.
   PubMed Web of Science ®Google Scholar
• Katsinelos P, Gkagkalis S, Chatzimavroudis G, et al. Comparison of three types of precut technique to achieve common bile duct cannulation: a retrospective analysis of 274 cases. Dig Dis Sci. 2012;57:3286–3292.
   PubMed Web of Science ®Google Scholar
• Cha SW, Leung WD, Lehman GA, et al. Does leaving a main pancreatic duct stent in place reduce the incidence of precut biliary sphincterotomy-associated pancreatitis? A randomized, prospective study. Gastrointest Endosc. 2013;77:209–216.
   PubMed Web of Science ®Google Scholar
• Parlak E, Cicek B, Disibeyaz S, et al. Early decision for precut sphincterotomy: is it a risky preference? Dig Dis Sci. 2007;52:845–851.
   PubMed Web of Science ®Google Scholar
• Manes G, Di Giorgio P, Repici A, et al. An analysis of the factors associated with the development of complications in patients undergoing precut sphincterotomy: a prospective, controlled, randomized, multicenter study. Am J Gastroenterol. 2009;104:2412–2417.
   PubMed Web of Science ®Google Scholar
• Cennamo V, Fuccio L, Zagari RM, et al. Can early precut implementation reduce endoscopic retrograde cholangiopancreatography-related complication risk? Meta-analysis of randomized controlled trials. Endoscopy. 2010;42:381–388.
   PubMed Web of Science ®Google Scholar
• Lobo DN, Balfour TW, Iftikhar SY, et al. Periampullary diverticula and pancreaticobiliary disease. Br J Surg. 1999;86:588–597.
   PubMed Web of Science ®Google Scholar
• Løtveit T, Skar V, Osnes, M. Juxtapapillary duodenal diverticula. Endoscopy. 1988;20:175–178.
   PubMed Web of Science ®Google Scholar
• Tyagi P, Sharma P, Sharma BC, et al. Periampullary diverticula and technical success of endoscopic retrograde cholangiopancreatography. Surg Endosc. 2009;23:1342–1345.
   PubMed Web of Science ®Google Scholar
• Fujita N, Noda Y, Kobayashi G, et al. ERCP for intradiverticular papilla: two-devices-in-one-channel method. Endoscopic retrograde cholangiopancreatography. Gastrointest Endosc. 1998;48:517–520.
   PubMed Web of Science ®Google Scholar
• Chan C, Brennan FN, Raftopoulas SC, et al. Loop tip wire guided cannulation is a safe and effective technique even when performed by trainee endoscopists. J Gastroenterol Hepatol. 2010;25:A66.
   Web of Science ®Google Scholar
• Chun SY, Kim JH, Moon SH, et al. The loop-tip wire for selective cannulation during ERCP in Patients with Billroth II Anastomosis: A preliminary feasibility study. Hepatogastroenterology. 2014;61:897–901.
   PubMed Web of Science ®Google Scholar
• Omuta S, Maetani I, Shigoka S, et al. Newly designed J-shaped tip guidewire: a preliminary feasibility study in wire-guided cannulation. World J Gastroenterol. 2013;19:4531–4536.
   PubMed Web of Science ®Google Scholar
• Tsuchiya T, Itoi T, Maetani I, et al. Effectiveness of the J-Tip guidewire for selective biliary cannulation compared to conventional guidewires (The JANGLE Study). Dig Dis Sci. 2015;60:2502–2508.
   PubMed Web of Science ®Google Scholar
• Mallery S, Matlock J, Freeman ML. EUS-guided rendezvous drainage of obstructed biliary and pancreatic ducts: Report of 6 cases. Gastrointest Endosc. 2004;59:100–107.
   PubMed Web of Science ®Google Scholar
• Kahaleh M, Wang P, Shami VM, et al. EUS-guided transhepatic cholangiography: report of 6 cases. Gastrointest Endosc. 2005;61:307–313.
   PubMed Web of Science ®Google Scholar
• Lai R, Freeman ML. Endoscopic ultrasound-guided bile duct access for rendezvous ERCP drainage in the setting of intradiverticular papilla. Endoscopy. 2005;37:487–489.
   PubMed Web of Science ®Google Scholar
• Kim YS, Gupta K, Mallery S, et al. Endoscopic ultrasound rendezvous for bile duct access using a transduodenal approach: cumulative experience at a single center. A case series. Endoscopy. 2010;42:496–502.
   PubMed Web of Science ®Google Scholar
• Dhir V, Bhandari S, Bapat M, et al. Comparison of EUS-guided rendezvous and precut papillotomy techniques for biliary access (with videos). Gastrointest Endosc. 2012;75:354–359.
