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| 1 | Risk factors for bleeding after endoscopic mucosal resection显示文摘AIM: To clarify the risk factors for bleeding after endoscopic mucosal resection (EMR).METHODS: A total of 297 consecutive patients who underwent EMR were enrolled. Some of the patients had multiple lesions. Bleeding requiring endoscopic treatment was defined as bleeding after EMR. Odds ratios (OR) with 95% confidence intervals (CI), calculated by logistic regression with multivariate adjustments for covariates,were the measures of association.RESULTS: Of the 297 patients, 57 (19.2%) patients with bleeding after EMR were confirmed. With multivariate adjustment, the cutting method of ENR, diameter, and endoscopic pattern of the tumor were associated with the risk of bleeding after ENR. The multivariate-adjusted OR for bleeding after EMR using endoscopic aspiration mucosectomy was 3.07 (95%CI, 1.59-5.92) compared with strip biopsy. The multiple-adjusted OR for bleeding after EMR for the highest quartile (16-50 mm) of tumor diameter was 5.63 (95%CI, 1.84-17.23) compared with that for the lowest (4-7 mm). The multiple-adjusted OR for bleeding after EM R for depressed type of tumor was 4.21 (95%CI, 1.75-10.10) compared with elevated type.CONCLUSION: It is important to take tumor characteristics (tumor size and endoscopic pattern) and cutting method of EMR into consideration in predicting bleeding after ENR. | Masatsugu Shiba Kazuhide Higuchi Kaori Kadouchi Ai Montani Kazuki Yamamori Hirotoshi Okazaki Makiko Taguchi Tomoko Wada Atsushi Itani Toshio Watanabe Kazunari Tominaga Yoshihiro Fujiwara Tomoshige Hayashi Kei Tsumura Tetsuo Arakawa | 2005 | World Journal of Gastroenterology2005，11，46： | 25 |
| 2 | BRIEF ARTICLE New reduced volume preparation regimen in colon capsule endoscopy显示文摘AIM:To evaluate the effectiveness of our proposed bowel preparation method for colon capsule endoscopy.METHODS:A pilot,multicenter,randomized controlled trial compared our proposed 'reduced volume method'(group A) with the 'conventional volume method'(group B) preparation regimens.Group A did not drink polyethylene glycol electrolyte lavage solution(PEGELS) the day before the capsule procedure,while group B drank 2 L.During the procedure day,groups A and B drank 2 L and 1 L of PEG-ELS,respectively,and swallowed the colon capsule(PillCam COLON capsule).Two hours later the first booster of 100 g magnesium citrate mixed with 900 mL water was administered to both groups,and the second booster was administered six hours post capsule ingestion as long as the capsule had not been excreted by that time.Capsule videos were reviewed for grading of cleansing level,RESULTS:Sixty-four subjects were enrolled,with results from 60 analyzed.Groups A and B included 31 and 29 subjects,respectively.Twenty-nine(94%) subjects in group A and 25(86%) subjects in group B had adequate bowel preparation(ns).Twenty-two(71%) of the 31 subjects in group A excreted the capsule within its battery life compared to 16(55%) of the 29 subjects in group B(ns).Of the remaining 22 subjects whose capsules were not excreted within the battery life,all of the capsules reached the left side colon before they stopped functioning.A single adverse event was reported in one subject who had mild symptoms of nausea and vomiting one hour after starting to drink PEG-ELS,due to ingesting the PEG-ELS faster than recommended.CONCLUSION:Our proposed reduced volume bowel preparation method for colon capsule without PEG-ELS during the days before the procedure was as effective as the conventional volume method. | Yasuo Kakugawa Yutaka Saito Shoichi Saito Kenji Watanabe Naoki Ohmiya Mitsuyuki Murano Shiro Oka Tetsuo Arakawa Hidemi Goto Kazuhide Higuchi Shinji Tanaka Hideki Ishikawa Hisao Tajiri | 2012 | World Journal of Gastroenterology2012，18，17： | 8 |
| 3 | Prognostic value of K - ras mutation status and subtypes in endoscopic ultrasound-guided fine-needle aspiration specimens from patients with unresectable pancreatic cancer显示文摘 | Takeshi Ogura Kenji Yamao Kazuo Hara Nobumasa Mizuno Susumu Hijioka Hiroshi Imaoka Akira Sawaki Yasumasa Niwa Masahiro Tajika Shinya Kondo Tsutomu Tanaka Yasuhiro Shimizu Vikram Bhatia Kazuhide Higuchi Waki Hosoda Yasushi Yatabe | 2013 | Journal of Gastroenterology2013，，5： | 4 |
