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| 1 | Diagnostic and therapeutic single-operator cholangiopancreatoscopy in biliopancreatic diseases:Prospective multicenter study in Japan显示文摘AIM: To assess the utility and safety of single-operator cholangiopancreatoscopy(SOCPS) using the Spy Glass system in widespread clinical application for biliary and pancreatic diseases.METHODS: This study was a prospective case series conducted in 20 referral centers in Japan. There were 148 patients who underwent SOCPS; 124 for biliary diseases and 24 for pancreatic diseases. The attempted interventions were SOCPS examination, SOCPS-directed tissue sampling, and therapy for stone removal, among others. The main outcomes were related to the procedure success rate in terms of visualizing the target lesions, SOCPS-directed adequate tissue sampling, and complete stone removal. RESULTS: A total of 148 patients were enrolled for the diagnosis of indeterminate biliary and pancreatic lesions or treatment of biliary and pancreatic disease. The overall procedure success rate of visualizing the target lesions was 91.2%(135/148). The overall procedural success rates of visualizing the target lesions of diagnostic SOCPS in the bile duct and pancreatic duct were 95.5%(84/89) and 88.2%(15/17), respectively. Diagnosis: the overall adequate tissue for histologic examination was secured in 81.4% of the 86 patients who underwent biopsy under SOCPS(bile duct, 60/75, 80.0%; pancreatic duct, 10/11, 90.9%). The accuracy of histologic diagnosis using SOCPS-directed biopsies in indeterminate bile duct lesions was 70.7%(53/75). In the pancreatic duct, the accuracy of SOCPS visual impression of intraductal papillary mucinous neoplasm was 87.5%(14/16). Stone therapy: complete biliary and pancreatic stone clearance combined with SOCPS-directed stone therapy using electrohydraulic lithotripsy or laser lithotripsy was achieved in 74.2%(23/31) and 42.9%(3/7) of the patients, respectively. Others: SOCPS using the Spy Glass system was used in cannulation of the cystic duct in two patients and for passing across the obstructed self-expandable metallic stent for a malignant biliary stricture in two patients. All procedures were successful in both SOCPS-guided therapies. The incidence of procedure-related adverse events was 5.4%(8/148). CONCLUSION: SOCPS with direct visualization and biopsy for diagnosis and SOCPS-directed therapy for biliary and pancreatic diseases can be safely performed with a high success rate. | Toshio Kurihara Ichiro Yasuda Hiroyuki Isayama Toshio Tsuyuguchi Taketo Yamaguchi Ken Kawabe Yoshinobu Okabe Keiji Hanada Tsuyoshi Hayashi Takao Ohtsuka Syuhei Oana Hiroshi Kawakami Yoshinori Igarashi Kazuya Matsumoto Kiichi Tamada Shomei Ryozawa Hiroki Kawashima Yutaka Okamoto Iruru Maetani Hiroyuki Inoue Takao Itoi | 2016 | World Journal of Gastroenterology2016，22，5： | 20 |
| 2 | Continuous regional arterial infusion therapy with gabexate mesilate for severe acute pancreatitis显示文摘AIM: To evaluate the effi cacy of continuous regional arterial infusion therapy (CRAI) with gabexate mesilate and antibiotics for severe acute pancreatitis (SAP). METHODS: We conducted a prospective study on patients who developed SAP with or without CRAI. Out of 18 patients fulf illed clinical diagnostic criteria for SAP in Japan, 9 patients underwent CRAI, while 9 patients underwent conventional systemic protease inhibitor and antibiotics therapy (non-CRAI). CRAI was initiated within 72 h of the onset of pancreatitis. Gabexate mesilate (2400 mg/d) was continuously