   PubMed Web of Science ®Google Scholar
• Kawakubo K, Isayama H, Sasahira N, et al. Clinical utility of an endoscopic ultrasound-guided rendezvous technique via various approach routes. Surg Endosc. 2013;27:3437–3443.
   PubMed Web of Science ®Google Scholar
• Khashab MA, Valeshabad AK, Modayil R, et al. EUS-guided biliary drainage by using a standardized approach for malignant biliary obstruction: rendezvous versus direct transluminal techniques (with videos). Gastrointest Endosc. 2013;78:734–741.
   PubMed Web of Science ®Google Scholar
• Park DH, Jeong SU, Lee BU, et al. Prospective evaluation of a treatment algorithm with enhanced guidewire manipulation protocol for EUS-guided biliary drainage after failed ERCP (with video). Gastrointest Endosc. 2013;78:91–101.
   PubMed Web of Science ®Google Scholar
• Iwashita T, Doi S, Yasuda I. Endoscopic ultrasound-guided biliary drainage: a review. Clin J Gastroenterol. 2014;7:94–102.
   PubMedGoogle Scholar
• Iwashita T, Yasuda I, Mukai T, et al. EUS-guided rendezvous for difficult biliary cannulation using a standardized algorithm: a multicenter prospective pilot study (with videos). Gastrointest Endosc. 2015 Jun 16. pii: S0016-5107(15)02403-7. doi:10.1016/j.gie.2015.04.043. [Epub ahead of print].
   Web of Science ®Google Scholar
• Donnellan F, Byrne MF. Prevention of post-ERCP pancreatitis. Gastroenterol Res Pract. 2012;2012:12.
   PubMed Web of Science ®Google Scholar
• Bhasin DK, Rana SS, Nadkarni N. Protocol-based management strategy for post-endoscopic retrograde cholangiopancreatography pancreatitis: can it make a difference? J Gastroenterol Hepatol. 2008;23:344–347.
   PubMed Web of Science ®Google Scholar
• Chen YK, Foliente RL, Santoro MJ, et al. Endoscopic sphincterotomy induced pancreatitis: increased risk associated with nondilated bile ducts and sphincter of Oddi dysfunction. Am J Gastroenterol. 1994;89:327–333.
   PubMed Web of Science ®Google Scholar
• Dickinson RJ, Davies S. Post-ERCP pancreatitis and hyperamylasaemia: the role of operative and patient factors. Eur J Gastroenterol Hepatol. 1998;10:423–428.
   PubMed Web of Science ®Google Scholar
• Loperfido S, Angelini G, Benedetti G, et al. Major early complications from diagnostic and therapeutic ERCP: a prospective multicenter study. Gastrointest Endosc. 1998;48:1–10.
   PubMed Web of Science ®Google Scholar
• Freeman ML, DiSario JA, Nelson DB, et al. Risk factors for post-ERCP pancreatitis: a prospective, multicenter study. Gastrointest Endosc. 2001;54:425–434.
   PubMed Web of Science ®Google Scholar
• Dumonceau JM, Andriulli A, Deviere J, et al. European Society of Gastrointestinal Endoscopy (ESGE) guideline: prophylaxis of post-ERCP pancreatitis. Endoscopy. 2010;42:503–515.
   PubMed Web of Science ®Google Scholar
• Moffatt DC, Coté GA, Avula H, et al. Risk factors for ERCP related complications in patients with pancreas divisum: a retrospective study. Gastrointest Endosc. 2011;73:963–970.
   PubMed Web of Science ®Google Scholar
• Gottlieb K, Sherman S. ERCP and biliary endoscopic sphincterotomy-induced pancreatitis. Gastrointest Endosc Clin N Am. 1998;8:87–114.
   PubMedGoogle Scholar
• Freeman ML. Adverse outcomes of endoscopic retrograde cholangiopancreatography. Rev Gastroenterol Disord. 2002;2:147–168.
   PubMedGoogle Scholar
• Sofuni A, Maguchi H, Mukai T, et al. Endoscopic pancreatic duct stents reduce the incidence of post-endoscopic retrograde cholangiopancreatography pancreatitis in high-risk patients. Clin Gastroenterol Hepatol. 2011;9:851–858.
   PubMed Web of Science ®Google Scholar
• Tarnasky PR, Palesch YY, Cunningham JT, et al. Pancreatic stenting prevents pancreatitis after biliary sphincterotomy in patients with sphincter of Oddi dysfunction. Gastroenterology. 1998;115:1518–1524.
   PubMed Web of Science ®Google Scholar
• Aizawa T, Ueno N. Stent placement in the pancreatic duct prevents pancreatitis after endoscopic sphincter dilation for removal of bile duct stones. Gastrointest Endosc. 2001;54:209–213.
