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| 1 | Relationship between post-ERCP pancreatitis and the change of serum amylase level after the procedure显示文摘AIM: To clarify the relationship between the change of serum amylase level and post-ERCP pancreatitis. METHODS: Between January 1999 and December 2002, 1291 ERCP-related procedures were performed. Serum amylase concentrations were measured before the procedure and 3, 6, and 24 h afterward. The frequency and severity of post-ERCP pancreatitis and the relationship between these phenomena and the change in amylase level were estimated. RESULTS: Post-ERCP pancreatitis occurred in 47 patients (3.6%). Pancreatitis occurred in 1% of patients with normal amylase levels 3 h after ERCP, and in 1%, 5%, 20%, 31% and 39% of patients with amylase levels elevated 1-2 times, 2-3 times, 3-5 times, 5-10 times and over 10 times the upper normal limit at 3 h after ERCP, respectively (level < 2 times vs ≥ 2 times, P < 0.001). Of the 143 patients with levels higher than the normal limit at 3 h after ERCP followed by elevation at 6 h, pancreatitis occurred in 26%. In contrast, pancreatitis occurred in 9% of 45 patients with a level higher than two times the normal limit at 3 h after ERCP followed by a decrease at 6 h (26% vs 9%, P < 0.05). CONCLUSION: Post-ERCP pancreatitis is frequently associated with an increase in serum amylase level greater than twice the normal limit at 3 h after ERCP with an elevation at 6 h. A decrease in amylase level at 6 h after ERCP suggests the unlikelihood of development of post-ERCP pancreatitis. | Kei Ito Naotaka Fujita Yutaka Noda Go Kobayashi Jun Horaguchi Osamu Takasawa Takashi Obana | 2007 | World Journal of Gastroenterology2007，13，28： | 19 |
| 2 | Pancreatic guidewire placement for achieving selective biliary cannulation during endoscopic retrograde cholangio-pancreatography显示文摘AIM: To investigate the frequency and risk factors for acute pancreatitis after pancreatic guidewire placement (P-GW) in achieving cannulation of the bile duct during endoscopic retrograde cholangio-pancreatography (ERCP). METHODS: P-GW was performed in 113 patients in whom cannulation of the bile duct was difficult. The success rate of biliary cannulation, the frequency and risk factors of post-ERCP pancreatitis, and the frequency of spontaneous migration of the pancreatic duct stent were investigated. RESULTS: Selective biliary cannulation with P-GW was achieved in 73% of the patients. Post-ERCP pancreatitis occurred in 12% (14 patients: mild, 13; moderate, 1). Prophylactic pancreatic stenting was attempted in 59% of the patients. Of the 64 patients who successfully underwent stent placement, three developed mild pancreatitis (4.7%). Of the 49 patients without stent placement, 11 developed pancreatitis (22%: mild, 10; moderate, 1). Of the five patients in whom stent placement was unsuccessful, two developed mild pancreatitis. Univariate and multivariate analyses revealed no pancreatic stenting to be the only significant risk factor for pancreatitis. Spontaneous migration of the stent was observed within two weeks in 92% of the patients who had undergone pancreatic duct stenting.CONCLUSION: P-GW is useful for achieving selective biliary cannulation. Pancreatic duct stenting after P-GW can reduce the incidence of post-ERCP pancreatitis, which requires evaluation by means of prospective randomized controlled trials. | Kei Ito Naotaka Fujita Yutaka Noda Go Kobayashi Takashi Obana Jun Horaguchi Osamu Takasawa Shinsuke Koshita Yoshihide Kanno | 2008 | World Journal of Gastroenterology2008，14，36： | 14 |
| 3 | Liver injury after aluminum potassium sulfate and tannic acid treatment of hemorrhoids显示文摘We are reporting a rare case of acute liver injury that developed after an internal hemorrhoid treatment with the aluminum potassium sulfate and tannic acid(ALTA) regimen. A 41-year-old man developed a fever and liver injury after undergoing internal hemorrhoid treatment with a submucosal injection of ALTA with lidocaine. The acute liver injury was classified clinically as hepatocellular and pathologically as cholestastic. We could not classify the mechanism of injury. High eosinophil and immunoglobulin E levels characterized the injury,and a drug lymphocyte stimulation test was negative on postoperative day 25. Fluid replacement for two weeks after hospitalization improved the liver injury. ALTA therapy involves injecting chemicals into the submucosa,from the rectum to the anus,and this is the first description of a case that developed a severe liver disorder after this treatment; hence,an analysis of future cases as they accumulate is desirable. | Kenichi Yoshikawa Reimi Kawashima Yuki Hirose Keiko Shibata Takafumi Akasu Noriko Hagiwara Takeharu Yokota Nami Imai Akira Iwaku Go Kobayashi Hirohiko Kobayashi Akiyoshi Kinoshita Nao Fushiya Hiroyuki Kijima Kazuhiko Koike Masayuki Saruta | 2017 | World Journal of Gastroenterology2017，23，27： | 5 |
