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| 1 | Measurement of prostaglandin metabolites is useful in diagnosis of small bowel ulcerations显示文摘BACKGROUND We recently reported on a hereditary enteropathy associated with a gene encoding a prostaglandin transporter and referred to as chronic enteropathy associated with SLCO2 A1 gene(CEAS). Crohn's disease(CD) is a major differential diagnosis of CEAS, because these diseases share some clinical features. Therefore, there is a need to develop a convenient screening test to distinguish CEAS from CD.AIM To examine whether prostaglandin E major urinary metabolites(PGE-MUM) can serve as a biomarker to distinguish CEAS from CD.METHODS This was a transactional study of 20 patients with CEAS and 98 patients with CD.CEAS was diagnosed by the confirmation of homozygous or compound heterozygous mutation of SLCO2 A1. We measured the concentration of PGEMUM in spot urine by radioimmunoassay, and the concentration was compared between the two groups of patients. We also determined the optimal cut-off value of PGE-MUM to distinguish CEAS from CD by receiver operating characteristic(ROC) curve analysis.RESULTS Twenty Japanese patients with CEAS and 98 patients with CD were enrolled.PGE-MUM concentration in patients with CEAS was significantly higher than that in patients with CD(median 102.7 vs 27.9 μg/g × Cre, P < 0.0001). One log unit increase in PGE-MUM contributed to 7.3 increase in the likelihood for the diagnosis of CEAS [95% confidence interval(CI) 3.2-16.7]. A logistic regression analysis revealed that the association was significant even after adjusting confounding factors(adjusted odds ratio 29.6, 95%CI 4.7-185.7). ROC curve analysis revealed the optimal PGE-MUM cut-off value for the distinction of CEAS from CD to be 48.9 μg/g × Cre with 95.0% sensitivity and 79.6% specificity.CONCLUSION PGE-MUM measurement is a convenient, non-invasive and useful test for the distinction of CEAS from CD. | Yuichi Matsuno Junji Umeno Motohiro Esaki Yoichiro Hirakawa Yuta Fuyuno Yasuharu Okamoto Atsushi Hirano Shigeyoshi Yasukawa Fumihito Hirai Toshiyuki Matsui Shuhei Hosomi Kenji Watanabe Naoki Hosoe Haruhiko Ogata Tadakazu Hisamatsu Shunichi Yanai Shuji Kochi Koichi Kurahara Tsuneyoshi Yao Takehiro Torisu Takanari Kitazono Takayuki Matsumoto | 2019 | World Journal of Gastroenterology2019，25，14： | 5 |
| 2 | Endoscopic characteristics of small intestinal malignant tumors observed by balloon-assisted enteroscopy显示文摘BACKGROUND Capsule endoscopy and balloon-assisted enteroscopy(BAE) enable visualization of rare small bowel conditions such as small intestinal malignant tumors.However,details of the endoscopic characteristics of small intestinal malignant tumors are still unknown.AIM To elucidate the endoscopic characteristics of small intestinal malignant tumors.METHODS From March 2005 to February 2017,1329 BAE procedures were performed at Keio University Hospital. Of these procedures,malignant tumors were classified into three groups,Group 1: epithelial tumors including primary small intestinal cancer,metastatic small intestinal cancer,and direct small intestinal invasion by an adjacent organ cancer; Group 2: small intestinal malignant lymphoma; and Group 3,small intestinal gastrointestinal stromal tumors. We systematically collected clinical and endoscopic data from patients' medical records to determine the endoscopic characteristics for each group.RESULTS The number of patients in each group was 16(Group 1),23(Group 2),and 6(Group 3),and the percentage of solitary tumors was 100%,43.5%,and 100%,respectively(P < 0.001). Patients' clinical background parameters including age,symptoms,and laboratory data were not significantly different between the groups. Seventy-five percent of epithelial tumors(Group 1) were located in the upper small intestine(duodenum and ileum),and approximately 70% of gastrointestinal stromal tumors(Group 3) were