administered for 3 to 5 d. The clinical outcome including serum infl ammation-related parameters were examined. RESULTS: The duration of abdominal pain in the CRAI group was 1.9 ± 0.26 d, whereas that in the non-CRAI group was 4.3 ± 0.50. The duration of SIRS in the CRAI group was 2.2 ± 0.22 d, whereas that in the non- CRAI group was 3.2 ± 0.28. Abdominal pain and SIRS disappeared signifi cantly in a short period of time after the initiation of CRAI using gabexate mesilate. The average length of hospitalization signifi cantly differed between the CRAI and non-CRAI groups, 53.3 ± 7.9 d and 87.4 ± 13.9 d, respectively. During the first two weeks, levels of serum CRP and the IL6/IL10 ratio in the CRAI group tended to have a rapid decrease compared to those in the non-CRAI group. CONCLUSION: The present results suggest that CRAI using gabexate mesilate was effective against SAP. | Yoshifumi Ino Yoshiyuki Arita Tetsuro Akashi Toshinari Kimura Hisato Igarashi Takamasa Oono Masayuki Furukawa Ken Kawabe Keiichiro Ogoshi Jiro Ouchi Toshihiko Miyahara Ryoichi Takayanagi Tetsuhide Ito | 2008 | World Journal of Gastroenterology2008，14，41： | 20 |
| 3 | Acute pancreatitis associated with peroral double-balloon enteroscopy: A case report显示文摘人有的一个 58 岁的日本人逗留凳子和严重贫血症。既不上面也不更低胃肠(官方补给) 内视镜检查法显示出任何局部性的损害。因此,他的官方补给的流血的来源被怀疑在小肠,并且他用 EN-450T5 每口头的双汽球肠寄生物(DBE ) 经历了(Fujinon 东芝 ES 系统公司,东京,日本) 。没有损害,考虑是官方补给的流血的来源。在过程以后,病人开始经历了腹的疼痛。实验室测试揭示了血淀粉酶过多,腹的计算断层摄影术揭示了胰和仙子胰的发炎。他因此被诊断有尖锐胰腺炎。保守疗法导致了临床并且实验室改善。他没有白酒摄取,胆石疾病或胰腺炎的历史。磁性的回声 cholangiopancreatography 没在 pancreatobiliary 管的系统表明结构的改变和没有石头。当他的腹的疼痛在过程以后开始了,他的尖锐胰腺炎因此被认为与 per 有关是口头的 DBE。这是可能与联系的尖锐胰腺炎的首先报导的案例每口头的 DBE。 | Kuniomi Honda Takahiro Mizutani Kazuhiko Nakamura Naomi Higuchi Kenji Kanayama Yorinobu Sumida Shigetaka Yoshinaga Soichi Itaba Hirotada Akiho Ken Kawabe Yoshiyuki Arita Tetsuhide Ito | 2006 | World Journal of Gastroenterology2006，12，11： | 11 |
| 4 | Endoscopic approach through the minor papilla for the management of pancreatic diseases显示文摘AIM:To clarify the efficacy and safety of an endoscopic approach through the minor papilla for the management of pancreatic diseases.METHODS:This study included 44 endoscopic retrograde cholangiopancreatography(ERCP) procedures performed in 34 patients using a minor papilla approach between April 2007 and March 2012.We retrospectively evaluated the clinical profiles of the patients,the endoscopic interventions,short-term outcomes,and complications.RESULTS:Of 44 ERCPs,26 were diagnostic ERCP,and 18 were therapeutic ERCP.The most common cause of difficult access to the main pancreatic duct through the major papilla was pancreas divisum followed by distortion of Wirsung's duct.The overall success rate of minor papilla cannulation was 80%(35/44),which was significantly improved by wire-guided cannulation(P = 0.04).Endoscopic minor papillotomy(EMP) was performed in 17 of 34 patients(50%) using a needle-knife(13/17) or a pull-type papillotome(4/17).EMP with pancreatic stent placement,which was the main therapeutic option for patients with chronic pancreatitis,recurrent acute pancreatitis,and pancreatic pseudocyst,resulted in short-term clinical improvement in 83% of patients.Mild post-ERCP pancreatitis occurred as an early complication in 2 cases(4.5%).CONCLUSION:The endoscopic minor papilla approach is technically feasible,safe,and effective when the procedure is performed in a high-volume referral center by experienced endoscopists. | Nao Fujimori Hisato Igarashi Akira Asou Ken Kawabe Lingaku Lee Takamasa Oono Taichi Nakamura Yusuke Niina Masayuki Hijioka Masahiko Uchida Kazuhiro Kotoh Kazuhiko Nakamura Tetsuhide Ito Ryoichi Takayanagi | 2013 | World Journal of Gastrointestinal Endoscopy2013，5，3： | 6 |
