Bowel preparation for colonoscopy and hypokalemia: at the heart of the problem!

Colonoscopy has quickly become the preferred primary test for colorectal cancer (CRC) screening in the United States,1 and it is also extensively used for the same indication or similar indications (ie, workup after a positive fecal test result) in Europe.2 The success of colonoscopy is mainly explained by its high accuracy in detecting (advanced) neoplasia, which in turn has been related to a remarkable degree of CRC incidence and mortality prevention.3,4 In addition, the strict association between quality of the colonoscopy and the risk of postcolonoscopy cancer has prompted strategies to maximize the performance of the endoscopist in terms of detection, to minimize the risk of postcolonoscopy interval cancer.

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