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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 | Smooth muscle progenitor cello is human blood显示文摘 | Simper D Stalboerger PG Panetta C J | 2002 | Circulation2002，106，10： | 1 |
| 3 | Behaviour of Buried and Surface-sown Seeds ofParthenium hysterophoms显示文摘 | NAVIES C PANETTA F D MCFADYEN R E | 1998 | Weed Res1998，38，33： | 1 |
| 4 | Transcription factor nuclear factor-kappa B is activated in neurons after focal cerebral ischemia 显示文摘 | Yin T Smalstig EB Hsu MA Panetta J Little S Clemeus J | 2000 | J Cereb Blood Flow Metab2000，20，3： | 1 |
| 5 | Specificity of insulin-like growth factor Ⅰ and insulin on Shc phosphorylation and Grb2 recruitment in caveolae显示文摘 | Biedi C Panetta D Segat D | 2003 | Endocrinology2003，144，12： | 1 |
| 6 | Nitrogen excretion and ammonia emissions from pigs fed modified diets显示文摘 | Panetta D M Powers W J Xin H | 2006 | Journal of Environmental Quality2006，35，11： | 1 |
| 7 | Smooth muscle progenitor cells in human blood显示文摘 | Simper D Stalboerger PG Panetta CJ | 2002 | Circulation2002，106，10： | 1 |
| 8 | Smooth muscle progenitor cells in human blood 显示文摘 | Simper D Stalboerger PG Panetta CJ | 2002 | Circulation2002，106，10： | 1 |
| 9 | The cost of Parthenium weed to the Queensland cattle industry显示文摘 | CHIPPENDALE J F PANETTA F D | 1994 | Plant Pro- tection Quarterly1994，9，2： | 1 |
| 10 | Smooth muscle progenitor cells in human blood显示文摘 | Simper D Stalboerger PG Panetta C J | 2002 | Circulation2002，106，10： | 1 |
| 11 | Bone tissue engineeringscaffolds of today and tomorrow 显示文摘 | Panetta N J Gupta D M Longaker M T | 2009 | J Craniofac Surg2009，20，5： | 1 |
| 12 | Smooth muscle progenitor cells in human blood显示文摘 | Simper D Stalboerger PG Panetta C J | 2002 | Circulation2002，106，10： | 1 |
| 13 | Smooth muscle progenitor cells in human blood显示文摘 | Simper D Stalboerger PG Panetta CJ | 2002 | Circulation2002，106，10： | 1 |
| 14 | Management strategy impacts on ammonia from swine manure显示文摘 | Panetta D M Power W J Lorimor J C | 2005 | J Environ Qual2005，34，3： | 1 |
| 15 | Smooth muscle progenitor cells in human blood 显示文摘 | Simper D Stalboerger PG Panetta C J | 2002 | Circulation2002，106，10： | 1 |
| 16 | Feeder-free deriva- tion of induced pluripotent stem cells from adult human adi- pose stem cells显示文摘 | Sun N Panetta N J Gupta D M | 2009 | Proc Nat/Acad Sci USA2009，106，15： | 1 |
| 17 | Smooth muscle progenitor cells in human blood显示文摘 | Simper D Stalboerger PG Panetta CJ | 2002 | Circulation2002，106，10： | 1 |
| 18 | Why do Companies Go public? An Empirical Analysis 显示文摘 | Pagano M Panetta F d' Italia B Zingales L | 1998 | Journal of Finance1998，53，1： | 1 |
| 19 | A system of assessing proposed plant introductions for weed potential 显示文摘 | PANETTA F D | 1993 | Plant Protection Quarterly1993，8，： | 1 |
| 20 | Modeling Immunotherapy of the Tumor-Immune Interaction显示文摘 | Panetta J C | 1998 | J Math Biol1998，37，： | 1 |
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