| 5 | Lysophosphatidic acid induced nuclear translocation of nuclear factor-κB in Panc-1 cells by mobilizing cytosolic free calcium显示文摘AIM: To clarify whether Lysophosphatidic acid (LPA) activates the nuclear translocation of nuclear factor-κB (NF-κB) in pancreatic cancer. METHODS: Panc-1, a human pancreatic cancer cell line, was used throughout the study. The expression of LPA receptors was confirmed by reverse-transcript polymerase chain reaction (RT-PCR). Cytosolic free calcium was measured by fluorescent calcium indicator fura-2, and the localization of NF-κB was visualized by immunofluorescent method with or without various agents, which effect cell signaling. RESULTS: Panc-1 expressed LPA receptors, LPA1, LPA2 and LPA3. LPA caused the elevation of cytosolic free calcium dose-dependently. LPA also caused the nuclear translocation of NF-κB. Cytosolic free calcium was attenuated by pertussis toxin (PTX) and U73122, an inhibitor of phospholipase C. The translocation of NF-κB was similarly attenuated by PTX and U73122, but phorbol ester, an activator of protein kinase C, alone did not translocate NF-κB. Furthermore, the translocation of NF-κB was completely blocked by Ca2+ chelator BAPTA-AM. Thapsigargin, an endoplasmic- reticulum Ca2+-ATPase pump inhibitor, also promoted the translocation of NF-κB. Staurosporine, a proteinkinase C inhibitor, attenuated translocation of NF-κB induced by LPA. CONCLUSION: These findings suggest that protein kinase C is activated endogenously in Panc-1, and protein kinase C is essential for activating NF-κB with cytosolic calcium and that LPA induces the nuclear translocation of NF-κB in Panc-1 by mobilizing cytosolic free calcium. | Yoshiyuki Arita Tetsuhide Ito Takamasa Oono Ken Kawabe Terumasa Hisano Ryoichi Takayanagi | 2008 | World Journal of Gastroenterology2008，14，28： | 5 |
| 6 | Familial pancreatic cancer: Concept, management and issues显示文摘Familial pancreatic cancer (FPC) is broadly defined as two first-degree-relatives with pancreatic cancer (PC) and accounts for 4%-10% of PC. Several genetic syndromes, including Peutz-Jeghers syndrome, hereditary pancreatitis, hereditary breast-ovarian cancer syndrome(HBOC), Lynch syndrome, and familial adenomatous polyposis (FAP), also have increased risks of PC, but the narrowest definition of FPC excludes these known syndromes. When compared with other familial tumors, proven genetic alterations are limited to a small proportion (<20%) and the familial aggregation is usually modest. However, an ethnic deviation (Ashkenazi Jewish>Caucasian) and a younger onset are common also in FPC. In European countries, 'anticipation' is reported in FPC families, as with other hereditary syndromes; a trend toward younger age and worse prognosis is recognized in the late years. The resected pancreases of FPC kindred often show multiple pancreatic intraepithelial neoplasia (Pan IN) foci, with various K-ras mutations, similar to colorectal polyposis seen in the FAP patients. As with HBOC patients, a patient who is a BRCA mutation carrier with unresectable pancreatic cancer (accounting for 0%-19% of FPC patients) demonstrated better outcome following platinum and Poly (ADP-ribose) polymerase inhibitor treatment. Western countries have established FPC registries since the 1990 s and several surveillance projects for highrisk individuals are now ongoing to detect early PCs. Improvement in lifestyle habits, including