Objective:To evaluate the quality of intestinalpreparation before colonoscopy and its influencing factors in elderly outpatients.Methods: A total of 210 outpatients over 65 years old who underwent colonoscopy in the endoscopic center at our hospital from Jan.9,2018 to Dec.31, 2019 were selected as the study subjects. The results of intestinalpreparation were scored using the Boston intestinal preparation scale, which divided 210 patients into groups with good intestinal preparation and those with poor intestinal preparation. The patients' basic information, basic medical history and previous history of colonoscopy, diet condition 24 hours before examination, oral compound polyethylene glycol electrolyte powder and stool condition after taking medicine were analyzed by single factor analysis, and then the non-conditional binary Logistic regression analysis was carried out. Results:The proportion of patients with poor intestinal preparation was 28.6%(60/210). A single factor analysis showed that low education, constipation, standardized medication, no active exercise after taking medicine, turbidity or residue of the last stool, >6 hours after taking medicine to start examination were closely related with intestinal preparation results. Multivariate analysis showed that constipation (OR=6.326,95% CI:4.313-8.256) and turbidity or residue of the last stool (OR=2.126,95% CI:1.880-3.750) were independent risk factors for poor intestinal preparation, while standardized medication (OR=0.406,95% CI:0.235-0.670) and active exercise (OR=0.293.95% CI:0.091-0.835) were protective factors for intestinal preparation. Conclusion: The incidence of poor intestinal preparation for colonoscopy in elderly outpatients is not rare. Constipation and turbid or dregs in the last stool will lead to poor intestinal preparation. Reasonable intervention measures to guide patients to take medicine regularly and active exercise after taking medicine can improve intestinal preparation quality. |
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