Colonoscopy is a key investigation used to exclude large bowel pathologies including surveillance for CRC (Colorectal cancer) Poor bowel preparation (bowel prep) is one of the most important factors affecting its diagnostic yield. Different formulations of bowel prep are currently in use depending upon patient tolerance, indication & co-morbidities. In University Hospital Llandough we retrospectively reviewed the outcome of colonoscopies performed over period of 3 months, in relation to the type and outcome of bowel preparations used. We implemented a change of patient instruction and pre-assessment of bowel preparation prescribed. We repeated the same measurements over 3 different cycles on 3 different occasions and compared the outcome.
We noticed that quality of bowel preparation noticeably improved from 80% to almost 93% if patients were given appropriate advice in a written format, prior to procedure. In addition to improvement in the quality of assessment & reducing the number of repeat procedures, by changing the bowel preparation product and postage methods we estimated savings of almost £150,000 for the trust in a year.
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