Optimizing Colonoscopy Quality: From Bowel Preparation to Surveillance

Background:Endoscopic inspection of colonic mucosa is disturbed by colonic folds and peristalsis, which may result in missed polyps. Cimetropium bromide, an antispasmodic agent, inhibits peristalsis and colonic spasms, which may improve polyp detection. The purpose of this randomized, double-blind, placebo-controlled study was to investigate whether cimetropium bromide could improve polyp and adenoma detection in the colorectum and right colon.Methods:Patients undergoing screening or diagnostic colonoscopy were randomized to receive intravenous cimetropium bromide (5 mg) or placebo after cecal intubation. The primary outcomes were the number of polyps per patient (PPP) and adenomas per patient (APP); secondary outcomes were the polyp detection rate (PDR), adenoma detection rate (ADR), and advanced neoplasm detection rate (ANDR).Results:A total of 181 patients were analyzed; 91 patients received cimetropium bromide and 90 patients received placebo. Cimetropium bromide and placebo groups did not significantly differ in the PPP and APP for the colorectum (1.38 ± 1.58 vs 1.69 ± 2.28, P = .298; 0.96 ± 1.27 vs 1.11 ± 1.89, P = .517, respectively) and right colon (0.70 ± 0.95 vs 0.78 ± 1.21, P = .645; 0.47 ± 0.81 vs 0.51 ± 0.81, P = .757, respectively). Two groups also did not significantly differ in the PDR, ADR, and ANDR for the colorectum and right colon. Furthermore, there were no difference between groups in the PPP, APP, PDR, ADR, and ADNR in a sub-analysis of expert and non-expert endoscopists.Conclusions:Cimetropium bromide did not improve polyp and adenoma detection in the colorectum and right colon during colonoscope withdrawal, regardless of the expertness of the endoscopist. However, its use may be helpful in patients with active peristalsis or for beginning endoscopists during standard colonoscopy without a transparent cap.

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Quality measures in gastrointestinal endoscopy: the current state

Adams

Saini²,

Allen³

2017

Current Opinion in Gastroenterology

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With the advent of better measures, we are beginning to understand that initial process and surrogate outcome measures (adenoma detection rate) can be improved to provide a better reflection of endoscopic quality. Importantly, however, even measures currently in use relate to important patient outcomes such as missed colon cancers. At a federal level, older cumbersome pay-for-performance initiatives have been combined into a new overarching program named the quality payment program within the centers for medicare and medicaid services. This program is an additional step toward furthering the progress from volume-to-value-based reimbursement. The legislation mandating the movement toward outcomes-linked (value) reimbursement is the medicare access and children's health insurance program reauthorization act, which was passed with overwhelming bipartisan support and will not be walked back by alterations of the affordable care act. Increasing portions of medicare reimbursement (and likely commercial to follow) will be linked to quality metrics, so familiarity with the underlying process and rationale will be important for all proceduralists.

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Optimizing Colonoscopy Quality: From Bowel Preparation to Surveillance

Cited by 4 publications

References 78 publications

Cloud-based multi-media systems for patient education and adherence: a pilot study to explore patient compliance with colonoscopy procedure preparation

Cloud-based multi-media systems for patient education and adherence: a pilot study to explore patient compliance with colonoscopy procedure preparation

Cimetropium bromide does not improve polyp and adenoma detection during colonoscope withdrawal

Quality measures in gastrointestinal endoscopy: the current state

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