Abstract
Bowel cleansing is one of the most important parameters included in the evaluation of colonoscopy quality. The available evidence suggests that inadequate bowel preparation reduces the diagnostic yield of colorectal neoplasia and increases post-colonoscopy colorectal cancer risk. Nowadays, up to 30% of patients referred for colonoscopy have a poor bowel cleansing. Recently, several studies have analyzed the risk factors for inadequate bowel cleansing as well as the strategies to optimize bowel preparation. In this review, we have focused on summarizing the available evidence in this field.
Highlights
Colonoscopy is the gold-standard procedure for detecting colorectal neoplastic lesions and the removal of polyps
Its efficiency depends on quality indicators as the cecal intubation rate and the adenoma detection rate (ADR) which are both directly linked with the quality of bowel cleansing
Inadequate bowel preparation leads to suboptimal colonoscopy effectiveness, increasing the need to repeat colonoscopies with the subsequent consumption of resources and, more importantly, increases the risk for post-colonoscopy colorectal cancer (CRC) [2, 3]
Summary
Colonoscopy is the gold-standard procedure for detecting colorectal neoplastic lesions and the removal of polyps. Inadequate bowel preparation leads to suboptimal colonoscopy effectiveness, increasing the need to repeat colonoscopies with the subsequent consumption of resources and, more importantly, increases the risk for post-colonoscopy CRC [2, 3]. Up to 30% of diagnostic colonoscopies are reported to have an inadequate bowel cleasing [4]. Several studies have assessed risk factors associated with an inadequate bowel preparation, suggesting that more research is warranted on new strategies to improve bowel cleansing [5]. This review aimed to analyze these recommendations, placing special attention on patients that have an increased risk of inadequate bowel preparation
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