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| 1 | Polyp detection rates using magnification with narrow band imaging and white light显示文摘AIM: To compare the yield of adenomas between narrow band imaging and white light when using high definition/magnification. METHODS: This prospective, non-randomized comparative study was performed at the endoscopy unit of veteran affairs medical center in Phoenix, Arizona. Consecutive patients undergoing first average risk colorectal cancer screening colonoscopy were selected. Two experienced gastroenterologists performed all the procedures that were blinded to each other's findings. Demographic details were recorded. Data are presented as mean ± SEM. Proportional data were compared using the χ2 test and means were compared using the Student's t test. Tandem colonoscopy was performed in a sequential and segmental fashion using one of 3 strategies: white light followed by narrow band imaging [Group A: white light(WL) → narrow band imaging(NBI)]; narrow band imaging followed by white light(Group B: NBI → WL) and, white light followed by white light(Group C: WL → WL). Detection rate of missed polyps and adenomas were evaluated in all three groups. RESULTS: Three hundred patients were studied(100 in each Group). Although the total time for the colonoscopy was similar in the 3 groups(23.8 ± 0.7, 22.2 ± 0.5 and 24.1 ± 0.7 min for Groups A, B and C, respectively), it reached statistical significance between Groups B and C(P < 0.05). The cecal intubation time in Groups B and C was longer than for Group A(6.5 ± 0.4 min and 6.5 ± 0.4 min vs 4.9 ± 0.3 min; P < 0.05). The withdrawal time for Groups A and C was longer than Group B(18.9 ± 0.7 min and 17.6 ± 0.6min vs 15.7 ± 0.4 min; P < 0.05). Overall miss rate for polyps and adenomas detected in three groups during the second look was 18% and 17%, respectively(P = NS). Detection rate for polyps and adenomas after first look with white light was similar irrespective of the light used during the second look(WL → WL: 13.7% for polyps, 12.6% for adenomas; WL → NBI: 14.2% for polyps, 11.3% for adenomas). Miss rate of polyps and adenomas however was significantly higher when NBI was used first(29.3% and 30.3%, respectively; P < 0.05). Most missed adenomas were ≤ 5 mm in size. There was only one advanced neoplasia(defined by size only) missed during the first look. CONCLUSION: Our data suggest that the tandem nature of the procedure rather than the optical techniques was associated with the detection of additional polyps' and adenomas. | Nooman Gilani Sally Stipho James D Panetta Sorin Petre Michele A Young Francisco C Ramirez | 2015 | World Journal of Gastrointestinal Endoscopy2015，7，5： | 2 |
| 2 | Cyclin D1 binding to the androgen receptor(AR) NH2-terminal domain inhibits activation function 2 association and reveals dual roles for AR corepression显示文摘 | Burd C J Petre C E Moghadam H | 2005 | Mol Endocrinol2005，19，3： | 1 |
| 3 | Electrochemical behavior of gold cyanidation in the presence of a sulfide-rich industrial ore versus its major constitutive sulfide minerals 显示文摘 | AZIZI A PETRE C F OLSEN C LARACHI F | 2010 | Hydrometallurgy2010，101，： | 1 |
| 4 | Tailoring the pressure drop of structured packing through CFD simulations 显示文摘 | Larachi F Petre C F Iliuta I | 2003 | Chemical Engineer Process2003，42，7： | 1 |
| 5 | Untangling galvanic and passivation phenomena induced by sulfide minerals on precious metal leaching using a new packed-bed electrochemical cyanidation reactor 显示文摘 | AZIZ1 A PETRE C F OLSEN C LARACHI F | 2011 | Hydrometallta''gy2011，107，： | 1 |
| 6 | Pressure drop through structured packings:Breakdown into the contributing mechanisms by CFD modeling显示文摘 | Petre C F Larachi F Liuta I | 2003 | Chem Eng Sci2003，58，1： | 1 |
