目的：探讨减少剂量的复方聚乙二醇在CT仿真结肠镜检查前肠道清洁准备的效果，并与传统清洁灌肠效果进行比较。方法将80例行C T仿真结肠镜检查患者随机分成两组，观察组于检查前口服2 L复方聚乙二醇行肠道准备，对照组采用传统肥皂水清洁灌肠进行肠道准备，通过分析CT图像评估两种方法肠道准备效果。结果观察组升结肠与盲肠内粪便量明显少于对照组（P＜0．05）；观察组直肠、升结肠与盲肠内液体残留量明显少于对照组（均 P＜0．015）；两组间各肠段扩张度差异无显著学意义（均 P＞0．05）；比较两种方法的不良反应发生率，差异无显著意义（ P＝0．284）。结论减量复方聚乙二醇能达到理想的肠清效果，且液体残留较少，其不良反应发生率与传统灌肠方法相仿。%Objective To compare the effect the reduced-volum polyethylene glycol and traditional soapy water enema for CT virtual colonoscopy preparation .Method 80 patients with CT virtual colonoscopy preparation was se-lected and randomly divided into two groups .patients in experimental group was given 2 L Polyethylene glycol com-pound before check .patients in control was given cleaning enema ,The effect colon cleansing were assessed by ana-lyzing CT images .Result The scores of mean residual stool in ascending colon and cecum were lower than that of control group(P<0 .05 ,P<0 .001) .The scores of mean residual fluid in rectum ,ascending colon and cecum for PEG were lower than that of control group(P<0 .05 ,P<0 .01 and P<0 .05) .The scores for distention of each co-lonic segment and the incidence of adverse reaction were similar for both methods (P>0 .05) .Conclusion Reduced-volume of polyethylene glycol compound for bowel preparations demonstrated adequate cleansing effectiveness for CT colonography with lesser residual stool and fluid .It’s side effects similar to traditional cleaning enema .
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