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| 1 | Helicobacter pylori infection and liver diseases: Epidemiology and insights into pathogenesis显示文摘Both Helicobacter pylori(H. pylori) infection and liver diseases, including nonalcoholic fatty liver disease(NAFLD), viral hepatitis, and hepatocellular carcinoma(HCC), have high prevalences worldwide, and the relationship between H. pylori infection and liver disease has been discussed for many years. Although positive correlations between H. pylori and NAFLD have been identified in some clinical and experimental studies, nega-tive correlations have also been obtained in high-quality clinical studies. Associations between H. pylori and the pathogenesis of chronic viral hepatitis, mainly disease progression with fibrosis, have also been suggested in some clinical studies. Concerning HCC, a possible role for H. pylori in hepatocarcinogenesis has been identified since H. pylori genes have frequently been detected in resected HCC specimens. However, no study hasrevealed the direct involvement of H. pylori in promoting the development of HCC. Although findings regarding the correlations between H. pylori and liver disease pathogenesis have been accumulating, the existing data do not completely lead to an unequivocal conclusion. Further high-quality clinical and experimental analyses are necessary to evaluate the efficacy of H. pylori eradication in ameliorating the histopathological changes observed in each liver disease. | Kazuya Okushin Takeya Tsutsumi Kazuhiko Ikeuchi Akira Kado Kenichiro Enooku Hidetaka Fujinaga Kyoji Moriya Hiroshi Yotsuyanagi Kazuhiko Koike | 2018 | World Journal of Gastroenterology2018，24，32： | 15 |
| 2 | Endoscopic ultrasound-guided choledochoduodenostomy in patients with failed endoscopic retrograde cholangiopancreatography显示文摘Endoscopic ultrasonography (EUS)-guided biliary drainage was performed for treatment of patients who have obstructive jaundice in cases of failed endoscopic retrograde cholangiopancreatography (ERCP). In the present study,we introduced the feasibility and outcome of EUS-guided choledochoduodenostomy in four patients who failed in ERCP. We performed the procedure in 2 papilla of Vater,including one resectable case,and 2 cases of cancer of the head of pancreas. Using a curved linear array echoendoscope,a 19 G needle or a needle knife was punctured transduodenally into the bile duct under EUS visualization. Using a biliary catheter for dilation,or papillary balloon dilator,a 7-Fr plastic stent was inserted through the choledochoduodenostomy site into the extrahepatic bile duct. In 3 (75%) of 4 cases,an indwelling plastic stent was placed,and in one case in which the stent could not be advanced into the bile duct,a naso-biliary drainage tube was placed instead. In all cases,the obstructive jaundice rapidly improved after the procedure. Focal peritonitis and bleeding not requiring blood transfusion was seen in one case. In this case,pancreatoduodenectomy was performed and the surgical findings revealed severe adhesion around the choledochoduodenostomy site. Although further studies and development of devices are mandatory,EUS-guided choledochoduodenostomy appears to be an effective alternative to ERCP in selected cases. | Takao Itoi Fumihide Itokawa Atsushi Sofuni Toshio Kurihara Takayoshi Tsuchiya Kentaro Ishii Shujiro Tsuji Nobuhito Ikeuchi Fuminori Moriyasu | 2008 | World Journal of Gastroenterology2008，14，39： | 13 |
| 3 | Safety trial of high-intensity focused ultrasound therapy for pancreatic cancer显示文摘AIM:To evaluate the safety and clinical application of high-intensity focused ultrasound(HIFU)therapy for unresectable pancreatic cancer(PC).METHODS:Thirty PC patients(16 cases in stage III and 14 cases in stage IV)with visualized pancreatic tumors were admitted for HIFU therapy as an optional local therapy in addition to systemic chemotherapy or chemoradiotherapy.Informed consent was obtained.This study began at the end of 2008 and was approved by the ethics committee of our hospital[Institutional Review Board(IRB):890].The HIFU device used was the FEP-BY02(Yuande Bio-Medical Engineering,Beijing,China).RESULTS:The mean tumor size after HIFU therapy changed to 30.9±1.7 mm from 31.7±1.7 mm at pre-therapy.There were no significant changes in tumor size,mean number of treatment sessions(2.7±0.1 mm),or mean total treatment time(2.4±0.1 h).The rate of