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| 1 | Single-center study comparing computed tomography colonography with conventional colonoscopy显示文摘AIM:To compare the results from computed tomography (CT) colonography with conventional colonoscopy in symptomatic patients referred for colonoscopy. METHODS: The study included 227 adult outpatients, mean age 60 years, with appropriate indications for colonoscopy. CT colonography and colonoscopy were performed on the same day in a metropolitan teaching hospital. Colonoscopists were initially blinded to the results of CT colonography but there was segmental unblinding during the procedure. The primary outcome measures were the sensitivity and specificity of CT colonography for the identification of polyps seen at colonoscopy (i.e. analysis by polyp). Secondary outcome measures included an analysis by patient, extracolonic findings at CT colonography, adverse events with both procedures and patient acceptance and preference. RESULTS: Twenty-five patients (11%) were excluded from the analysis because of incomplete colonoscopy or poor bowel preparation that affected either CT colonography, colonoscopy or both procedures. Polyps and masses (usually cancers) were detected at colonoscopy and CT colonography in 35% and 42% of patients, respectively. Of nine patients with a finaldiagnosis of cancer, eight (89%) were identified by CT colonography as masses (5) or polyps (3). For polyps analyzed according to polyp, the overall sensitivity of CT colonography was 50% (95% CI, 39%-61%) but this increased to 71% (95% CI, 52%-85%) for polyps ≥ 6 mm in size. Similarly, specificity for all polyps was 48% (95% CI, 39%-58%) increasing to 67% (95% CI, 56%-76%) for polyps ≥ 6 mm. Adverse events were uncommon but included one colonic perforation at colonoscopy. Patient acceptance was high for both procedures but preference favoured CT colonography. CONCLUSION: Although CT colonography was more sensitive in this study than in some previous studies, the procedure is not yet sensitive enough for widespread application in symptomatic patients. | Ian C Roberts-Thomson Graeme R Tucker Peter J Hewett Peter Cheung Ruben A Sebben EE Win Khoo Julie D Marker Wayne K Clapton | 2008 | World Journal of Gastroenterology2008，14，3： | 4 |
| 2 | Wash water in waterworks:contaminants and process options for reclamation显示文摘Reclamation of clean water from filter backwash water was studied through pilot-scale experiments.The pilot plant consisted of clarification,sand-filtration,and ultrafiltration modules in sequence,with a provision to bypass the sand filter.Clean water that conformed to World Health Organization (WHO) guidelines on Potable Quality was reclaimed.Turbidity,aluminum and iron were found to be critical contaminants in process selection and design.Clarification,followed by sand filtration,was found to be the minimum requirement for recycling filter backwash.However,membrane filtration would enhance reclaimed water quality as the membrane acts as an additional barrier against Giardia and Cryptosporidium. | C B Chidambara Raj Tan Ee Kwong Soh Hoo Tiong Paul Stefan Klose | 2008 | Journal of Environmental Sciences2008，20，11： | 4 |
| 3 | Pacemaker activity recorded in interstitial cells of Cajal of the gastrointestinal tract显示文摘 | Barajas-Lopez C Berezin I Daniel EE | 1989 | Am J Physiol1989，257，： | 1 |
| 4 | Classifications of Young Children's Sleep Problems: A Pilot Study 显示文摘 | Gaylor EE C oodlin - Jones BL Anders TF | 2001 | J Am Acad Child Adolesc Psychiatry2001，40，1： | 1 |
| 5 | Work-family conflict, policies, and the job-life satisfaction relationship: A review and directions for organizational behavior-human resources research 显示文摘 | Kossek EE Ozeki C | 1998 | Journal of Applied Psychology1998，83，： | 1 |
| 6 | What can we learn from rodents about pro- lactin in humans? 显示文摘 | BEN-JONATHAN N LAPENSEE C R LAPENS- EE E W | 2008 | Endoc Rev2008，29，： | 1 |
| 7 | A feedback loop comprising lin-28 and let-7 controls pre-let-7maturation during neural stem-cell commitment 显示文摘 | Rybak A Fuchs H Smirnova L Brandt C Pohl EE Nitsch R etal | 2008 | Nat CellBioi2008，10，8： | 1 |
| 8 | Gastric bypass in obesity显示文摘 | Mason EE Ito C | 1967 | Surg Clin North Am1967，47，6： | 1 |
| 9 | Identification of committed NK cell progenitors in adult murine bone marrow显示文摘 | Douagi I Roth C | 2001 | Eur J Immunol2001，31，6： | 1 |
| 10 | Limitations of next-generation genome sequence assembly显示文摘 | Alkan C Sajjadian S Eichler EE | 2011 | Nature Methods2011，8，1： | 1 |
| 11 | Epidemiology of severe injuries among United States high school athletes 2005- 2007 显示文摘 | Darrow C J Collins CL Yard EE | 2009 | Am J Sports Med2009，37，9： | 1 |
| 12 | Gastric bypass显示文摘 | Mason EE Ito C | 1969 | Ann Surg1969，170，3： | 1 |
| 13 | Holmium laser lithoripsy for ureteral calculi:an outpatient procedure显示文摘 | Yip K H ee F am P C | | J Endourol0，2，： | 1 |
| 14 | Pheochromocytoma and functional paraganglioma syndrome:no longer the 10% tumor显示文摘 | Elder EE Elder G Larsson C | 2005 | J Surg Oncol2005，89，3： | 1 |
| 15 | Photochemical tissue bonding: a potential strategy for treating hmbal stem cell deficiency 显示文摘 | Gu C Ni T Verter EE | 2011 | La- sers Surg Med2011，43，5： | 1 |
| 16 | Pacemaker activity recorded in interstitial cells of Cajal of the gastrointestinal tract显示文摘 | Barajas- Lopez C Berezin I Daniel EE | 1989 | Am J Physiol1989，257，41： | 1 |
| 17 | Evaluation of hemorrhage, sample size, and collateral damage for {ire hepatic biopsy methods in dogs 显示文摘 | Vasanj ee S C Bubenik L J Hosgood G | 2006 | Vet Surg2006，35，1： | 1 |
| 18 | Gastric bypass in obesity显示文摘 | Mason EE Ito C | 1967 | The Surgical Clin-ics Of North America1967，47，6： | 1 |
| 19 | Organ injury scaling: spleen and liver 显示文摘 | Moore EE Cogbill TH Jurkovioch C J | 1995 | J Trauma1995，38，3： | 1 |
| 20 | Gsstric bypass in obesity显示文摘 | Mason EE Ito C | 1967 | Surg Clin North Am1967，47，： | 1 |
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