Objective: To evaluate the efficacy and safety of polyethylene glycol-electrolyte powder in the bowel preparation for colonoscopy.

目的：探讨聚乙二醇电解质散在结肠镜检查前肠道准备中的效果和安全性。

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The importance and mechanism of bowel preparation were also discussed.

同时，还讨论了肠道清洁准备的重要性和机制。

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A bowel preparation program suggested by the authors was performed in 266 patients, of which 241 (94.7%) had a clean colon.

使用肠道清洁准备程序在266例中有241例(占94.7%)达到结肠双对比检查的要求。

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Recently, a number of groups, including my employer, the American Cancer Society, have also recommended considering virtual colonoscopy, which involves the same bowel preparation and a CT scan with some radiation exposure.

CNN: Are colonoscopies really necessary for people over 50?