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Abstract
Although most large nonpedunculated colorectal lesions can be safely and efficaciously removed using endoscopic mucosal resection (EMR), the use of colectomy for benign colorectal lesions appears to be increasing. The reason(s) is unclear. We aimed to determine the utilization and the adverse events of EMR in the United States.We used Optum's de-identified Clinformatics Data Mart Database (2003-2016), a database from a large national insurance provider, to identify all colonoscopies performed with either EMR or simple polypectomy on adult patients from January 1, 2011, through December 31, 2015. We measured time trends, regional variation, and adverse event rates. We assessed risk factors for adverse events using multivariate logistic regression.EMR is increasingly used in the United States, from 1.62% of all colonoscopies in 2011 to 2.48% of colonoscopies in 2015 (p<0.001). There were, however, significant regional differences in the utilization of EMRs, from 2.4% of colonoscopies in the western United States to 2.0% of colonoscopies in the southern United States. From 2011 to 2015, we found stable rates of perforation, gastrointestinal bleeding (GIB), infections, and cardiac adverse events, and decreasing rates of admissions after EMR. In our multivariate model, EMR was an independent risk factor for adverse events, albeit the rates of adverse events were low (1.35% GIB, 0.22% perforation).EMR is increasingly used in the United States, although there is significant regional variation. The rates of adverse events after EMR and polypectomies were low and stable, confirming the continuing safety of EMR procedures. A better understanding of the regional barriers and facilitators may improve the use of EMR as the standard management for benign colorectal lesions throughout the United States.
View details for DOI 10.1016/j.gie.2019.08.004
View details for PubMedID 31437455