symptom relief effect was 66.7%.The effectiveness of primary lesion treatment was as follows:complete response,0;partial response,4;stable disease,22;progressive disease,4.Treatment after HIFU therapy included 2 operations,24 chemotherapy treatments,and 4 best supportive care treatments.Adverse events occurred in 10%of cases,namely pseudocyst formation in 2 cases and mild pancreatitis development in 1.However,no severe adverse events occurred in this study.CONCLUSION:We suggest that HIFU therapy is safe and has the potential to be a new method of combination therapy for PC. | Atsushi Sofuni Fuminori Moriyasu Takatomo Sano Fumihide Itokawa Takayoshi Tsuchiya Toshio Kurihara Kentaro Ishii Syujiro Tsuji Nobuhito Ikeuchi Reina Tanaka Junko Umeda Ryosuke Tonozuka Mitsuyoshi Honjo Shuntaro Mukai Mitsuru Fujita Takao Itoi | 2014 | World Journal of Gastroenterology2014，20，28： | 12 |
| 4 | Prospective postsurgical capsule endoscopy in patients with Crohn's disease显示文摘AIM: To clarify the usefulness of postsurgical capsule endoscopy(CE) in the diagnosis of recurrent small bowel lesions of Crohn's disease(CD). METHODS: This prospective study included 19 patients who underwent ileocolectomy or partial ileal resection for CD. CE was performed 2-3 wk after surgery to check for the presence/absence and severity of lesions remaining in the small bowel, and for any recurrence at the anastomosed area. CE was repeated 6-8 mo after surgery and the findings were compared with those obtained shortly after surgery. The Lewis score (LS) was used to evaluate any inflammatory changes of the small bowel. RESULTS: One patient was excluded from analysis because of insufficient endoscopy data at the initial CE. The total LS shortly after surgery was 428.3 on average(median, 174; range, 8-4264), and was ≥ 135(active stage) in 78%(14 of 18) of the patients. When the remaining unresected small bowel was divided into 3 equal portions according to the transition time(proximal, middle, and distal tertiles), the mean LS was 286.6, 83.0, and 146.7, respectively, without any significant difference. Ulcerous lesions in the anastomosed area were observed in 83% of all patients. In 38% of the 13 patients who could undergo CE again after 6-8 mo, the total LS was higher by ≥ 100 than that recorded shortly after surgery, thus indicating a diagnosis of endoscopic progressive recurrence. CONCLUSION: Our pilot study suggests that CE can be used to objectively evaluate the postoperative recurrence of small bowel lesions after surgery for CD. | Tomoaki Kono Nobuyuki Hida Koji Nogami Masaki Iimuro Yoshio Ohda Yoko Yokoyama Koji Kamikozuru Katsuyuki Tozawa Mikio Kawai Tomohiro Ogawa Kazutoshi Hori Hiroki Ikeuchi Hiroto Miwa Shiro Nakamura Takayuki Matsumoto | 2014 | World Journal of Gastrointestinal Endoscopy2014，6，3： | 7 |
| 5 | Prognosis of cancer with branch duct type IPMN of the pancreas显示文摘AIM:To examine the coexistence of metachronous and synchronous cancer in branch duct intraductal papillary mucinous neoplasms of the pancreas (IPMN).METHODS: We reviewed the records of 145 patients with branch duct IPMN between January 1991 and April 2008 and assessed the relationship between IPMN and intraor extra-pancreatic carcinoma and the outcome of IPMN.RESULTS: The mean observation period was 55.9 ± 45.3 mo. Among the 145 patients, the frequency of extra-pancreatic cancer was 29.0%. The frequency of gastric cancer, colon cancer, breast cancer, and pan-creatic cancer were 25.5%, 15.7%, 13.7%, and 9.8%, respectively. Twenty (13.8%) of the patients died. The cause of death was extra-pancreatic carcinoma in 40%,pancreatic cancer in 25%, IPMN per se in 20%, and benign disease in 15% of the patients.CONCLUSION: The prognosis for IPMN depends not on the IPMN per se, but on the presence of intraor extra-pancreatic cancer. | Nobuhito Ikeuchi Takao Itoi Atsushi Sofuni Fumihide Itokawa Takayoshi Tsuchiya Toshio Kurihara Kentaro Ishii Shujiro Tsuji Junko Umeda Fuminori Moriyasu Akihiko Tsuchida Kazuhiko Kasuya | 2010 | World Journal of Gastroenterology2010，16，15： | 3 |
