The timing of bowel preparation before colonoscopy determines the quality of cleansing,and is a significant factor contributing to the detection of flat lesions:A randomized study
The timing of bowel preparation before colonoscopy determines the quality of cleansing,and is a significant factor contributing to the detection of flat lesions:A randomized study作者机构：Department of Gastroenterology Hospital Universitario de Canarias La Laguna 38109 Santa Cruz de Tenerife Spain Research Unit Hospital Universitario de Canarias La Laguna 38109 Santa Cruz de Tenerife Spain
出 版 物：《World Journal of Gastroenterology》 (世界胃肠病学杂志（英文版）)
年 卷 期：2006年第12卷第38期
页 面：6161-6166页
核心收录：
学科分类：1002[医学-临床医学] 100201[医学-内科学(含：心血管病、血液病、呼吸系病、消化系病、内分泌与代谢病、肾病、风湿病、传染病)] 10[医学]
基 金：Supported by Grants from the Instituto de Salud Carlos III (C03/02) and from the Consejería de Educación Cultura y Deportes Gobierno de Canarias No.PI2002/138
主 题：Colonoscopy Preparation Polyp Flat lesion Sodium phosphate Polyethylene glycol
摘 要：AIM： To compare the cleansing quality of polyethylene glycol electrolyte solution and sodium phosphate with different schedules of administration, and to evaluate whether the timing of the administration of bowel preparation affects the detection of polyps. METHODS： One hundred and seventy-seven consecutive outpatients scheduled for colonoscopy were randomized in one of four groups to receive polyethylene glycol electrolyte solution or oral sodium phosphate with two different timing schedules. Quality of cleansing, polyp detection, and tolerance were evaluated. RESULTS： Patients receiving polyethylene glycol or sodium phosphate on the same day as the colonoscopy, obtained good to excellent global cleansing scores more frequently than patients who received polyethylene glycol or sodium phosphate on the day prior to the procedure （P 〈 0.001）. Flat lesions, but not fiat adenomas, were more frequent in patients prepared on the same day （P = 0.02）. CONCLUSION： The quality of colonic cleansing and the detection of fiat lesions are significantly improved when the preparation is taken on the day of the colonoscopy.
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