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355篇 您的检索式:作者名="Naitoh"
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1Diagnosis of IgG4-related sclerosing cholangitis显示文摘IgG4-related sclerosing cholangitis(IgG4-SC)is often associated with autoimmune pancreatitis.However,the diffuse cholangiographic abnormalities observed in IgG4-SC may resemble those observed in primary sclerosing cholangitis(PSC),and the presence of segmental stenosis suggests cholangiocarcinoma(CC).IgG4-SC responds well to steroid therapy,whereas PSC is only effectively treated with liver transplantation and CC requires surgical intervention.Since IgG4-SC was first described,it has become a third distinct clinical entity of sclerosing cholangitis.The aim of this review was to introduce the diagnostic methods for IgG4-SC.IgG4-SC should be carefully diagnosed based on a combination of characteristic clinical,serological,morphological,and histopathological features after cholangiographic classification and targeting of a disease for differential diagnosis.When intrapancreatic stenosis is detected,pancreatic cancer or CC should be ruled out.If multiple intrahepatic stenoses are evident,PSC should be distinguished on the basis of cholangiographic findings and liver biopsy with IgG4 immunostaining.Associated inflammatory bowel disease is suggestive of PSC.If stenosis is demonstrated in the hepatic hilar region,CC should be discriminated by ultrasonography,intraductal ultrasonography,bile duct biopsy,and a higher cutoff serum IgG4 level of 182 mg/dL.Takahiro Nakazawa Itaru Naitoh Kazuki Hayashi Katsuyuki Miyabe Shuya Simizu Takashi Joh 2013World Journal of Gastroenterology2013,19,43:20
2流动加速腐蚀引起的管壁减薄分析及验证显示文摘针对危害电站安全运行的流动加速腐蚀(FAC)现象,结合专用分析程序包DRAWTHREE的模型和结构.阐明了FAC的发生机理及其决定性因素,提出了用于评估FAC和管壁减薄速率的方法和步骤,并将上述程序分析结果与实验及电厂实际测量数据进行了比较,结果吻合较好.最后给出了用于缓解FAC的一些措施.Masanori Naitoh 陈耀东 Shunsuke Uchida Hidetoshi Okada 2011金属学报2011,47,7:16
3Propofol sedation during endoscopic treatment for early gastric cancer compared to midazolam显示文摘Endoscopic submucosal dissection(ESD)has been proposed as the gold standard in the treatment of early gastric cancer because it facilitates a more accurate histological assessment and reduces the risk of tumor recurrence.However,the time course of ESD for large gastric tumors is frequently prolonged because of the tumor size and technical difficulties and typically requires higher doses of sedative and pain-controlling drugs.Sedative or anesthetic drugs such as midazolam or propofol are used during the procedure.Therapeutic endoscopy of early gastric cancers can often be performed with only moderate sedation.Compared with midazolam,propofol has a very fast onset of action,short plasma half-life and time to achieve sedation,faster time to recovery and discharge,and results in higher patient satisfaction.For overall success,maintaining safety and stability not only during the procedure but also subsequently in the recovery room and ward is necessary.In obese patients,it is recommended that the injected dose be based on a calculated standard weight.Cooperation between gastroenterologists,surgeons,and anesthesiologists is imperative for a successful ESD procedure.Shinsuke Kiriyama Hiroshi Naitoh Hiroyuki Kuwano 2014World Journal of Gastroenterology2014,20,34:14
