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963篇 您的检索式:作者名="Vincent D"
    题名 作者 年代 出处 被引量
1Standard forward-viewing colonoscopy versus full-spectrum endoscopy: an international, multicentre, randomised, tandem colonoscopy trial显示文摘Ian M Gralnek Peter D Siersema Zamir Halpern Ori Segol Alaa Melhem Alain Suissa Erwin Santo Alan Sloyer Jay Fenster Leon M G Moons Vincent K Dik Ralph B D’Agostino Douglas K Rex 2014Lancet Oncology2014,,3:6
2Evaluation of Doppler-ultrasonography in the diagnosis of transjugular intrahepatic portosystemic shunt dysfunction: A prospective study显示文摘AIM To prospectively evaluate the performance of Dopplerultrasonography(US) for the detection of transjugular intrahepatic portosystemic shunt(TIPS) dysfunction within a multicenter cohort of cirrhotic patients.METHODS This study was conducted in 10 french teaching hospitals. After TIPS insertion, angiography and liver Doppler-US were carried out every six months to detect dysfunction(defined by a portosystemic gradient ≥ 12 mm Hg and/or a stent stenosis ≥ 50%). The association between ultrasonographic signs and dysfunction was studied by logistic random-effects models, and the diagnostic performance of each Doppler criterion was estimated by the bootstrap method. This study was approved by the ethics committee of Tours.RESULTS Two hundred and eighteen pairs of examinations performed on 87 cirrhotic patients were analyzed. Variables significantly associated with dysfunction were: The speed of flow in the portal vein(P = 0.008), the reversal of flow in the right(P = 0.038) and left(P = 0.049) portal branch, the loss of modulation of portal flow by the right atrium(P = 0.0005), ascites(P = 0.001) and the overall impression of the operator(P = 0.0001). The diagnostic performances of these variables were low; sensitivity was < 58% and negative predictive value was < 73%. Therefore, dysfunction cannot be ruled out from Doppler-US. CONCLUSION The performance of Doppler-US for the detection of TIPS dysfunction is poor compared to angiography. New tools are needed to improve diagnosis of TIPS dysfunction.Charlotte Nicolas Amelie Le Gouge Louis d’Alteroche Jean Ayoub Monica Georgescu Vincent Vidal Denis Castaing Jean-Pierre Cercueil Patrick Chevallier Jerome Roumy Herve Trillaud Louis Boyer Vincent Le Pennec Christophe Perret Bruno Giraudeau Jean-Marc Perarnau STIC-TIPS group 2017World Journal of Hepatology2017,9,27:6
3Endoscopic innovations to increase the adenoma detection rate during colonoscopy显示文摘Up to a quarter of polyps and adenomas are missed during colonoscopy due to poor visualization behind folds and the inner curves of flexures,and the presence of flat lesions that are difficult to detect.These numbers may however be conservative because they mainly come from back-to-back studies performed with standard colonoscopes,which are unable to visualize the entire mucosal surface.In the past several years,new endoscopic techniques have been introduced to improve the detection of polyps and adenomas.The introduction of high definition colonoscopes and visual image enhancement technologies have been suggested to lead to better recognition of flat and small lesions,but the absolute increase in diagnostic yield seems limited.Cap assisted colonoscopy and water-exchange colonoscopy are methods to facilitate cecal intubation and increase patients comfort,but show only a marginal or no benefit on polyp and adenoma detection.Retroflexion is routinely used in the rectum for the inspection of the dentate line,but withdrawal in retroflexion in the colon is in general not recommended due to the risk of perforation.In contrast,colonoscopy with the Third-Eye Retroscope?may result in considerable lower miss rates compared to standard colonoscopy,but this technique is not practical in case of polypectomy and is more time consuming.The recently introduced Full Spectrum Endoscopy?colonoscopes maintains the technical capabilities of standard colonoscopes and