| 4 | Does endoscopic ultrasound-guided biliary drainage really have clinical impact?显示文摘The well established, gold standard method for treatment of obstructive jaundice involves biliary drainage under endoscopic retrograde cholangiopancreatography(ERCP) performed by pancreatobiliary endoscopists. Recently, interventions using endoscopic ultrasound(EUS) have been developed not only for obtaining cytological and histological diagnosis, but also for biliary drainage as alternative method. EUS-guided biliary drainage(EUSBD) was first reported by Giovannini et al. EUS-BD broadly includes EUS-guided rendezvous technique, EUS-guided choledochoduodenostomy, and EUS-guided hepaticogastrostomy. More recently, EUS-guided antegrade stenting and EUS-guided gallbladder drainage have also been reported. many case reports, series, and retrospective studies on EUS-BD have been reported. However, because prospective studies and comparisons between the different biliary drainage methods have not been reported, the technical success, functional success, adverse events, and stent patency with long-term follow up of EUS-BD are still unclear. Therefore, prospective, randomized controlled studies addressing these issues are needed. Despite this, EUSBD undoubtedly is clinically useful as an alternative biliary drainage method. EUS-BD has the potential to be a first-line biliary drainage method instead of ERCP if results of clinical trials are favorable and the technique is simplified. | Takeshi Ogura Kazuhide Higuchi | 2015 | World Journal of Gastroenterology2015，21，4： | 3 |
| 5 | Hemobilia due to hepatocellular carcinoma: cholangioscopicfindings and novel endoscopic hemostasis显示文摘To the Editor:Trauma,inflammation,iatrogenic procedures such as liver biopsy and percutaneous transhepatic biliary drainage(PTBD),vascular anomalies,coagulopathy status,and malignancy can cause hemobilia[1].Malignant causes of hemobilia include cholangiocarcinoma,pancreatic cancer,gallbladder tumor,and liver metastasis,but rarely hepatocellular carcinoma(HCC).Here,we describe achieving endoscopic hemostasis for hemobilia caused by HCC,which was visualized using the single-operator,SPY-DS cholangioscope(Boston Scientific,Tokyo,Japan)under endoscopic | takeshi ogura atsushi okuda kazuhide higuchi | 2018 | Hepatobiliary & Pancreatic Diseases International2018，17，3： | 3 |
| 6 | EUS-guided hepaticogastrostomy combined with fine-gauge antegrade stenting: a pilot study显示文摘 | Takeshi Ogura Daisuke Masuda Akira Imoto Toshihisa Takeushi Rieko Kamiyama Malak Mohamed Eiji Umegaki Kazuhide Higuchi | 2014 | Endoscopy2014，，： | 3 |
| 7 | Development and validation of a simple and multifaceted instrument,GERD-TEST,for the clinical evaluation of gastroesophageal reflux and dyspeptic symptoms显示文摘AIM To evaluate the psychometric properties of a newly developed questionnaire,known as the gastroesophageal reflux and dyspepsia therapeutic efficacy and satisfaction test(GERD-TEST),in patients with GERD.METHODS Japanese patients with predominant GERD symptoms recruited according to the Montreal definition were treated for 4 wk using a standard dose of proton pump inhibitor(PPI). The GERD-TEST and the Medical Outcome Study Short Form-8 Health Survey(SF-8) were administered at baseline and after 4 wk of treatment. The GERD-TEST contains three domains: the severity of GERD and functional dyspepsia(FD) symptoms(5 items),the level of dissatisfaction with daily life(DS)(4 items),and the therapeutic efficacy as assessed by the patients and medication compliance(4 items).RESULTS A total of 290 patients were eligible at baseline; 198 of these patients completed 4 wk of PPI therapy. The internal consistency reliability as evaluated using the Cronbach's α values for the GERD,FD and DS subscales ranged from 0.75 to 0.82. The scores for the GERD,FD and DS items/subscales were significantly correlated with the physical and mental component summary scores of the SF-8. After 4 wk of PPI treatment,the scores for the GERD items/subscales were greatly reduced,ranging in value from 1.51 to 1.87 and with a large effect size(P < 0.0001,Cohen's d; 1.29-1.63). Statistically significant differences in the changes in the scores for the GERD items/subscales were observed between treatment responders and non-responders(P < 0.0001).CONCLUSION The GERD-TEST has a good reliability,a good convergent and concurrent validity,and is responsive to the effects of treatment. The GERD-TEST is a simple,easy to understand,and multifaceted PRO instrument applicable to both clinical trials and the primary care of GERD patients. | Koji Nakada Nobuyuki Matsuhashi Katsuhiko Iwakiri Atsushi Oshio Takashi Joh Kazuhide Higuchi Ken Haruma | 2017 | World Journal of Gastroenterology2017，23，28： | 3 |