4Inflammatory bowel disease of primary sclerosing cholangitis:A distinct entity?显示文摘This is a review of the characteristic findings of inflammatory bowel disease(IBD)associated with primary sclerosing cholangitis(PSC)and their usefulness in the diagnosis of sclerosing cholangitis.PSC is a chronic inflammatory disease characterized by idiopathic fibrous obstruction and is frequently associated with IBD.IBDassociated with PSC(PSC-IBD)shows an increased incidence of pancolitis,mild symptoms,and colorectal malignancy.Although an increased incidence of pancolitis is a characteristic finding,some cases are endoscopically diagnosed as right-sided ulcerative colitis.Pathological studies have revealed that inflammation occurs more frequently in the right colon than the left colon.The frequency of rectal sparing and backwash ileitis should be investigated in a future study based on the same definition.The cholangiographic findings of immunoglobulin G4-related sclerosing cholangitis(IgG4-SC)are similar to those of PSC.The rare association between IBD and IgG4-SC and the unique characteristics of PSC-IBD are useful findings for distinguishing PSC from IgG4-SC.Takahiro Nakazawa Itaru Naitoh Kazuki Hayashi Hitoshi Sano Katsuyuki Miyabe Shuya Shimizu Takashi Joh 2014World Journal of Gastroenterology2014,20,12:6
5Isolated intrapancreatic Ig G4-related sclerosing cholangitis显示文摘Immunoglobulin G4-related sclerosing cholangitis(Ig G4-SC) is frequently associated with type 1 autoimmune pancreatitis(AIP). Association with AIP can be utilized in the diagnosis of Ig G4-SC. However, some cases of Ig G4-SC are isolated from AIP, which complicates the diagnosis. Most of the reported cases of isolated Ig G4-SC displayed hilar biliary strictures, whereas isolated Ig G4-SC with intrapancreatic biliary stricture is very rare. Recently, we have encountered 5 isolated intrapancreatic Ig G4-SC cases that were not associated with AIP, three of which were pathologically investigated after surgical operation. They all were males with a mean age of 74.2 years. The pancreas was not enlarged in any of these cases. No irregular narrowing of the main pancreatic duct was found. Bile duct wall thickening in lesions without luminal stenosis was detected by abdominal computed tomography in all five cases, by endoscopic ultrasonography in two out of four cases and by intraductal ultrasonography in all three cases. In three cases, serum Ig G4 levels were within the normal limits. The mean serum Ig G4 level measured before surgery was 202.1 mg/d L(4 cases). Isolated intrapancreatic Ig G4-SC is difficult to diagnose, especially if the Ig G4 level remains normal. Thus, this type of Ig G4-SC should be suspected in addition to cholangiocarcinoma and pancreatic cancer if stenosis of intrapancreatic bile duct is present.Takahiro Nakazawa Yushi Ikeda Yoshiaki Kawaguchi Hirohisa Kitagawa Hiroki Takada Yutaka Takeda Isamu Makino Naohiko Makino Itaru Naitoh Atsushi Tanaka 2015World Journal of Gastroenterology2015,21,4:3
6Effectiveness of therapeutic barium enema for diverticular hemorrhage显示文摘AIM:To evaluate the effectiveness of barium impaction therapy for patients with colonic diverticular bleeding.METHODS:We reviewed the clinical charts of patients in whom therapeutic barium enema was performed for the control of diverticular bleeding between August2010 and March 2012 at Yokohama Rosai Hospital.Twenty patients were included in the review,consisting of 14 men and 6 women.The median age of the patients was 73.5 years.The duration of the followup period ranged from 1 to 19 mo(median:9.8 mo).Among the 20 patients were 11 patients who required the procedure for re-bleeding during hospitalization,6patients who required it for re-bleeding that developed after the patient left the hospital,and 3 patients who required the procedure for the prevention of rebleeding.Barium(concentration:150 w%/v%)was administered per the rectum,and the leading edge of the contrast medium was followed up to the cecum by fluoroscopy.After confirmation that the ascending colon and cecum were filled with barium,the enema tube was withdrawn,and the patient’s position was changed every 20 min for 3 h.RESULTS:Twelve patients remained free of rebleeding during the follow-up