located in the jejunum. Solitary protruding or mass-type tumors were not seen in malignant lymphoma(Group2)(P < 0.001). Stenosis was seen more often in Group 1,(68.8%,27.3%,and 0%;Group 1,2,and 3,respectively; P = 0.004). Enlarged white villi inside and/or surrounding the tumor were seen in 12.5%,54.5%,and 0% in Group 1,2,and 3,respectively(P = 0.001).CONCLUSION The differential diagnosis of small intestinal malignant tumors could be tentatively made based on BAE findings. | Tomofumi Horie Naoki Hosoe Kaoru Takabayashi Yukie Hayashi Kenji JL Limpias Kamiya Ryoichi Miyanaga Shinta Mizuno Kayoko Fukuhara Seiichiro Fukuhara Makoto Naganuma Masayuki Shimoda Haruhiko Ogata Takanori Kanai | 2019 | World Journal of Gastrointestinal Endoscopy2019，11，5： | 4 |
| 3 | Endoscopic removal of foreign bodies:A retrospective study in Japan显示文摘BACKGROUND The ingestion of foreign bodies(FBs)and food bolus impaction(FBI)in the digestive tract are commonly encountered clinical problems.Methods to handle such problems continue to evolve offering advantages,such as the avoidance of surgery,reduced cost,improved visualization,reduced morbidity,and high removal success rate.However,to date,no studies have evaluated the endoscopic management of FBs in Japan.AIM To elucidate level of safety and efficacy in the endoscopic management of FBs and FBI.METHODS A total of 215 procedures were performed at Keio University Hospital between November 2007 and August 2018.Data were collected from medical charts,and endoscopic details were collected from an endoscopic reporting system.Procedures performed with a flexible gastrointestinal endoscope were only taken into account.Patients who underwent a technique involving FB or FBI from the digestive tract were only included.Data on patient sex,patient age,outpatient,inpatient,FB type,FB location,procedure time,procedure type,removal device type,success,and technical complications were reviewed and analyzed retrospectively.RESULTS Among the 215 procedures,136(63.3%)were performed in old adults(≥60 years),180(83.7%)procedures were performed in outpatients.The most common type of FBs were press-through-pack(PTP)medications[72(33.5%)cases],FBI[47(21.9%)],Anisakis parasite(AP)[41(19.1%)cases].Most FBs were located in the esophagus[130(60.5%)cases]followed by the stomach[68(31.6%)cases].AP was commonly found in the stomach[39(57.4%)cases],and it was removed using biopsy forceps in 97.5%of the cases.The most common FBs according to anatomical location were PTP medications(40%)and dental prostheses(DP)(40%)in the laryngopharynx,PTP(48.5%)in the esophagus,AP(57.4%)in the stomach,DP(37.5%)in the small intestine and video capsule endoscopy device(75%)in the colon.A transparent cap with grasping forceps was the most commonly used device[82(38.1%)cases].The success rate of the procedure was 100%,and complication were observed in only one case(0.5%).CONCLUSION Endoscopic management of FBs and FBI in our Hospital is extremely safe and effective. | Kenji JL Limpias Kamiya Naoki Hosoe Kaoru Takabayashi Yukie Hayashi Xi Sun Ryoichi Miyanaga Kayoko Fukuhara Seiichiro Fukuhara Makoto Naganuma Atsushi Nakayama Motohiko Kato Tadateru Maehata Rieko Nakamura Koichi Ueno Junichi Sasaki Yuko Kitagawa Naohisa Yahagi Haruhiko Ogata Takanori Kanai | 2020 | World Journal of Gastrointestinal Endoscopy2020，12，1： | 3 |
| 4 | Applicability of second‐generation colon capsule endoscope to ulcerative colitis: A clinical feasibility study显示文摘 | Naoki Hosoe Katsuyoshi Matsuoka Makoto Naganuma Yosuke Ida Yuka Ishibashi Kayoko Kimura Kazuaki Yoneno Shingo Usui Kazuhiro Kashiwagi Tadakazu Hisamatsu Nagamu Inoue Takanori Kanai Hiroyuki Imaeda Haruhiko Ogata Toshifumi Hibi | 2013 | J Gastroenterol Hepatol2013，，7： | 3 |