| 6 | Usefulness of contrast-enhanced ultrasonography in determining treatment efficacy and outcome after pancreatic cancer chemotherapy显示文摘AIM:To investigate if contrast-enhanced ultrasonography(CE-US) is useful for determining treatment efficacy and outcome in the early stages of pancreatic cancer chemotherapy by assessing changes in intratumor hemodynamics using CE-US with a contrast agent.METHODS:The subjects were 34 patients with unresectable advanced pancreatic cancer treated by chemotherapy.CE-US was assessed after every treatment(course) completion under the same conditions,and patients were divided into two groups according to the intratumor enhancement pattern:Vascular rich(R) group and vascular poor(P) group.RESULTS:After the second course of treatment,R group in intratumor hemodynamics had 18 patients,and P group had 16 patients.The reduction rates of serum CA19-9 level after chemotherapy which decreased to half or less of the baseline level were 2/15(0.1%) in P group,but 11/16(69%) in R group(P = 0.006).When the mean number of courses of chemotherapy and outcome were compared,P group had a mean number of courses of 4.9(R group,10.2) and mean survival time(MST) of 246 d(R group,402 d),showing that outcome was significantly better in R group(P=0.006).CONCLUSION:CE-US revealed that the change in intratumor blood flow correlated with both serum CA19-9 level and outcome.Patients with serum CA19-9 that decreased to less than half the baseline level,and patients with an abundant intratumor blood flow,had a significantly better outcome.Thus,CE-US is potentially useful for evaluating treatment efficacy and outcome in the early stages of pancreatic cancer chemotherapy. | Atsushi Sofuni Takao Itoi Fumihide Itokawa Takayoshi Tsuchiya Toshio Kurihara Kentaro Ishii Syujiro Tsuji Nobuhito Ikeuchi Fuminori Moriyasu | 2008 | World Journal of Gastroenterology2008，14，47： | 3 |
| 7 | Diffuse gastroduodenitis and pouchitis associated with ulcerative colitis显示文摘We experienced a very rare case of ulcerative colitis (UC) accompanied with analogous lesions in the stomach, duodenum, and ileal J -pouch. Ileal J-pouch anal anastomosis was performed on a 29-year old woman in 1996. Six years later, she was admitted again to our hospital because of epigastralgia, nausea, watery diarrhea and low fever. Based on the results of endoscopic examination, we diagnosed it as pouchitis. Moreover, on hypotonic duodenography, expansion of the duodenal bulb and the descending portion were poor. Kerckring folds disappeared with typical lead-pipe appearance. The pathogenesis of the gastric and duodenal lesion in this patient was similar to that of the colonic lesions of UC. For the gastroduodenal lesions in this patient, symptomatic remission was obtained following administration of crushed mesalazine tablets (1500 mg/d) for 14 d with continuous administration of omeprazole. Firstly we used ciprofloxacin to treat pouchitis. On the fifth day, she got a fever because of catheter infection. In the catheter culture, methicillin-resistant Staphylococcus aureus (MRSA) was detected. Therefore we changed ciprofloxacin to vancomycin hydrochloride (Vancomycin?). Vancomycin was very effective, and the stool frequency dramatically improved in three days. Now she continues to take mesalazine, but her condition is stable and there has been no recurrence of pouchitis. | Hiroki Ikeuchi Kazutoshi Hori Takashi Nishigami Hiroki Nakano Motoi Uchino Mitsuhiro Nakamura Nobuaki Kaibe Masafumi Noda Hidenori Yanagi Takehira Yamamura | 2006 | World Journal of Gastroenterology2006，12，36： | 3 |
| 8 | Long-term efficacy of infliximab maintenance therapy for perianal Crohn’s disease显示文摘AIM:To assess the long-term efficacy of seton drainage with infliximab maintenance therapy in treatment of stricture for perianal Crohn’s disease(CD). METHODS:Sixty-two patients with perianal CD who required surgical treatment with or without infliximab between September 2000 and April 2010 were identified from our clinic’s database.The activities of the perianal lesions were evaluated using the modified perianal CD activity index(mPDAI)score.The primary endpoint was a clinical response at 12-15 wk after surgery as a shortterm efficacy.Secondary endpoints were recurrence as reflected in the mPDAI score,defined as increased points in every major element.The clinical responses were classified as completely healed(mPDAI=0),partially improved(mPDAI score decreased more than 4 points),and failure or recurrence(mPDAI score increased or decreased less than 3 points). RESULTS:There were 43 males and 19 females,of whom 26 were consecutively treated with infliximab after surgery as maintenance therapy.Complete healing was not seen.Failure was seen in 10/36(27.8%) patients without