The purpose of this study is to compare two regimens of polyethylene glycol(PEG) plus bisacodyl versus PEG alone for bowel preparation in hospitalized patients.
Inadequate bowel preparation may lead to a longer colonoscopy, and to an inability to identify lesions. PEG can provide a rapid orthograde peroral approach to colonic lavage without producing significant fluid or electrolyte changes. Thus PEG is now commonly used for bowel preparation. However, large amounts and unsatisfactory taste of PEG solution are generally poorly tolerated, especially in hospitalized patients who had comorbidity and restricted ambulation. Recently, a new PEG-based bowel cleansing agents became available. It combines PEG with a high dose of ascorbic acid or bisacodyl. Although many studies reported the efficacy of these combined solution for colonoscopy, but efficacy in hospitalized patients was under-recognized.
Study Type
OBSERVATIONAL
Enrollment
600
The efficacy of bowel preparation
Ottawa scale
Time frame: one day (after colonoscopy)
Patient's compliance and acceptability
acceptability, Visual Analogue Scale
Time frame: one day (after injestion of preparation solution)
Patient's compliance and acceptability (2)
stress for ingestion, Stress 0(not) - 4(severe)
Time frame: one day (after injestion of preparation solution)
Patient's compliance and acceptability (3)
willingness for re-evaluation, 0(very willing) - 4(some)
Time frame: one day (after colonoscopy)
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