   PubMed Web of Science ®Google Scholar
• Fogel EL, Eversman D, Jamidar P, et al. Sphincter of Oddi dysfunction: pancreaticobiliary sphincterotomy with pancreatic stent placement has a lower rate of pancreatitis than biliary sphincterotomy alone. Endoscopy. 2002;34:280–285.
   PubMed Web of Science ®Google Scholar
• Fazel A, Quadri A, Catalano MF, et al. Does a pancreatic duct stent prevent post-ERCP pancreatitis? A prospective randomized study. Gastrointest Endosc. 2003;57:291–294.
   PubMed Web of Science ®Google Scholar
• Freeman ML, Overby C, Qi D. Pancreatic stent insertion: Consequences of failure and results of a modified technique to maximize success. Gastrointest Endosc. 2004;59:8–14.
   PubMed Web of Science ®Google Scholar
• Harewood GC, Pochron NL, Gostout CJ. Prospective, randomized, controlled trial of prophylactic pancreatic stent placement for endoscopic snare excision of the duodenal ampulla. Gastrointest Endosc. 2005;62:367–370.
   PubMed Web of Science ®Google Scholar
• Tsuchiya T, Itoi T, Sofuni A, et al. Temporary pancreatic stent to prevent post endoscopic retrograde cholangiopancreatography pancreatitis: A preliminary, single-center, randomized controlled trial. J Hepatobiliary Pancreat Surg. 2007;14:302–307.
   PubMedGoogle Scholar
• Sofuni A, Maguchi H, Itoi T, et al. Prophylaxis of postendoscopic retrograde cholangiopancreatography pancreatitis by an endoscopic pancreatic spontaneous dislodgement stent. Clin Gastroenterol Hepatol. 2007;5:1339–1346.
   PubMed Web of Science ®Google Scholar
• Smithline A, Silverman W, Rogers D, et al. Effect of prophylactic main pancreatic duct stenting on the incidence of biliary endoscopic sphincterotomy-induced pancreatitis in high-risk patients. Gastrointest Endosc. 1993;39:652–657.
   PubMed Web of Science ®Google Scholar
• Patel R, Transky P, Hennessy WS, et al. Does stenting after pancreatic sphincterotomy reduce post-ERCP pancreatitis with prior biliary sphincterotomy? Gastrointest Endosc. 1999;49:AB80.
   Web of Science ®Google Scholar
• Pan X-P, Dang T, Meng X-M, et al. Clinical study on the prevention of post-ERCP pancreatitis by pancreatic duct stenting. Cell Biochem Biophys. 2011;61:473–479.
   PubMed Web of Science ®Google Scholar
• Kawaguchi Y, Ogawa M, Omata F, et al. Randomized controlled trial of pancreatic stenting to prevent pancreatitis after endoscopic retrograde cholangiopancreatography. World J Gastroenterol. 2012;18:1635–1641.
   PubMed Web of Science ®Google Scholar
• Lee TH, Moon JH, Choi HJ, et al. Prophylactic temporary 3F pancreatic duct stent to prevent post-ERCP pancreatitis in patients with a difficult biliary cannulation: a multicenter, prospective, randomized study. Gastrointest Endosc. 2012;76:578–585.
   PubMed Web of Science ®Google Scholar
• Mazaki T, Masuda H, Takayama T. Prophylactic pancreatic stent placement and post-ERCP pancreatitis: a systematic review and meta-analysis. Endoscopy. 2010;42:842–853.
   PubMed Web of Science ®Google Scholar
• Choudhary A, Bechtold ML, Arif M, et al. Pancreatic stents for prophylaxis against post-ERCP pancreatitis: a meta-analysis and systematic review. Gastrointest Endosc. 2011;73:275–282.
   PubMed Web of Science ®Google Scholar
• Shi -Q-Q, Ning X-Y, Zhan -L-L, et al. Placement of prophylactic pancreatic stents to prevent post-endoscopic retrograde cholangiopancreatography pancreatitis in high-risk patients: a meta-analysis. World J Gastroenterol. 2014;20:7040–7048.
   PubMed Web of Science ®Google Scholar
• Rashdan A, Fogel EL, Mchenry L Jr, et al. Improved stent characteristics for prophylaxis of post-ERCP pancreatitis. Clin Gastroenterol Hepatol. 2004;2:322–329.
   PubMed Web of Science ®Google Scholar
• Fehmi SMA, Schoenfeld PS, Scheiman JM, et al. 5 Fr prophylactic pancreatic stents are easier to place and require fewer guide wires than 3 Fr stents. Gastrointest Endosc. 2008;67:AB328–329.
   Web of Science ®Google Scholar
• Chahal P, Tarnasky P, Petersen B, et al. Short 5Fr vs long 3Fr pancreatic stents in patients at risk for post-endoscopic retrograde cholangiopancreatography pancreatitis. Clin Gastroenterol Hepatol. 2009;7:834–839.
