INTRODUCTION: Population-based estimates of adherence to Barrett's esophagus (BE) guidelines are not available. Using a national registry, we assessed surveillance intervals for patients with normal and irregular Z-lines based on the presence or absence of intestinal metaplasia (IM) and among patients with suspected or confirmed BE. METHODS: We analyzed data from the GI Quality Improvement Consortium Registry. Endoscopy data, including procedure indication, demographics, endoscopy and histology findings, and recommendations for further endoscopy, were assessed from January 2013 through December 2019. Patients with an indication of BE screening or surveillance or an endoscopic finding of BE were included. Biopsy and surveillance practices were assessed based on the length of columnar epithelium (0 cm, <1 cm, 1-3 cm, and >3 cm) and diagnosis based on histology findings. RESULTS: A total of 1,907,801 endoscopies were assessed; 135,704 endoscopies (7.1%) performed in 114,894 patients met the inclusion criteria (men 61.4%, Whites 91%, and mean age of 61.7 years [SD 12.5]). Among patients with normal Z-lines, surveillance endoscopy was recommended for 81% of patients with IM and 20% of individuals without IM. Among patients with irregular Z-lines, surveillance endoscopy was recommended for 81% with IM and 24% without IM. Approximately 30% of patients with confirmed nondysplastic BE (lengths 1-3 and >3 cm) had recommended surveillance intervals of <3 years. DISCUSSION: An analysis of data from a nationwide quality registry demonstrated that patients without BE are receiving recommendations for surveillance endoscopies and many patients with nondysplastic BE are reexamined too soon.
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