| 4 | Histological changes at an endosonography-guided biliary drainage site:A case report显示文摘Endosonography-guided biliary drainage (ESBD) is a new method enabling internal drainage of an obstructed bile duct. However,the histological conditions associated with fistula development via the duodenum to the bile duct have not been reported. We performed ESBD 14 d preoperatively in a patient with an ampullary carcinoma and histologically confirmed changes in and around the fistula. The female patient developed no complications relevant to ESBD. Levels of serum bilirubin and hepatobiliary enzymes declined quickly,and pancreatoduodenectomy was carried out uneventfully. The resected specimen was sliced and stained with hematoxylin-eosin. Histological evaluation of the puncture site in the duodenum and bile-duct wall,and the sinus tract revealed no hematoma,bile leakage,or abscess in or around the sinus tract. Little sign of granulation,fibrosis,and inflammatory cell infiltration was observed. Although further large-scale confirmatory studies are needed,the findings here may encourage more active use of ESBD as a substitute for percutaneous transhepatic drainage in cases with failed/difficult endoscopic biliary stenting. | Naotaka Fujita Yutaka Noda Go Kobayashi Kei Ito Takashi Obana Jun Horaguchi Osamu Takasawa Kazunari Nakahara | 2007 | World Journal of Gastroenterology2007，13，41： | 4 |
| 5 | Endoscopic submucosal dissection in a patient with esophageal adenoid cystic carcinoma显示文摘We report the first use of endoscopic submucosal dissection(ESD) for the treatment of a patient with adenoid cystic carcinoma of the esophagus(EACC). An 82-year-old woman visited our hospital for evaluation of an esophageal submucosal tumor. Endoscopic examination showed a submucosal tumor in the middle third of the esophagus. The lesion partially stained with Lugol's solution,and narrow band imaging with magnification showed intrapapillary capillary loops with mild dilatation and a divergence of caliber in the center of the lesion. Endoscopic ultrasound imaging revealed a solid 8 mm × 4.2 mm tumor,primarily involving the second and third layers of the esophagus. A preoperative biopsy was non-diagnostic. ESD was performed to resect the lesion,an 8 mm submucosal tumor. Immunohistologically,tumor cells differentiating into ductal epithelium and myoepithelium were observed,and the tissue type was adenoid cystic carcinoma. There was no evidence of esophageal wall,vertical stump or horizontal margin invasion with p T1 b-SM2 staining(1800 μm from the muscularis mucosa). Further studies are needed to assess the use of ESD for the treatment of patients with EACC. | Kenichi Yoshikawa Akiyoshi Kinoshita Yuki Hirose Keiko Shibata Takafumi Akasu Noriko Hagiwara Takeharu Yokota Nami Imai Akira Iwaku Go Kobayashi Hirohiko Kobayashi Nao Fushiya Hiroyuki Kijima Kazuhiko Koike Haruka Kaneyama Keiichi Ikeda Masayuki Saruta | 2017 | World Journal of Gastroenterology2017，23，45： | 3 |
| 6 | 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显示文摘 | Kei Ito Naotaka Fujita Yutaka Noda Go Kobayashi Takashi Obana Jun Horaguchi Osamu Takasawa Shinsuke Koshita Yoshihide Kanno Takahisa Ogawa | 2010 | Journal of Gastroenterology2010，，11： | 2 |
| 7 | Endoscopic biliary drainage for patients with unresectable pancreatic cancer with obstructive jaundice who are to undergo gemcitabine chemotherapy显示文摘AIM: To assess optimum endoscopic biliary drainage (EBD) in cases with unresectable pancreatic cancer in the era of gemcitabine (GEM). METHODS: Thirty patients with unresectable pancreatic cancer, who presented with jaundice and underwent chemotherapy using GEM after EBD were included in this study (GEM group). Fifteen cases with the same clinical manifestation and stage of pancreatic cancer treated with EBD alone were also included as controls. A covered metallic stent (CMS) or a plastic stent (PS) was used for EBD. The mean survival time (MST) in each group, risk factors of survival time, type of stent used and associated survival time, occlusion rate of stent, patency period of stent, and risk factors of stent occlusion were evaluated. RESULTS: MST in the GEM group was longer than that in the control (9.9 mo vs 6.2 mo). In the GEM group, the survival time was not different between those who underwent metallic stenting and those who underwent plastic stenting. Stent occlusion occurred in 60% of the PS group and 7% of the CMS group. The median stent patency in the PS-GEM group and the CMS-GEM group was 5 mo and 7.5 mo, respectively. Use of a PS was the only risk factor of stent occlusion. CONCLUSION: A CMS is recommended in cases presenting with jaundice due to unresectable pancreatic cancer, since the use of a CMS makes it possible to continue chemotherapy using GEM without repetition of stent replacement. | Osamu Takasawa Naotaka Fujita Go Kobayashi Yutaka Noda Kei Ito Jun Horaguchi | 2006 | World Journal of Gastroenterology2006，12，45： | 2 |