| 7 | Leveraging strategies to increase gold cyanidation in the presence of sulfide minerals-- Packed bed electrochemical reactor approach 显示文摘 | AZIZI A PETRE C F LARACHI F | 2012 | Hydrometallurgy2012，11，： | 1 |
| 8 | Enzymatically prepared n-alkyl esters of glucuronic acid: The effect of fi-eeze-drying conditions and hydrophobic chain length on thermal behavior 显示文摘 | Blecker C Danthine S Petre M | 2008 | J Colloid Interface Sci2008，321，： | 1 |
| 9 | The crystal structures, molecular spectra and thermal behaviour of carbamoylferrocene and ferrocenecarbonylhydra- zide显示文摘 | PETR S IVANA C DANIEL N | 2010 | Polyhedron2010，29，： | 1 |
| 10 | Pressure drop through structured packings: Breakdown into the contributing mechanisms by CFD modeling显示文摘 | PETRE C F LARACHI F ILIUTA I | 2003 | Chem Eng Sci2003，58，1： | 1 |
| 11 | New approach to common removal of dioxins and NOx as a contribution to environmentalprotection显示文摘 | RADEK D PETR C DAVID J | 2010 | Journal of Cleaner Production2010，18，： | 1 |
| 12 | Efficient transduction of neural cells in vitro and in vivo by a baculovirusderived vector 显示文摘 | SARKIS C SERGUERA C PETRES S | 2000 | Proc Natl Acad Sci USA2000，97，14： | 1 |
| 13 | Topologically Controlled Segmentation of 3D Magnetic Resonance Images of the Head by Using Morphological Operators显示文摘 | Petr D Isabelle B Michel C | 2003 | Pattern Recognition2003，36，10： | 1 |
| 14 | Electrochemical behavior of gold cyanidation in the presence of a sulfide-rich industrial ore versus its major constitutive sulfide minerals 显示文摘 | AZIZI A PETRE C F OLSEN C LARACHI F | 2010 | Hydrometallurgy2010，101，： | 1 |
| 15 | Growth and characterization of PhS deposited on ferroelectric ceramics 显示文摘 | P1NTILIE I PENTIA E PINTILIE L PETRE D CONSTANTIN C BOTILA T | 1995 | Journal of Applied Physics1995，78，： | 1 |
| 16 | Transesophageal Echocardiography in the detection of potential cardiac source of embolismin stroke patients显示文摘 | Petr P Christopher V | 1991 | Stroke1991，22，6： | 1 |
| 17 | Investigation of the Compressible Flow through the Tip-Section Turbine Blade Cascade with Supersonic Inlet显示文摘The contribution deals with the experimental and numerical investigation of compressible flow through the tip-section turbine blade cascade with the blade 54″ long. Experimental investigations by means of optical(interferometry and schlieren method) and pneumatic measurements provide more information about the behaviour and nature of basic phenomena occurring in the profile cascade flow field. The numerical simulation was carried out by means of the EARSM turbulence model according to Hellsten [5] completed by the bypass transition model with the algebraic equation for the intermittency coefficient proposed by Straka and P?íhoda [6] and implemented into the in-house numerical code. The investigation was focused particularly on the effect of shock waves on the shear layer development including the laminar/turbulent transition. Interactions of shock waves with shear layers on both sides of the blade result usually in the transition in attached and/ or separated flow and so to the considerable impact to the flow structure and energy losses in the blade cascade. | Martin Luxa Jaromír Príhoda David Simurda Petr Straka Jaroslav Synác | 2016 | Journal of Thermal Science2016，25，2： | 1 |
| 18 | Pressure drop through structured packings:Break down into the contributing mechanisms by CFD modeling显示文摘 | Petre C F Larachi F Iliuta I | 2003 | Chem Eng Sci2003，58，： | 1 |
| 19 | Optimization of direct Camot cycle显示文摘 | Feidt M Costea M Petre C | 2007 | Appl Thermal Engng2007，27，56： | 1 |
| 20 | Tailoring the pressure drop of structured packings through CFD simulations显示文摘 | LARACHI F PETRE C F ILIUTA I | 2003 | Chem Eng Proces2003，42，7： | 1 |
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