| 8 | Endoscopic ultrasound-guided biliary drainage for right hepatic bile duct obstruction: novel technical tips显示文摘 | Takeshi Ogura Tatsushi Sano Saori Onda Akira Imoto Daisuke Masuda Kazuhiro Yamamoto Masayuki Kitano Toshihisa Takeuchi Takuya Inoue Kazuhide Higuchi | 2014 | Endoscopy2014，，： | 3 |
| 9 | Effects of oral tacrolimus as a rapid induction therapy in ulcerative colitis显示文摘AIM:To determine the efficacy and safety of rapid induction therapy with oral tacrolimus without a meal in steroid-refractory ulcerative colitis(UC)patients.METHODS:This was a prospective,multicenter,observational study.Between May 2010 and August 2012,49 steroid-refractory UC patients(55 flare-ups)were consecutively enrolled.All patients were treated with oral tacrolimus without a meal at an initial dose of 0.1mg/kg per day.The dose was adjusted to maintain trough whole-blood levels of 10-15 ng/m L for the first 2 wk.Induction of remission at 2 and 4 wk after tacrolimus treatment initiation was evaluated using Lichtiger’s clinical activity index(CAI).RESULTS:The mean CAI was 12.6±3.6 at onset.Within the first 7 d,93.5%of patients maintained high trough levels(10-15 ng/m L).The CAI significantly decreased beginning 2 d after treatment initiation.At 2wk,73.1%of patients experienced clinical responses.After tacrolimus initiation,31.4%and 75.6%of patients achieved clinical remission at 2 and 4 wk,respectively.Treatment was well tolerated.CONCLUSION:Rapid induction therapy with oral tacrolimus shortened the time to achievement of appropriate trough levels and demonstrated a high remission rate 28 d after treatment initiation.Rapid induction therapy with oral tacrolimus appears to be a useful therapy for the treatment of refractory UC. | Ken Kawakami Takuya Inoue Mitsuyuki Murano Ken Narabayashi Sadaharu Nouda Kumi Ishida Yosuke Abe Koji Nogami Nobuyuki Hida Hirokazu Yamagami Kenji Watanabe Eiji Umegaki Shiro Nakamura Tetsuo Arakawa Kazuhide Higuchi | 2015 | World Journal of Gastroenterology2015，21，6： | 3 |
| 10 | Technical tips of endoscopic ultrasound-guided choledochoduodenostomy显示文摘Endoscopic ultrasound(EUS) is clinically useful not only as a diagnostic tool during EUS-guided fine needle aspiration,but also during interventional EUS.EUS-guided biliary drainage has been developed and performed by experienced endoscopists.EUS-guided choledocoduodenostomy(EUS-CDS) is relatively well established as an alternative biliary drainage method for biliary decompression in patients with biliary obstruction.The reported technical success rate of EUS-CDS ranges from 50% to 100%,and the clinical success rate ranges from 92% to 100%.Further,the over-all technicalsuccess rate was 93%,and clinical success rate was 98%.Based on the currently available literature,the overall adverse event rate for EUS-CDS is 16%.The data on the cumulative technical and clinical success rate for EUS-CDS is promising.However,EUS-CDS can still lead to several problems,so techniques or devices that are more feasible and safe need to be established.EUS-CDS has the potential to become a first-line biliary drainage procedure,although standardizing the technique in multicenter clinical trials and comparisons with endoscopic biliary drainage by randomized clinical trials are still needed. | Takeshi Ogura Kazuhide Higuchi | 2015 | World Journal of Gastroenterology2015，21，3： | 3 |
| 11 | SJWD14101600000484显示文摘 | Takeshi Ogura Yoshitaka Kurisu Daisuke Masuda Akira Imoto Michihiro Hayashi Mohamed Malak Eiji Umegaki Kazuhisa Uchiyama Kazuhide Higuchi | 2014 | J Gastroenterol Hepatol2014，，10： | 3 |
