Objective To investigate whether gum chewing before colonoscopy can reduce the common discomfort of colonoscopy patients when taking polythelene glycol solution. Methods We conducted an experimental study from December 2015 to August 2016. Totally 136 cases of patients were randomly allocated into gum-chewing group and control group. In control group, patients drank a polyethylene glycol solution conventionally but those in gum-chewing group had to chew one stick of sugarless gum during the interval of drinking polyethylene glycol solution. Intestinal tract cleanliness in two groups was assessed by the Boston Bowel Preparation Scale and patients' discomfort and intake compliance by a self-designed questionnaire. Results Totally 131 cases completed the study. And the incidence of abdominal distention and anus discomfort in gum-chewing group was lower than that in control group (P<0.05), the intake compliance and the speed of peristalsis was better in gum-chewing group ( P<0.05) , but there was no statistical significance found in the total score of intestinal tract cleanliness ( P>0.05). Conclusion Gum chewing is effective for improving abdominal discomfort, and intake adherence of patients in colonoscopy preparation, and accelerating speed of peristalsis.%目的 探讨咀嚼口香糖对服用复方聚乙二醇电解质散(和爽)进行肠道准备患者的舒适度、依从性及肠道清洁度的影响.方法 本研究为类实验性研究,连续纳入2015年12月—2016年8月住院行肠道准备的患者136例,采用随机数字表法将研究对象分为观察组和对照组.对照组采用传统的肠道准备方法进行肠道准备,观察组按要求在服用和爽间隔期间咀嚼无糖口香糖.采用Boston量表评价2组患者的肠道清洁度,采用自行设计的问卷对患者的舒适度及依从性进行评价.结果 共131例研究对象完成研究,观察组在腹胀、肛门不适方面的发生情况低于对照组(P<0.05),服用和爽的依从性、肠蠕动速度优于对照组(P<0.05).2组研究对象的肠道清洁度总得分差异无统计学意义(P>0.05).结论 咀嚼口香糖可提高服用复方聚乙二醇电解质散肠道准备患者的舒适度,提高患者依从性,加快肠蠕动速度.
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