| 5 | Percutaneous endoscopic gastrostomy under steadypressure automatically controlled endoscopy:First clinicalseries显示文摘AIM: To elucidate the safety of percutaneous endoscopic gastrostomy(PEG) under steady pressure automatically controlled endoscopy(SPACE) using carbon dioxide(CO_2).METHODS: Nine patients underwent PEG with a modified introducer method under conscious sedation. A T-tube was attached to the channel of an endoscope connected to an automatic surgical insufflator. The stomach was inflated under the SPACE system. The intragastric pressure was kept between 4-8 mmH g with a flow of CO_2 at 35 L/min. Median procedure time, intragastric pressure, median systolic blood pressure, partial pressure of CO_2, abdominal girth before and immediately after PEG, and free gas and small intestinal gas on abdominal X-ray before and after PEG were recorded. RESULTS: PEG was completed under stable pneumostomach in all patients, with a median procedural time of 22 min. Median intragastric pressure was 6.9 mmH g and median arterial CO_2 pressure before and after PEG was 42.1 and 45.5 Torr(NS). The median abdominal girth before and after PEG was 68.1 and 69.6 cm(NS). A mild free gas image after PEG was observed in two patients, and faint abdominal gas in the downstream bowel was documented in two patients.CONCLUSION: SPACE might enable standardized pneumostomach and modified introducer procedure of PEG. | Hiroyuki Imaeda Kiyokazu Nakajima Naoki Hosoe Masanori Nakahara Shinichiro Zushi Motohiko Kato Kazuhiro Kashiwagi Yasushi Matsumoto Kayoko Kimura Rieko Nakamura Norihito Wada Masahiko Tsujii Naohisa Yahagi Toshifumi Hibi Takanori Kanai Tetsuo Takehara Haruhiko Ogata | 2016 | World Journal of Gastrointestinal Endoscopy2016，8，3： | 2 |
| 6 | Blinded nonrandomized comparative study of gastric examination with a magnetically guided capsule endoscope and standard videoendoscope显示文摘 | Jean-Francois Rey Haruhiko Ogata Naoki Hosoe Kazuo Ohtsuka Noriyuki Ogata Keiichi Ikeda Hiroyuki Aihara Ileana Pangtay Toshifumi Hibi Shin-Ei Kudo Hisao Tajiri | 2012 | Gastrointestinal Endoscopy2012，，2： | 2 |
| 7 | Comparison of patient acceptance of sodium phosphate versus polyethylene glycol plus sodium picosulfate for colon cleansing in Japanese显示文摘 | Naoki Hosoe Manabu Nakashita Hiroyuki Imaeda Tomohisa Sujino Rieko Bessho Riko Ichikawa Nagamu Inoue Takanori Kanai Toshifumi Hibi Haruhiko Ogata | 2012 | Journal of Gastroenterology and Hepatology2012，，10： | 2 |
| 8 | In vivo visualization of trophozoites in patients with amoebic colitis by using a newly developed endocytoscope显示文摘 | Naoki Hosoe Taku Kobayashi Takanori Kanai Rieko Bessho Tetsuro Takayama Nagamu Inoue Hiroyuki Imaeda Yasushi Iwao Seiki Kobayashi Makio Mukai Haruhiko Ogata Toshifumi Hibi | 2010 | Gastrointestinal Endoscopy2010，，3： | 1 |
| 9 | Novel technique of endoscopic submucosal dissection by using external forceps for early rectal cancer (with videos)显示文摘 | Hiroyuki Imaeda Naoki Hosoe Yosuke Ida Hiromasa Nakamizo Kazuhiro Kashiwagi Takanori Kanai Yasushi Iwao Toshifumi Hibi Haruhiko Ogata | 2012 | Gastrointestinal Endoscopy2012，，6： | 1 |
| 10 | Novel technique of endoscopic submucosal dissection by using external forceps for early rectal cancer (with videos)显示文摘 | Hiroyuki Imaeda Naoki Hosoe Yosuke Ida Hiromasa Nakamizo Kazuhiro Kashiwagi Takanori Kanai Yasushi Iwao Toshifumi Hibi Haruhiko Ogata | 2012 | Gastrointestinal Endoscopy2012，，6： | 1 |
| 11 | Surveillance using trimodal imaging endoscopy after endoscopic submucosal dissection for superficial gastric neoplasia显示文摘AIM:To evaluate the effectiveness of trimodal imaging endoscopy(TME)to detect another lesion afterendoscopic submucosal dissection(ESD)for superficial gastric neoplasia(SGN).METHODS:Surveillance esophagogastroduodenoscopy(EGD)using a TME was conducted in 182 patients that had undergone ESD for SGN.Autofluorescence imaging(AFI)was conducted after white-light imaging(WLI).When SGN was suspicious,magnifying endoscopy with narrow-band imaging(ME-NBI)was conducted.Final diagnoses were made by histopathologic findings of biopsy specimens.The