Curbside Consultation in Endoscopy: 49 Clinical Questions, Second Edition

Joseph Leung, MD; Simon Lo, MD

Question 22: I Have Trouble Doing A Complete Colonoscopy In Some Of My Patients Because Of Poor Bowel Preparation. What Should I Do To Insure A Properly Prepared Colon? (continued)

Han-Mo Chiu, MD, PhD

With the increasing evidence that screening, either with a fecal occult blood test or colonoscopy, can prevent colorectal cancer, the demand for colonoscopy has increased remarkably. The discomfort accompanying an endoscopic examination can be efficiently reduced by conscious sedation, but ingesting purgatives for bowel preparation, according to many examinees, is the worst part of the colonoscopy experience. Nevertheless, when using PEG-ELS (polyethylene glycol-electrolyte lavage solution) or sodium phosphate, ingesting a large amount of liquid is inevitable and necessary for adequate bowel…