period(range:1-19mo)after the therapeutic barium enema,including 9men and 3 women with a median age of 72.0 years.Re-bleeding occurred in 8 patients including 5 men and 3 women with a median age of 68.5 years:4developed early re-bleeding,defined as re-bleeding that occurs within one week after the procedure,and the remaining 4 developed late re-bleeding.The DFI(disease-free interval)decreased 0.4 for 12 mo.Only one patient developed a complication from therapeutic barium enema(colonic perforation).CONCLUSION:Therapeutic barium enema is effective for the control of diverticular hemorrhage in cases where the active bleeding site cannot be identified by colonoscopy.Mizue Matsuura Masahiko Inamori Atsushi Nakajima Yasuhiko Komiya Yumi Inoh Keigo Kawasima Mai Naitoh Yuji Fujita Akiko Eduka Noriyoshi Kanazawa Shiori Uchiyama Rie Tani Kennichi Kawana Setsuya Ohtani Hajime Nagase 2015World Journal of Gastroenterology2015,21,18:2
7Mechanism of nitrogen incorporation in sublimation growth of SiC显示文摘NAITOH M HARA K HIROSE F 2002J Cryst Growth2002,,:2
8Establishment of a serum IgG 4 cut‐off value for the differential diagnosis of IgG 4‐related sclerosing cholangitis: A J apanese cohort显示文摘Hirotaka Ohara Takahiro Nakazawa Shigeyuki Kawa Terumi Kamisawa Tooru Shimosegawa Kazushige Uchida Kenji Hirano Takayoshi Nishino Hideaki Hamano Atsushi Kanno Kenji Notohara Osamu Hasebe Takashi Muraki Etsuji Ishida Itaru Naitoh Kazuichi Okazaki 2013J Gastroenterol Hepatol2013,,7:2
9Diagnostic criteria for IgG4-related sclerosing cholangitis based on cholangiographic classification显示文摘Takahiro Nakazawa Itaru Naitoh Kazuki Hayashi Fumihiro Okumura Katsuyuki Miyabe Michihiro Yoshida Hiroaki Yamashita Hirotaka Ohara Takashi Joh 2012Journal of Gastroenterology2012,,1:2
10Evaluation of Pharyngeal Function between No Bolus and Bolus Propofol Induced Sedation for Advanced Upper Endoscopy显示文摘Shinsuke Kiriyama Hiroshi Naitoh Minoru Fukuchi Takaharu Fukasawa Kana Saito Yuichi Tabe Hayato Yamauchi Tomonori Yoshida Hiroyuki Kuwano Spiros D. Ladas 2014Diagnostic and Therapeutic Endoscopy2014,,:2
11Differential diagnosis of gallbladdermasses using colourDoppler ultrasonography显示文摘Hirooka Y Naitoh Y Hidemi G 1996J Gasteoenterol Hepatol1996,11,9:1
12The SYT-SSX fusion protein down-regulates the cell proliferation regulator COM1 in t ( x; 18 ) synovial sarcoma 显示文摘Ishida M Miyamoto M Naitoh S 2007Mol Cell Biol2007,27,4:1
13Stratified phase II trial to establish the usefulness of the collagen gel droplet embedded culture-drug sensitivity test (CD- DST) for advanced gastric cancer显示文摘Naitoh H Yamamoto H Murata S 2014Gastric Cancer2014,17,4:1
14Inhibition of eytotoxie drug-induced vomiting in suncus by a ginger constituent 显示文摘Yamahara J Rong HQ Naitoh Y 1989J Ethnopharmaeol1989,27,:1
15Preparation of High Performance Films from Poly(vinyl alcohol)/NaCl/H2O systems显示文摘Yamaura K Naitoh M 2002J of Mater Sci2002,37,:1
16Large eddy simulation and direct simulation of compressible turbulence and combusting flows in engines based on the BI-SCALES method显示文摘Naitoh K Kuwahara K 1992Fluid Dynamics Research1992,,10:1
17Postoperative assessment of incisor dental implants using cone-beam computed tomography 显示文摘Naitoh M Nabeshima H Hayashi H 2010J Oral Implanto12010,36,5:1
18The development of earth pressure balanced shields in Japan显示文摘Naitoh K 1985Tunnels & Tunnel-ling1985,3,5:1
19- Opioid receptor activation before ischemia reduces gap junction permeabil- ity in ischemic myocardium by PKC - - mediated phos- phorylation of connexin43 显示文摘Miura T Yano T Naitoh K 2007Am J Physiol Heart Circ Physiol2007,293,3:1
20Upregulation of HSP47 and collagen type Ⅲ in the dermal fibrotic disease,keloid显示文摘Naitoh M Hosokawa N Kubota H 0,,05:1
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