detection rates of lesions in WLI,AFI,and NBI,and the characteristics of lesions detected by WLI and ones missed by WLI but detected by AFI were examined.The sensitivity,specificity,and accuracy of endoscopic diagnosis using WLI,AFI and ME-NBI were evaluated.RESULTS:In 242 surveillance EGDs,27 lesions were determined pathologically to be neoplasias.Sixteen early gastric cancers and 6 gastric adenomas could be detected by WLI.Sixteen lesions were reddish and 6were whitish.Five gastric neoplasias were missed by WLI but were detected by AFI,and all were whitish and protruded gastric adenomas.There was a significant difference in color and pathology between the two groups(P=0.006).Sensitivity,specificity and accuracy in MENBI were higher than those in both WLI and AFI.Specificity and accuracy in AFI were lower than those in WLI.CONCLUSION:Surveillance using trimodal imaging endoscopy might be useful for detecting another lesion after endoscopic submucosal dissection for superficial gastric neoplasia. | Hiroyuki Imaeda Naoki Hosoe Kazuhiro Kashiwagi Yosuke Ida Rieko Nakamura Hidekazu Suzuki Yoshimasa Saito Naohisa Yahagi Yasushi Iwao Yuko Kitagawa Toshifumi Hibi Haruhiko Ogata Takanori Kanai | 2014 | World Journal of Gastroenterology2014，20，43： | 1 |
| 12 | In vivo visualization of trophozoites in patients with amoebic colitis by using a newly developed endocytoscope显示文摘 | Naoki Hosoe Taku Kobayashi Takanori Kanai Rieko Bessho Tetsuro Takayama Nagamu Inoue Hiroyuki Imaeda Yasushi Iwao Seiki Kobayashi Makio Mukai Haruhiko Ogata Toshifumi Hibi | 2010 | Gastrointestinal Endoscopy2010，，3： | 1 |
| 13 | Superiority of urgent vs early endoscopic hemostasis in patients with upper gastrointestinal bleeding with high-risk stigmata显示文摘Background Guidelines recommend that all patients with upper gastrointestinal bleeding(UGIB)undergo endoscopy within 24 h.It is unclear whether a subgroup may benefit from an urgent intervention.We aimed to evaluate the influence of endoscopic hemostasis and urgent endoscopy on mortality in UGIB patients with high-risk stigmata(HRS).Methods Consecutive patients with suspected UGIB were enrolled in three Japanese hospitals with a policy to perform endoscopy within 24 h.The primary outcome was 30-day mortality.Endoscopic hemostasis and endoscopy timing(urgent,6h;early,>6h)were evaluated in a regression model adjusting for age,systolic pressure,heart rate,hemoglobin,creatinine,and variceal bleeding in multivariate analysis.A propensity score of 1:1 matched sensitivity analysis was also performed.Results HRS were present in 886 of 1966 patients,and 35 of 886(3.95%)patients perished.Median urgent-endoscopy time(n=769)was 3.0h(interquartile range[IQR],2.0–4.0 h)and early endoscopy(n紏117)was 12.0h(IQR,8.5–19.0 h).Successful endoscopic hemostasis and urgent endoscopy were significantly associated with reduced mortality in multivariable analysis(odds ratio[OR],0.22;95%confidence interval[CI],0.09–0.52;P=0.0006,and OR,0.37;95%CI,0.16–0.87;P=0.023,respectively).In a propensity-score-matched analysis of 115 pairs,adjusted comparisons showed significantly lower mortality of urgent vs early endoscopy(2.61%vs 7.83%,P<0.001).Conclusions A subgroup of UGIB patients,namely those harboring HRS,may benefit from endoscopic hemostasis and urgent endoscopy rather than early endoscopy in reducing mortality.Implementing triage scores that predict the presence of such lesions is important. | Masayasu Horibe Eisuke Iwasaki Juntaro Matsuzaki Fateh Bazerbachi Tetsuji Kaneko Kazuhiro Minami Seiichiro Fukuhara Tatsuhiro Masaoka Naoki Hosoe Yuki Ogura Shin Namiki Yasuo Hosoda Haruhiko Ogata Takanori Kanai | 2021 | Gastroenterology Report2021，9，6： | 0 |