infliximab and 4/26(15.4%)patients with infliximab(P=0.25).Partial improvement was seen in 26/36(72.2%)patients without infliximab and 22/26(88.5%)patients with infliximab(P=0.25). Short-term improvement was achieved in 48/62(77.4%) patients.Although the mPDAI score improved significantly with surgery regardless of infliximab,it decreased more from baseline in patients with infliximab(50.0%) than in those without infliximab(28.6%),(P=0.003). In the long-term,recurrence rates were low regardless of infliximab in patients without anorectal stricture.In patients with anorectal stricture,cumulative recurrence incidences increased gradually and exceeded 40%at 5 years regardless of infliximab.No efficacy of infliximab treatment was found(P=0.97).Although the cumulative rate of ostomy creation was also low in patients without stricture and high in patients with stricture,no protective efficacy was found with infliximab treatment(P =0.6 without stricture,P=0.22 with stricture). CONCLUSION:Infliximab treatment was demonstrated to have short-term efficacy for perianal lesions.Longterm benefit with infliximab was not proven,at least in patients with anorectal stricture. | Motoi Uchino Hiroki Ikeuchi Toshihiro Bando Hiroki Matsuoka Yoshio Takesue Yoshiko Takahashi Takayuki Matsumoto Naohiro Tomita | 2011 | World Journal of Gastroenterology2011，17，9： | 2 |
| 9 | Clinical evaluation of a novel lumen-apposing metal stent for endosonography-guided pancreatic pseudocyst and gallbladder drainage (with videos)显示文摘 | Takao Itoi Kenneth F. Binmoeller Janak Shah Atsushi Sofuni Fumihide Itokawa Toshio Kurihara Takayoshi Tsuchiya Kentaro Ishii Shujiro Tsuji Nobuhito Ikeuchi Fuminori Moriyasu | 2012 | Gastrointestinal Endoscopy2012，，4： | 2 |
| 10 | Scheduled infliximab monotherapy to prevent recurrence of Crohn’s disease following ileocolic or ileal resection: A 3‐year prospective randomized open trial显示文摘 | Koji Yoshida Ken Fukunaga Hiroki Ikeuchi Koji Kamikozuru Nobuyuki Hida Yoshio Ohda Yoko Yokoyama Masaki Iimuro Naohisa Takeda Kyoichi Kato Risa Kikuyama Kazuko Nagase Kazutoshi Hori Shiro Nakamura Hiroto Miwa Takayuki Matsumoto | 2011 | Inflamm Bowel Dis2011，，9： | 2 |
| 11 | Endoscopic ultrasonography-guided biliary drainage显示文摘 | Takao Itoi Atsushi Sofuni Fumihide Itokawa Takayoshi Tsuchiya Toshio Kurihara Kentaro Ishii Shujiro Tsuji Nobuhito Ikeuchi Junko Umeda Fuminori Moriyasu Akihiko Tsuchida | 2010 | Journal of Hepato-Biliary-Pancreatic Sciences2010，，5： | 2 |
| 12 | New large-diameter balloon-equipped sphincterotome for removal of large bile duct stones (with videos)显示文摘 | Takao Itoi Atsushi Sofuni Fumihide Itokawa Toshio Kurihara Takayoshi Tsuchiya Kentaro Ishii Shujiro Tsuji Nobuhito Ikeuchi Junko Umeda Fuminori Moriyasu | 2010 | Gastrointestinal Endoscopy2010，，4： | 2 |
| 13 | Surface reflection: physical and geometrical perspectives显示文摘 | NAYAR S K IKEUCHI K KANADE T | 1991 | IEEE Transactions on Pattern Analysis and Machine Intelligence1991，13，7： | 1 |
| 14 | Inhibition of TGF-beta signaling exacerbates early cardiac dysfunction but prevents late remodeling after infarction 显示文摘 | IKEUCHI M TSUTSUI H SHIOMI T | 2004 | Cardiovasc Res2004，64，3： | 1 |
| 15 | Task-oriented generation of visual sensing strategies in assembly tasks显示文摘 | Miura J Ikeuchi K | 1998 | IEEE Transactions on Pattern Analysis and Machine Intelligence1998，20，2： | 1 |
| 16 | Oxidative stress-depen-dent conversion of hydrogen sulfide to sulfite by activated neutrophils显示文摘 | Mitsuhashi H Yamashita S Ikeuchi H | 2005 | Shock2005，24，6： | 1 |
| 17 | Transparent surface modeling from a pair of polarization images显示文摘 | Miyazaki D Kagesawa M Ikeuchi K | 2004 | IEEE Transactions on Pattern Analysis and Machine Intelligence2004，26，1： | 1 |
| 18 | Oxidative stress - dependent conversion of hydrogen sulfide to sulfite by activated neutrophils 显示文摘 | Mitsuhashi H Yamashita S Ikeuchi H | 2005 | Shock2005，24，6： | 1 |
| 19 | Exuemely large mesoporous carbon fibers synthesized by the addition of rare earth metal complexes and their unique adsorption behaviors 显示文摘 | Tamai H Ikeuchi M Kojima S | 1997 | Adv Mater1997，9，1： | 1 |
| 20 | 2,2’-β-Hydroxylase(CrtG)isinvolved in carotenogenesis of both nostoxanthin and 2-hydroxymyxol 2’-fucoside in Thermosynechococcus elongatus strain BP-1显示文摘 | IWAI M MAOKA T IKEUCHI M | 2008 | Plant CellPhysiol2008，49，： | 1 |
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