   PubMed Web of Science ®Google Scholar
• Das A, Singh P, Sivak MV, et al. Pancreatic-stent placement for prevention of post-ERCP pancreatitis: a cost-effectiveness analysis. Gastrointest Endosc. 2007;65:960–968.
   PubMed Web of Science ®Google Scholar
• Gross V, Leser HG, Heinisch A, et al. Inflammatory mediators and cytokines—new aspects of the pathophysiology and assessment of severity of acute pancreatitis? Hepatogastroenterol. 1993;l40:522–530.
   Google Scholar
• Bhatia M, Brady M, Shokuhi S, et al. Inflammatory mediators in acute pancreatitis. J Pathol. 2000;190:117–125.
   PubMed Web of Science ®Google Scholar
• Karne S, Gorelick FS. Etiopathogenesis of acute pancreatitis. Surg Clin North Am. 1999;79:699–710.
   PubMed Web of Science ®Google Scholar
• Mäkelä A, Kuusi T, Schröder T. Inhibition of serum phospholipase-A2 in acute pancreatitis by pharmacological agents in vitro. Scand J Clin Lab Invest. 1997;57:401–407.
   PubMed Web of Science ®Google Scholar
• Murray B, Carter R, Imrie C, et al. Diclofenac reduces the incidence of acute pancreatitis after endoscopic retrograde cholangiopancreatography. Gastroenterology. 2003;124:1786–1791.
   PubMed Web of Science ®Google Scholar
• Cheon YK, Cho KB, Watkins JL, et al. Efficacy of diclofenac in the prevention of post-ERCP pancreatitis in predominantly high risk patients: a randomized double-blind prospective trial. Gastrointest Endosc. 2007;66:1126–1132.
   PubMed Web of Science ®Google Scholar
• Sotoudehmanesh R, Khatibian M, Kolahdoozan S, et al. Indomethacin may reduce the incidence and severity of acute pancreatitis after ERCP. Am J Gastroenterol. 2007;102:978–983.
   PubMed Web of Science ®Google Scholar
• Khoshbaten M, Khorram H, Madad L, et al. Role of diclofenac in reducing post-endoscopic retrograde cholangiopancreatography pancreatitis. J Gastroenterol Hepatol. 2008;23:e11–16.
   PubMed Web of Science ®Google Scholar
• Elmunzer BJ, Scheiman JM, Lehman GA, et al. A randomized trial of rectal indomethacin to prevent post-ERCP pancreatitis. N Engl J Med. 2012;366:1414–1422.
   PubMed Web of Science ®Google Scholar
• Otsuka T, Kawazoe S, Nakashita S, et al. Low-dose rectal diclofenac for prevention of post-endoscopic retrograde cholangiopancreatography pancreatitis: a randomized controlled trial. J Gastroenterol. 2012;47:912–917.
   PubMed Web of Science ®Google Scholar
• Montano Loza A, Rodriguez Lomeli X, Garcia Correa JE, et al. Effect of the administration of rectal indomethacin on amylase serum levels after endoscopic retrograde cholangiopancreatography, and its impact on the development of secondary pancreatitis episodes. Rev Esp Enferm Dig. 2007;99:330–336.
   PubMed Web of Science ®Google Scholar
• Döbrönte Z, Toldy E, Márk L, et al. Effects of rectal indomethacin in the prevention of post-ERCP acute pancreatitis. Orv Hetil. 2012;153:990–996.
   PubMedGoogle Scholar
• Li X, Tao L-P, Wang C-H. Effectiveness of nonsteroidal anti-inflammatory drugs in prevention of post-ERCP pancreatitis: a meta-analysis. World J Gastroenterol. 2014;20(34):12322–12329.
   PubMed Web of Science ®Google Scholar
• Elmunzer BJ, Waljee AK, Elta GH, et al. A meta-analysis of rectal NSAIDs in the prevention of post-ERCP pancreatitis. Gut. 2008;57:1262–1267.
   PubMed Web of Science ®Google Scholar
• Dai H-F, Wang X-W, Zhao K. Role of nonsteroidal anti-inflammatory drugs in the prevention of post-ERCP pancreatitis: a meta-analysis. Hepatobiliary Pancreat Dis Int. 2009;8:11–16.
   PubMed Web of Science ®Google Scholar
• Ding X, Chen M, Huang S, et al. Nonsteroidal anti-inflammatory drugs for prevention of post-ERCP pancreatitis: a meta-analysis. Gastrointest Endosc. 2012;76:1152–1159.
   PubMed Web of Science ®Google Scholar
• Zheng M-H, Xia HH, Chen Y-P. Rectal administration of NSAIDs in the prevention of post-ERCP pancreatitis: a complementary meta-analysis. Gut. 2008;57:1632–1633.
   PubMed Web of Science ®Google Scholar