| 14 | Irritable bowel syndrome evaluation using computed tomography colonography显示文摘AIM To evaluate the morphology of the colon in patients with irritable bowel syndrome(IBS) by using computed tomography colonography(CTC).METHODS Twelve patients with diarrhea type IBS(IBS-D), 13 patients with constipation type IBS(IBS-C), 12 patients with functional constipation(FC) and 14 control patients underwent colonoscopy following CTC. The lengths of the rectosigmoid colon, transverse colon and the total colon were measured. The diameters of the rectum, sigmoid colon, descending colon, transverse colon, and ascending colon were measured.RESULTS The mean length of the total colon was 156.5 cm in group C, 158.9 cm in group IBS-D, 172.0 cm in group IBS-C, and 188.8 cm in group FC. The total colon in group FC was significantly longer than that in group C(P < 0.05). The mean length of the rectosigmoid colon was 56.2 cm, 55.9 cm, 63.6cm, and 77.4 cm(NS). The mean length of the transverse colon was 49.9 cm, 43.1 cm, 57.0 cm, and 55.0 cm. The transverse colonin group IBS-D was significantly shorter than that in group IBS-C(P < 0.01) and that in group FC(P = 0.02). The mean diameter of the sigmoid colon was 4.0 cm, 3.3 cm, 4.2 cm, and 4.3 cm(NS). The mean diameter of the descending colon was 3.6 cm, 3.1 cm, 3.8 cm, and 4.3 cm. The descending colon diameter in group IBS-D was significantly less than that in group IBS-C(P = 0.03) and that in group FC(P < 0.001). The descending colon diameter in group FC was significantly greater than that in group C(P = 0.04). The mean diameter of the transverse colon was 4.4 cm, 3.3 cm, 4.2 cm, and 5.0 cm(NS).CONCLUSION CT colonography might contribute the clarification of subtypes of IBS. | Hideki Ohgo Hiroyuki Imaeda Minoru Yamaoka Kazuaki Yoneno Naoki Hosoe Takeshi Mizukami Hidetomo Nakamoto | 2016 | World Journal of Gastroenterology2016，22，42： | 0 |
| 15 | Maintenance treatment with infliximab for ulcerative ileitis after intestinal transplantation: A case report显示文摘BACKGROUND Evidence has been published on the successful applications of the anti-tumor necrosis factor alpha antibody infliximab,such as induction therapy,salvage treatment for acute cellular rejection,and treatment for chronic ulcerative inflammation,in intestinal transplant recipients.However,the optimal protocol for the effective use of infliximab remains largely undetermined due to scarcity of available clinical data.We report a continuative application of infliximab as maintenance therapy for recurrent chronic ulcerative ileitis in a recipient of isolated intestinal transplantation(ITx).CASE SUMMARY The patient was a 11-year-old boy with intestinal motility disorder classified as a hypogenic type of intestinal dysganglionosis.The patient underwent living-donor related intestinal transplant.His immunosuppression regimen consisted of daclizumab,tacrolimus,and steroids.Although he did not show rejection while on tacrolimus monotherapy,routine screening endoscopy showed several ulcerative lesions in the distal end of the graft 2 years after the intestinal transplant.Endoscopic work up to evaluate the progression of anemia revealed stenosis with ulcerative inflammatory changes and multiple longitudinal ulcers in the graft.Since the endoscopic findings suggested ulcerative lesions in Crohn’s disease,infliximab treatment was considered.Treatment with infliximab and a small dose of oral prednisolone afforded successful withdrawal of total parenteral nutrition and maintenance of a well-functioning graft without infectious complications for 5 years since the administration of the first dose of infliximab.CONCLUSION Infliximab is effective as maintenance therapy for recurrent chronic ulcerative ileitis in an isolated ITx patient. | Takumi Fujimura Yohei Yamada Tomoshige Umeyama Yumi Kudo Hiroki Kanamori Teizaburo Mori Takahiro Shimizu Mototoshi Kato Miho Kawaida Naoki Hosoe Yasushi Hasegawa Kentaro Matsubara Naoki Shimojima Masahiro Shinoda Hideaki Obara Makoto Naganuma Yuko Kitagawa Ken Hoshino Tatsuo Kuroda | 2021 | World Journal of Clinical Cases2021，9，19： | 0 |
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