| 12 | Technical tips for endoscopic ultrasound-guided hepaticogastrostomy显示文摘Interventional procedures using endoscopic ultrasound(EUS) have recently been developed. For biliary drainage, EUS-guided trans-luminal drainage has been reported. In this procedure, the transduodenal approach for extrahepatic bile ducts is called EUSguided choledochoduodenostomy, and the transgastric approach for intrahepatic bile ducts is called EUSguided hepaticogastrostomy(EUS-HGS). These procedures have several effects, such as internal drainage and avoiding post-endoscopic retrograde cholangiopancreatography(ERCP) pancreatitis, and they are indicated for an inaccessible ampulla of Vater due to duodenal obstruction or surgical anatomy. EUS-HGS has particularly wide indications and clinical impact as an alternative biliary drainage method. In this procedure, it is necessary to dilate the fistula, and several devices and approaches have been reported. Stent selection is also important. In previous reports, the overall technical success rate was 82%(221/270), the clinical success rate was 97%(218/225), and the overall adverse event rate for EUS-HGS was 23%(62/270). Adverse events of EUS-biliary drainage are still high compared with ERCP or PTCD. EUSHGS should continue to be performed by experienced endoscopists who can use various strategies when adverse events occur. | Takeshi Ogura Kazuhide Higuchi | 2016 | World Journal of Gastroenterology2016，22，15： | 2 |
| 13 | A prospective, single-blind trial comparing wireless capsule endoscopy and double-balloon enteroscopy in patients with obscure gastrointestinal bleeding显示文摘 | Natsuhiko Kameda Kazuhide Higuchi Masatsugu Shiba Hirohisa Machida Hirotoshi Okazaki Hirokazu Yamagami Tetsuya Tanigawa Kenji Watanabe Toshio Watanabe Kazunari Tominaga Yasuhiro Fujiwara Nobuhide Oshitani Tetsuo Arakawa | 2008 | Journal of Gastroenterology2008，，6： | 2 |
| 14 | Successful treatment of giant rectal varices by modified percutaneous transhepatic obliteration with sclerosant:Report of a case显示文摘We present a female patient with continuous melena, diagnosed with rectal variceal bleeding. She had a history of esophageal varices, which were treated with endoscopic therapy. Five years after the treatment of esophageal varices, continuous melena occurred. Since colonoscopy showed that the melena was caused by giant rectal varices, we thought that they were not suitable to receive endoscopic treatment. We chose the modified percutaneous transhepatic obliteration with sclerosant, which is one of the interventional radiology techniques but a new clinical procedure for rectal varices. After the patient received this therapy, her condition of rectal varices was markedly improved. | Hirotoshi Okazaki Kazuhide Higuchi Masatsugu Shiba Shirou Nakamura Tomoko Wada Kazuki Yamamori Ai Machida Kaori Kadouchi Akihiro Tamori Kazunari Tominaga Toshio Watanabe Yasuhiro Fujiwara Kenji Nakamura Tetsuo Arakawa | 2006 | World Journal of Gastroenterology2006，12，33： | 2 |
| 15 | Small Bowel Injury by Low-Dose Enteric-Coated Aspirin and Treatment With Misoprostol: A Pilot Study显示文摘 | Toshio Watanabe Satoshi Sugimori Natsuhiko Kameda Hirohisa Machida Hirotoshi Okazaki Tetsuya Tanigawa Kenji Watanabe Kazunari Tominaga Yasuhiro Fujiwara Nobuhide Oshitani Kazuhide Higuchi Tetsuo Arakawa | 2008 | Clinical Gastroenterology and Hepatology2008，，11： | 2 |
| 16 | Guidelines for gastroenterological endoscopy in patients undergoing antithrombotic treatment显示文摘 | Kazuma Fujimoto Mitsuhiro Fujishiro Mototsugu Kato Kazuhide Higuchi Ryuichi Iwakiri Choitsu Sakamoto Shinichiro Uchiyama Atsunori Kashiwagi Hisao Ogawa Kazunari Murakami Tetsuya Mine Junji Yoshino Yoshikazu Kinoshita Masao Ichinose Toshiyuki Matsui | 2014 | Digestive Endoscopy2014，，： | 2 |
| 17 | EUS-guided hepaticojejunostomy combined with antegrade stent placement显示文摘 | Takeshi Ogura Shoko Edogawa Akira Imoto Daisuke Masuda Kazuhiro Yamamoto Toshihisa Takeuchi Takuya Inoue Kazuhisa Uchiyama Kazuhide Higuchi | 2014 | Gastrointestinal Endoscopy2014，，： | 1 |
| 18 | EUS-guided gallbladder drainage and hepaticogastrostomy for acute cholecystitis and obstructive jaundice (with video)显示文摘 | Takeshi Ogura Daisuke Masuda Akira Imoto Eiji Umegaki Kazuhide Higuchi | 2014 | Endoscopy2014，，： | 1 |
| 19 | CASE REPORT: Asymptomatic Chronic Intestinal Ischemia Caused by Idiopathic Phlebosclerosis of Mesenteric Vein显示文摘 | Nobuhide Oshitani Yoshiki Matsumura Mizuki Kono Akihiro Tamori Kazuhide Higuchi Takayuki Matsumoto Shuichi Seki Tetsuo Arakawa | 2002 | Digestive Diseases and Sciences2002，，12： | 1 |
| 20 | Short-term and long-term outcome of endoluminal gastroplication for the treatment of GERD: the first multicenter trial in Japan显示文摘 | Soji Ozawa Koichiro Kumai Kazuhide Higuchi Tetsuo Arakawa Mototsugu Kato Masahiro Asaka Natsuya Katada Hiroyuki Kuwano Masaki Kitajima | 2009 | Journal of Gastroenterology2009，，7： | 1 |
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