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| 1 | Narrow-band imaging endoscopy to assess mucosal angiogenesis in inflammatory bowel disease: A pilot study显示文摘AIM: To investigate whether narrow band imaging (NBI) is a useful tool for the in vivo detection of angiogenesis in inflammatory bowel disease (IBD) patients. METHODS: Conventional and NBI colonoscopy was performed in 14 patients with colonic inflammation (8 ulcerative colitis and 6 Crohn’s disease). Biopsy samples were taken and CD31 expression was assayed immuno- histochemically; microvascular density was assessed by vessel count. RESULTS: In areas that were endoscopically normal but positive on NBI, there was a significant (P < 0.05) increase in angiogenesis (12 ± 1 vessels/field vs 18 ± 2 vessels/field) compared with areas negative on NBI. In addition, in areas that were inflamed on white light endoscopy and positive on NBI, there was a significant (P < 0.01) increase in vessel density (24 ± 7 vessels/f ield) compared with NBI-negative areas.CONCLUSION: NBI may allow in vivo imaging of intestinal angiogenesis in IBD patients. | Silvio Danese Gionata Fiorino Erika Angelucci Stefania Vetrano Nico Pagano Giacomo Rando Antonino Spinelli Alberto Malesci Alessandro Repici | 2010 | World Journal of Gastroenterology2010，16，19： | 9 |
| 2 | Retrograde-viewing device improves adenoma detection rate in colonoscopies for surveillance and diagnostic workup显示文摘AIM:To determine which patients might benefit most from retrograde viewing during colonoscopy through subset analysis of randomized,controlled trial data.METHODS:The Third Eye Retroscope Randomized Clinical Evaluation(TERRACE) was a randomized,controlled,multicenter trial designed to evaluate the efficacy of a retrograde-viewing auxiliary imaging device that is used during colonoscopy to provide a second video image which allows viewing of areas on the proximal aspect of haustral folds and flexures that are difficult to see with the colonoscope's forward view.We performed a post-hoc analysis of the TERRACE data to determine whether certain subsets of the patient population would gain more benefit than others from use of the device.Subjects were patients scheduled for colonoscopy for screening,surveillance or diagnostic workup,and each underwent same-day tandem examinations with standard colonoscopy(SC) and Third Eye colonoscopy(TEC),randomized to SC followed by TEC or vice versa.RESULTS:Indication for colonoscopy was screening in 176/345 subjects(51.0%),surveillance after previous polypectomy in 87(25.2%) and diagnostic workup in 82(23.8%).In 4 subjects no indication was specified.Previously reported overall results had shown a net additional adenoma detection rate(ADR) with TEC of 23.2% compared to SC.Relative risk(RR) of missing adenomas with SC vs TEC as the initial procedure was 1.92(P = 0.029).Post-hoc subset analysis shows additional ADRs for TEC compared to SC were 4.4% for screening,35.7% for surveillance,55.4% for diagnostic and 40.7% for surveillance and diagnostic combined.The RR of missing adenomas with SC vs TEC was 1.11(P = 0.815) for screening,3.15(P = 0.014) for surveillance,8.64(P = 0.039) for diagnostic and 3.34(P = 0.003) for surveillance and diagnostic combined.Although a multivariate Poisson regression suggested gender as a possibly significant factor,subset analysis showed that the difference between genders was not statistically significant.Age,bowel prep quality and withdrawal time did not significantly affect the RR of missing adenomas with SC vs TEC.Mean sizes of adenomas detected with TEC and SC were similar at 0.59 cm and 0.56 cm,respectively(P = NS).CONCLUSION:TEC allows detection of significantly more adenomas compared to SC in patients undergoing surveillance or diagnostic workup,but not in screening patients(ClinicalTrials.gov Identifier:NCT01044732). | Peter D Siersema Amit Rastogi Anke M Leufkens Paul A Akerman Kassem Azzouzi Richard I Rothstein Frank P Vleggaar Alessandro Repici Giacomo Rando Patrick I Okolo Olivier Dewit Ana Ignjatovic Elizabeth Odstrcil James East Pierre H Deprez Brian P Saunders Anthony N Kalloo Bradley Creel Vikas Singh Anne Marie Lennon Daniel C DeMarco | 2012 | World Journal of Gastroenterology2012，18，26： | 6 |
| 3 | Effect of a retrograde-viewing device on adenoma detection rate during colonoscopy: the TERRACE study显示文摘 | Anke M. Leufkens Daniel C. DeMarco Amit Rastogi Paul A. Akerman Kassem Azzouzi Richard I. Rothstein Frank P. Vleggaar Alessandro Repici Giacomo Rando Patrick I. Okolo Olivier Dewit Ana Ignjatovic Elizabeth Odstrcil James East Pierre H. Deprez Brian P. Sau | 2011 | Gastrointestinal Endoscopy2011，，3： | 5 |
| 4 | Balanced propofol sedation administered by nonanesthesiologists:The first Italian experience显示文摘AIM:To assess the efficacy and safety of a balanced approach using midazolam in combination with propofol,administered by nonanesthesiologists,in a large series of diagnostic colonoscopies.METHODS:Consecutive patients undergoing diagnostic colonoscopy were sedated with a single dose of midazolam(0.05 mg/kg)and lowdose propofol(starter bolus of 0.5 mg/kg and repeated boluses of 10 to 20 mg).Induction time and deepest level of sedation,adverse and serious adverse events,as well as recovery times,were prospectively assessed.Cecal intubation and adenoma detection rates were also collected.RESULTS:Overall,1593 eligible patients were included.The median dose of propofol administered was 70 mg(range:40120 mg),and the median dose of midazolam was 2.3 mg(range:24 mg).Median induction time of sedation was 3 min(range:14 min),and median recovery time was 23 min(range:1040 min).A moderate level of sedation was achieved in 1561(98%) patients,whilst a deep sedation occurred in 32(2%) cases.Transient oxygen desaturation requiring further oxygen supplementation occurred in 8(0.46%;95% CI:0.2%0.8%)patients.No serious adverse event was observed.Cecal intubation and adenoma detection rates were 93.5%and 23.4%(27.8%for male and 18.5%for female,subjects),respectively.CONCLUSION:A balanced sedation protocol provided a minimalization of the dose of propofol needed to target a moderate sedation for colonoscopy,resulting in a high safety profile for nonanesthesiologist propofol sedation. | Alessandro Repici Nico Pagano Cesare Hassan Alessandra Carlino Giacomo Rando Giuseppe Strangio Fabio Romeo Angelo Zullo Elisa Ferrara Eva Vitetta Daniel de Paula Pessoa Ferreira Silvio Danese Massimo Arosio Alberto Malesci | 2011 | World Journal of Gastroenterology2011，17，33： | 2 |
| 5 | Expandable Stents for Malignant Dysphagia 显示文摘 | Alessandro Repici Giacomo Rando | 2008 | Techniques in Gastrointestinal Endoscopy2008，10，： | 1 |
| 6 | Endoscopic submucosal dissection in patients with early esophageal squamous cell carcinoma: results from a prospective Western series显示文摘 | Alessandro Repici Cesare Hassan Alessandra Carlino Nico Pagano Angelo Zullo Giacomo Rando Giuseppe Strangio Fabio Romeo Rinaldo Nicita Riccardo Rosati Alberto Malesci | 2010 | Gastrointestinal Endoscopy2010，，： | 1 |
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