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Comparison of Pentax HiLine and olympus Lucera systems at screening colonoscopy

World Journal of Gastrointestinal Endoscopy 2013年第2期5卷 62-66页

作者： Alexey Chernolesskiy David Swain James C Lee Gareth D Corbett Ewen ab Cameron Department of Gastroenterology Addenbrooke's HospitalCambridge CB2 0QQUnited Kingdom

AIM:To compare the performance characteristics of Pentax HiLine(PHL)(with i-scan) and olympus Lucera(ol) systems in a screening ***:Screening colonoscopies in asymptomatic guaiac faecal occult blood test-positive patients with PHL(n = 58) and ol(n = 425) colonoscopes were *** procedures were performed by a single *** used white-light endoscopy(WLE) on scope insertion and contrast/surface enhancement(i-scan 1) on withdrawal,and ol utilised WLE both on insertion and *** age,sex,instrument insertion and withdrawal times,nurse assessed patient comfort scores,midazolam and fentanyl doses,procedure completion and rates of lesion detection were recorded separately for each *** between the groups were made using either Fisher's exact test(for dichotomous variables) or Mann-Whitney U test(for ordinal and continuous variables).RESULTS:Colonoscopy completion rates were similar in both groups:413/425(97.2%) for ol and 55/58(94.9%) for PHL(P = 0.24).For complete colonoscopies,the two groups were well matched for age,sex,colonoscope insertion times(mean 11.1 min in ol vs 11.6 min in PHL,P = 0.93) and normal colonoscopy withdrawal times(mean 15.6 min in ol vs 14.7 min in PHL,P = 0.2).Patients in the PHL group experienced a small increase in discomfort(mean patient comfort scores were 0.49 in the ol and 0.95 in the PHL group,P ol vs 61.4 μg in PHL,P = 0.13),slightly more Midazolam was required in the PHL group(mean 2.1 mg in ol vs 2.4 mg in PHL,P = 0.035).There was no difference in polyp(58% in ol vs 67% in PHL) or adenoma(49% in ol vs 56% in PHL) detection rates between the *** the total number of polyps and adenomas,nor the characteristics of these(including size,location or presence of advanced features) were different between the two ***:This study suggests that there is no advantage of either colonoscop

关键词： Pentax HiLine i-scan Polyp Adenoma Colonoscopy

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