non-smoking, is recommended for individuals at risk. In Japan, the FPC study group was initiated in 2013 and the Japanese FPC registry was established in 2014 by the Japan Pancreas Society. | Hiroyuki Matsubayashi Kyoichi Takaori Chigusa Morizane Hiroyuki Maguchi Masamichi Mizuma Hideaki Takahashi Keita Wada Hiroko Hosoi Shinichi Yachida Masami Suzuki Risa Usui Toru Furukawa Junji Furuse Takamitsu Sato Makoto Ueno Yoshimi Kiyozumi Susumu Hijioka Nobumasa Mizuno Takeshi Terashima Masaki Mizumoto Yuzo Kodama Masako Torishima Takahisa Kawaguchi Reiko Ashida Masayuki Kitano Keiji Hanada Masayuki Furukawa Ken Kawabe Yoshiyuki Majima Toru Shimosegawa | 2017 | World Journal of Gastroenterology2017，23，6： | 5 |
| 7 | Hepcidin/ferroportin expression levels involve efficacy of pegylated-interferon plus ribavirin in hepatitis C virusinfected liver显示文摘AIM:To investigate the relationship between the ironmetabolism-related gene expression profiles and efficacy of antiviral therapy in chronic hepatitis C patients.METHODS:The hepatic expression profile of ironmetabolism-related genes was analyzed and its association with virological response to pegylated-interferon plus ribavirin combination therapy was evaluated.A hundred patients with chronic hepatitis C(genotype1b,n = 50; genotype 2,n = 50) were enrolled and retrospectively analyzed.Liver biopsy samples were subjected to quantitative polymerase chain reaction for iron-metabolismrelated genes and protein expression(Western blotting analysis) for ferroportin.As a control,normal liver tissue was obtained from 18 living donors of liver transplantation.Serum hepcidin level was measured by sensitive liquid chromatography/electrospray ionization tandem mass spectrometry.RESULTS:Iron overload is associated with liver damage by increasing oxidative stress and hepatitis C virus(HCV)is reported to induce iron accumulation in hepatocytes in vivo.Conversely,iron administration suppresses HCV replication in vitro.Therefore,the association between HCV infection and iron metabolism remains unclear.Compared with controls,patients had significantly higher gene expression for transferrin,iron-regulatoryproteins 1 and 2,divalent metal transporter 1,and ferroportin,but similar for transferrin receptors 1 and2,and hepcidin.When the expression profiles were compared between sustained virological response(SVR)and non-SVR patients,the former showed significantly lower transcription and protein expression of hepcidin and ferroportin.Expression of hepcidin-regulating genes,BMPR1,BMPR2,and hemojuvelin,was significantly increased,whereas BMP2 was decreased in HCV-infected liver.BMPR2 and hemojuvelin expression was significantly lower in the SVR than non-SVR group.HCV infection affects the expression of iron-metabolism-related genes,leading to iron accumulation in hepatocytes.CONCLUSION:Decreased expression of hepcidin and ferroportin in SVR patients indicates the importance of hepatocytic iron retention for viral response during pegylated-interferon plus ribavirin treatment. | Motoyuki Kohjima Tsuyoshi Yoshimoto Munechika Enjoji Nobuyoshi Fukushima Kunitaka Fukuizumi Tsukasa Nakamura Miho Kurokawa Nao Fujimori Yusuke Sasaki Yasushi Shimonaka Yusuke Murata Susumu Koyama Ken Kawabe Kazuhiro Haraguchi Yorinobu Sumida Naohiko Harada Masaki Kato Kazuhiro Kotoh Makoto Nakamuta | 2015 | World Journal of Gastroenterology2015，21，11： | 4 |