| 8 | Therapeutic endoscopic retrograde cholangiopancreatography using an anterior oblique-viewing endoscope for bile duct stones in patients with prior Billroth II gastrectomy显示文摘 | Kazunari Nakahara Jun Horaguchi Naotaka Fujita Yutaka Noda Go Kobayashi Kei Ito Takashi Obana Osamu Takasawa | 2009 | Journal of Gastroenterology2009，，3： | 1 |
| 9 | Autoimmune pancreatitis and multiple bile duct strictures treated effectively with steroid显示文摘 | Eigo Kojima Katsumi Kimura Yutaka Noda Go Kobayashi Kei Itoh Naotaka Fujita | 2003 | Journal of Gastroenterology2003，，6： | 1 |
| 10 | Complete genome analysis of a rabies virus isolate from Brazilian wild fox显示文摘 | Nobuyuki Mochizuki Yuki Kobayashi Go Sato Takuya Itou Alberio Antonio Barros Gomes Fumio Honma Ito Takeo Sakai | 2009 | Archives of Virology2009，，9： | 1 |
| 11 | Hepatitis B virus X protein shifts human hepatic transforming growth factor (TGF)‐β signaling from tumor suppression to oncogenesis in early chronic hepatitis B显示文摘 | Miki Murata Koichi Matsuzaki Katsunori Yoshida Go Sekimoto Yoshiya Tahashi Shigeo Mori Yoshiko Uemura Noriko Sakaida Junichi Fujisawa Toshihito Seki Kazuki Kobayashi Koutaro Yokote Kazuhiko Koike Kazuichi Okazaki | 2009 | Hepatology2009，，4： | 1 |
| 12 | Therapeutic endoscopic retrograde cholangiography using a single‐balloon enteroscope in patients with R oux‐en‐ Y anastomosis显示文摘 | Takashi Obana Naotaka Fujita Kei Ito Yutaka Noda Go Kobayashi Jun Horaguchi Shinsuke Koshita Yoshihide Kanno Takahisa Ogawa Shinichi Hashimoto Kaori Masu | 2013 | Digestive Endoscopy2013，，6： | 1 |
| 13 | Mode of progression of intraductal papillary-mucinous tumor of the pancreas: analysis of patients with follow-up by EUS显示文摘 | Go Kobayashi Naotaka Fujita Yutaka Noda Kei Ito Jun Horaguchi Osamu Takasawa Satoshi Akaishi Takashi Tsuchiya Masao Kobari | 2005 | Journal of Gastroenterology2005，，7： | 1 |
| 14 | 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显示文摘 | Kei Ito Naotaka Fujita Yutaka Noda Go Kobayashi Takashi Obana Jun Horaguchi Osamu Takasawa Shinsuke Koshita Yoshihide Kanno Takahisa Ogawa | 2010 | Journal of Gastroenterology2010，，11： | 1 |
| 15 | Histological study of gallbladder and bile duct epithelia in patients with anomalous arrangement of the pancreaticobiliary ductal system: comparison between those with and without a dilated common bile duct显示文摘 | Yutaka Noda Naotaka Fujita Go Kobayashi Kei Ito Jun Horaguchi Osamu Takasawa Takashi Obana Kazuhiko Ishida Shigeharu Senoo Makoto Yonechi Takashi Suzuki Dai Hirasawa Toshiki Sugawara Masao Kobari Takashi Sawai Miwa Uzuki Mika Watanabe | 2007 | Journal of Gastroenterology2007，，3： | 1 |
| 16 | Regulation of Glycolysis by Pdk Functions as a Metabolic Checkpoint for Cell Cycle Quiescence in Hematopoietic Stem Cells显示文摘 | Keiyo Takubo Go Nagamatsu Chiharu I. Kobayashi Ayako Nakamura-Ishizu Hiroshi Kobayashi Eiji Ikeda Nobuhito Goda Yasmeen Rahimi Randall S. Johnson Tomoyoshi Soga Atsushi Hirao Makoto Suematsu Toshio Suda | 2013 | Cell Stem Cell2013，，1： | 1 |
| 17 | Autoimmune pancreatitis and multiple bile duct strictures treated effectively with steroid显示文摘 | Eigo Kojima Katsumi Kimura Yutaka Noda Go Kobayashi Kei Itoh Naotaka Fujita | 2003 | Journal of Gastroenterology2003，，6： | 1 |
| 18 | ERCP for intradiverticular papilla: two-devices-in-one-channel method显示文摘 | Naotaka Fujita Yutaka Noda Go Kobayashi Katsumi Kimura Akio Yago | 1998 | Gastrointestinal Endoscopy1998，，5： | 1 |
| 19 | 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显示文摘 | Kei Ito Naotaka Fujita Yutaka Noda Go Kobayashi Takashi Obana Jun Horaguchi Osamu Takasawa Shinsuke Koshita Yoshihide Kanno Takahisa Ogawa | 2010 | Journal of Gastroenterology2010，，11： | 1 |
| 20 | Cholecystectomy alone is inadequate for treating forme fruste choledochal cyst: evidence from a rare but important case report显示文摘 | Go Miyano Atsuyuki Yamataka Akihiro Shimotakahara Hiroyuki Kobayashi Geoffrey J. Lane Takeshi Miyano | 2005 | Pediatric Surgery International2005，，1： | 1 |
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