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3篇 您的检索式:作者名="Tomoko Nambu"
    题名 作者 年代 出处 被引量
1Treating bilio-duodenal obstruction: Combining new endoscopic technique with 6 Fr stent introducer显示文摘Periampullary cancer may cause not only biliary but also duodenal obstructions. In patients with concomitant duodenal obstructions, endoscopic biliary stenting remains technically difficult and may often require percutaneous transhepatic biliary drainage. We describe a method of metal stent placement via a thin forwardviewing endoscope in patients with simultaneous biliary and duodenal obstruction. In two consecutive patients with biliary and duodenal obstruction due to pancreatic cancer, a new biliary metal stent mounted in a slim delivery catheter was placed via a thin forward viewing endoscope after passage across the duodenal stenosis without balloon dilation. In both patients, with our new placement technique, metallic stents were successfully placed in a short time without adverse events. After biliary stenting, one patient received curative resection and the other received duodenal stenting for palliation. Metallic stent placement with a forward-viewing thin endoscope is a beneficial technique, which can avoid percutaneous drainage in patients with bilio-duodenal obstructions due to periampullary cancer.Iruru Maetani Tomoko Nambu Shigefumi Omuta Takeo Ukita Hiroaki Shigoka 2010World Journal of Gastroenterology2010,16,22:2
2Wire-guided selective cannulation of the bile duct with a sphincterotome: a prospective randomized comparative study with the standard method显示文摘Tomoko Nambu Takeo Ukita Hiroaki Shigoka Shigefumi Omuta Iruru Maetani 2011Scandinavian Journal of Gastroenterology2011,,1:1
3Direct peroral cholangioscopy using an ultraslim upper endoscope for biliary lesions显示文摘BACKGROUND: The development of direct peroral cholangioscopy(DPOC) using an ultraslim endoscope simplifies biliary cannulation. The conventional techniques are cumbersome to perform and require advanced skills. The recent introduction of the guidewires and balloons has improved the therapeutic outcomes. Here we describe an effective and easier method for performing DPOC using an ultraslim upper endoscope. METHODS: Indications for DPOC were the presence of stones on follow-up of patients who had previously undergone complete sphincteroplasty, including endoscopic sphincterotomy or endoscopic papillary large balloon dilatation. Fifteen patients underwent DPOC. An ultraslim endoscope was inserted perorally and was advanced into the major papilla. The ampulla of Vater was visualized by retroflexing the endoscope in the distal second portion of the duodenum, and then DPOC was performed using a wire-guided cannulation technique with an anchored intraductal balloon catheter. RESULTS: One patient failed in the treatment due to looping of the endoscope in the fornix of the stomach. Fourteen(93.3%) were successfully treated with our modified DPOC technique. Only one patient(6.7%) experienced an adverse event(pancreatitis) who responded well to conservative management. Residual stones of the common bile duct were completely removed in 3 patients. CONCLUSION: The modified method of DPOC is simple, safe and easy to access the bile duct.Shigefumi Omuta Iruru Maetani Takeo Ukita Tomoko Nambu Katsushige Gon Hiroaki Shigoka Yoshinori Saigusa Michihiro Saito 2014Hepatobiliary & Pancreatic Diseases International2014,13,1:1
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