| 8 | Fractalkine and TGF-β1 levels reflect the severity of chronic pancreatitis in humans显示文摘AIM: To clarify whether serum chemokine and cytokine levels can become useful biological and functional markers to assess the severity of chronic pancreatitis (CP). This study aimed at clarifying whether serum chemokine and cytokine levels can become useful biological and functional markers to assess the severity of CP. METHODS: Serum monocyte chemoattractant protein-1 (MCP-1), transforming growth factor beta-1 (TGF-β1), and soluble type fractalkine (s-fractalkine) concentrations were examined in patients with CP (n = 109) and healthy controls (n = 116). Severity of disease was classified in patients with CP by a staging system. Relationships between stage-specifi c various clinical factors and serum MCP-1, TGF-β1, and s-fractalkine levels were investigated. Furthermore, 57 patients with non-alcoholic CP were similarly evaluated in order to exclude in? uence of alcohol intake. RESULTS: Patients with CP showed signifi cant higher levels of serum TGF-β1 and s-fractalkine, but not MCP-1, compared to the controls. Serum TGF-β1 in the severe stage and s-fractalkine in the mild and thesevere stage of CP significantly increased compared to those of controls. However, it was observed that both TGF-β1 and s-fractalkine levels were affected by alcohol intake. In patients with non-alcoholic CP, serum TGF-β1 showed significant increase in the moderate stage of CP, and serum s-fractalkine revealed signifi cant increase in the early stage of CP. CONCLUSION: It is suggested that the measurement of serum F-fractalkine is useful to diagnose early-stage CP. Moreover, the combined determination of both, s-fractalkine and TGF-β1, in human sera may be helpful in evaluating the severity status of CP. | Mikihiko Yasuda Tetsuhide Ito Takamasa Oono Ken Kawabe Toyoma Kaku Hisato Igarashi Taichi Nakamura Ryoichi Takayanagi | 2008 | World Journal of Gastroenterology2008，14，42： | 4 |
| 9 | Chemoradiotherapy with twice-weekly administration of low-dose gemcitabine for locally advanced pancreatic cancer显示文摘AIM:To evaluate the chemoradiotherapy for locally advanced pancreatic cancer utilizing low dose gemcitabine as a radiation sensitizer administered twice weekly. METHODS: We performed a retrospective analysis of chemoradiotherapy utilizing gemcitabine administered twice weekly at a dose of 40 mg/m2. After that, maintenance systemic chemotherapy with gemcitabine, at a dose of 1000 mg/m2, was administered weekly for 3 wk with 1-wk rest until disease progression or unacceptable toxicity developed. RESULTS: Eighteen patients with locally advanced unresectable pancreatic cancer were enrolled. Three of those patients could not continue with the therapy; one patient had interstitial pneumonia during radiation therapy and two other patients showed liver metastasis or peritoneal metastasis during an early stage of the therapy. The median survival was 15.0 mo and the overall 1-year survival rate was 60%, while the median progression-free survival was 8.0 mo. The subgroup which showed the reduction of tumor development, more than 50% showed a tendency for a better prognosis; however, other parameters including age, gender and performance status did not correlate with survival. The median survival of the groups that died of liver metastasis and peritoneal metastasis were 13.0 mo and 27.7 mo, respectively.CONCLUSION: Chemoradiotherapy with low-dose gemcitabine administered twice weekly could be effective to patients with locally advanced pancreatic cancer; however, patients developing liver metastases had a worse prognosis. Another chemoradiotherapy strategy might be needed for those patients, such as administrating one or two cycles of chemotherapy initially, followed by chemoradiotherapy for the cases with no distant metastases. | Hisato Igarashi Tetsuhide Ito Ken Kawabe Terumasa Hisano Yoshiyuki Arita Toyoma Kaku Ryoichi Takayanagi | 2008 | World Journal of Gastroenterology2008，14，34： | 3 |