provides a much wider view of 330 degrees compared to the 170 degrees with standard colonoscopes.Remarkable lower adenoma miss rates with this new technique were recently demonstrated in the first randomized study.Nonetheless,more studies are required to determine the exact additional diagnostic yield in clinical practice.Optimizing the efficacy of colorectal cancer screening and surveillance requires high definition colonoscopes with improved virtual chromoendoscopy technology that visualize the whole colon mucosa while maintaining optimal washing,suction and therapeutic capabilities,and keeping the procedural time as low and patient discomfort as optimal as possible.Vincent K Dik Leon MG Moons Peter D Siersema 2014World Journal of Gastroenterology2014,20,9:6
4Small bowel capsule endoscopy for management of Crohn’s disease: A retrospective tertiary care centre experience显示文摘Catherine Dussault Corinne Gower-Rousseau Julia Salleron Gwénola Vernier-Massouille Julien Branche Jean-Frédéric Colombel Vincent Maunoury 2013Digestive and Liver Disease2013,,7:3
5焊接参数对搅拌摩擦焊接AA2219-T87材料韧性、洋葱圆环的断裂行为的影响(英文)显示文摘与熔焊相比,搅拌摩擦焊可以更好地保持材料的韧性和塑性,提高焊接的抗裂稳定性。本研究旨在提高焊接接头的延性和强度。刀具廓形在保持延性、分析金属流动行为和确定断裂起始点等方面起着重要作用。分析了洋葱圆环不同区域的微观结构,得出了洋葱圆环强度与金属流型的关系。结果表明,洋葱圆环强化了焊缝熔核。肩部和锥形螺纹型线刀具具有优异的力学性能。显微硬度数据表明,断口经过热影响区和热机械影响区等低硬度区。扫描电镜图像显示了细长的晶粒和韧窝,证实了断裂为韧性断裂。Dinesh KUMAR R S MUTHUKUMARAN Vincent XAVIER T VENKATESWARAN D SIVAKUMAR 2019Journal of Central South University2019,26,9:2
6Natural History of Intraductal Papillary Mucinous Tumors of the Pancreas: Actuarial Risk of Malignancy显示文摘Philippe Lévy Vincent Jouannaud Dermot O’Toole Anne Couvelard Marie Pierre Vullierme Laurent Palazzo Alain Aubert Philippe Ponsot Alain Sauvanet Frédérique Maire Olivia Hentic Pascal Hammel Philippe Ruszniewski 2006Clinical Gastroenterology and Hepatology2006,,4:2
7Use of discrete fourier transform in the measurement of frequencies and levels of tones显示文摘Rife D C Vincent G A 0,,02:2
8Empirical research on accounting choice显示文摘Thomas D Fields Thomas Z Lys Linda Vincent 2001Journal of Accounting and Economics2001,,1:2
9Myofibroblast:a prognostic marker and target cell in progressive renal disease显示文摘Badid C Vincent M Fouque D 2001Renal Fail2001,23,:2
10Laser in situ keratomileusis for myopia and astigmatism: safety and efficacy显示文摘Alan Sugar Christopher J Rapuano William W Culbertson David Huang Gary A Varley Peter J Agapitos Vincent P de Luise Douglas D Koch 2002Ophthalmology2002,,1:2
11Fast unfolding of communities in large networks显示文摘Vincent D Blondel Jean-Loup Guillaume Renaud Lambiotte Etienne Lefebvre 2008Journal of Statistical Mechanics: Theory and Expe2008,,:2
12Cell fate in the chick limb bud and relationship to gene expression 显示文摘Vargesson N Clarke J D W Vincent K 1997Development1997,124,:1
13Bidding off the wall: Why reserve prices may be kept secret显示文摘Vincent D 1995Journal of Economic Theory1995,65,57:1
14Variable phenotype related to a novel PAX6 mutation (IVS4 q-5G>C) in a family presenting congenital nystagmus and foveal hypoplasia显示文摘Vincent MC Gallai R Olivier D 2004Am J Ophthalmol2004,138,6:1
15Myasthenia gravis 显示文摘Vincent A Palace J Hilton-Jones D 2001Lancet2001,357,9274:1
16Nanoscale mapping and functional analysis of individual adhesins on living bacteria显示文摘VINCENT D FRANCO D M CAMILLE L 2005Nat Methods2005,2,7:1
17Curved wavelet transform for image coding显示文摘WANG D ZHANG L VINCENT A 2006IEEE Transactions on Image Processing2006,15,8:1
18Nonspecific interstitial pneumonia individuali-zation of a clinico- pathologic entity in a series of 12 patients显示文摘Vincent C Donsbeck AV Revel D 1998Am J Respir Crit Care Med1998,158,:1
19Optimal procurement mechanisms显示文摘MANELLI A M VINCENT D R 1995Econometrlca1995,63,:1
20The Cytoskeleton Maintains Organelle Partitioning Required for Singlecell C4 Photosynthesis in Chenopodiaceae Species 显示文摘CHUONG S D FRANCESCHI V R VINCENT R I 2006The Plant Cell2006,18,9:1
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