| 10 | Blocking of monocyte chemoattractant protein-1 (MCP-1) activity attenuates the severity of acute pancreatitis in rats显示文摘 | Toshiaki Ishibashi Haifeng Zhao Ken Kawabe Takamasa Oono Kensuke Egashira Koichi Suzuki Hajime Nawata Ryoichi Takayanagi Tetsuhide Ito | 2008 | Journal of Gastroenterology2008，，1： | 1 |
| 11 | Preliminary results of a Japanese nationwide survey of neuroendocrine gastrointestinal tumors显示文摘 | Tetsuhide Ito Masao Tanaka Hironobu Sasano Yoshiyuki R. Osamura Iwao Sasaki Wataru Kimura Koji Takano Takao Obara Miyuki Ishibashi Kazuwa Nakao Ryuichiro Doi Akira Shimatsu Toshirou Nishida Izumi Komoto Yukio Hirata Masayuki Imamura Ken Kawabe Kazuhiko Na | 2007 | Journal of Gastroenterology2007，，6： | 1 |
| 12 | Lower Esophageal Sphincter- and Vagus-Preserving Proximal Partial Gastrectomy for Early Cancer of the Gastric Cardia显示文摘 | Toshihiro Hirai Hideo Matsumoto Katsumichi Iki Yoko Hirabayashi Yukiko Kawabe Masaharu Ikeda Masahiro Yamamura Shinji Hato Atsushi Urakami Kazuki Yamashita Tsukasa Tsunoda Ken Haruma | 2006 | Surgery Today2006，，10： | 1 |
| 13 | Blocking of monocyte chemoattractant protein-1 (MCP-1) activity attenuates the severity of acute pancreatitis in rats显示文摘 | Toshiaki Ishibashi Haifeng Zhao Ken Kawabe Takamasa Oono Kensuke Egashira Koichi Suzuki Hajime Nawata Ryoichi Takayanagi Tetsuhide Ito | 2008 | Journal of Gastroenterology2008，，1： | 1 |
| 14 | Treatment for autoimmune pancreatitis: consensus on the treatment for patients with autoimmune pancreatitis in Japan显示文摘 | Tetsuhide Ito Isao Nishimori Naoko Inoue Ken Kawabe Junya Gibo Yoshiyuki Arita Kazuichi Okazaki Ryoichi Takayanagi Makoto Otsuki | 2007 | Journal of Gastroenterology2007，，18： | 1 |
| 15 | Blocking of monocyte chemoattractant protein-1 (MCP-1) activity attenuates the severity of acute panereatitis in rats显示文摘 | TOSHIAKI ISHIBASHI HAIFENG ZHAO KEN KAWABE | 2008 | J GastroenteroI2008，43，： | 1 |
| 16 | Preliminary results of a Japanese nationwide survey of neuroendocrine gastrointestinal tumors显示文摘 | Tetsuhide Ito Masao Tanaka Hironobu Sasano Yoshiyuki R. Osamura Iwao Sasaki Wataru Kimura Koji Takano Takao Obara Miyuki Ishibashi Kazuwa Nakao Ryuichiro Doi Akira Shimatsu Toshirou Nishida Izumi Komoto Yukio Hirata Masayuki Imamura Ken Kawabe Kazuhiko Na | 2007 | Journal of Gastroenterology2007，，6： | 1 |
| 17 | Blocking of monocyte chemoattractant protein-1 (MCP-1) activity attenuates the severity of acute pancreatitis in rats显示文摘 | Toshiaki Ishibashi Haifeng Zhao Ken Kawabe Takamasa Oono Kensuke Egashira Koichi Suzuki Hajime Nawata Ryoichi Takayanagi Tetsuhide Ito | 2008 | Journal of Gastroenterology2008，，1： | 1 |
| 18 | Treatment for autoimmune pancreatitis: consensus on the treatment for patients with autoimmune pancreatitis in Japan显示文摘 | Tetsuhide Ito Isao Nishimori Naoko Inoue Ken Kawabe Junya Gibo Yoshiyuki Arita Kazuichi Okazaki Ryoichi Takayanagi Makoto Otsuki | 2007 | Journal of Gastroenterology2007，，18： | 1 |
| 19 | Treatment for autoimmune pancreatitis: consensus on the treatment for patients with autoimmune pancreatitis in Japan显示文摘 | Tetsuhide Ito Isao Nishimori Naoko Inoue Ken Kawabe Junya Gibo Yoshiyuki Arita Kazuichi Okazaki Ryoichi Takayanagi Makoto Otsuki | 2007 | Journal of Gastroenterology2007，，18： | 1 |
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