期刊
GASTROINTESTINAL ENDOSCOPY
卷 97, 期 1, 页码 112-120出版社
MOSBY-ELSEVIER
DOI: 10.1016/j.gie.2022.08.030
关键词
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The use of a distal attachment cap with rubber side arms, the Endocuff Vision (ECV), significantly increased adenoma detection rate in primary colonoscopic screening, which is crucial for preventing interval cancers.
Background and Aims: Randomized studies have demonstrated that a distal attachment cap with rubber side arms, the Endocuff Vision (ECV; Olympus America, Center Valley, Pa, USA), increased colonoscopic adenoma detection rate (ADR) in various mixed patient collectives. This is the first study to evaluate its use in a primary colonoscopic screening program. Methods: Patients over age 55 years undergoing screening colonoscopy in 9 German private offices in Berlin and Hamburg were randomized to either the study group using ECV or the control group using high-definition colonoscopies (standard of care). The main outcome parameter was ADR, whereas secondary outcomes were detection rates of all adenomas per colonoscopy (APCs), of adenoma subgroups, and of hyperplastic polyps. Results: Of 1416 patients (mean age, 61.1 years; 51.8% women), with a median of 41 examinations per examiner (nZ23; interquartile range, 12-81), 700 were examined with ECV and 716 without. Adjusting for the effects of the colonoscopies, ADR was 39.5% (95% confidence interval [CI], 32.6%-46.3%) in the ECV group versus 32.2% (95% CI, 25.9%-38.6%) in the control group, which resulted in an increase of 7.2% (95% CI, 2.3%-12.2%; P Z.004). The increase in ADR was mainly because of small polyps, with adjusted ADRs for adenomas <10 mm of 33.3% (95% CI, 26.5%-40.2%) for study patients versus 24.0% (95% CI, 18.2%-29.8%) for control patients (P <.001). APC was also significantly increased (.57 ECV vs.51 control subjects, P Z.045). Conclusions: A distal attachment cap with side arms significantly increased the ADR in patients undergoing primary colonoscopic screening. Because of the correlation of ADR and interval cancer, its use should be encouraged, especially in this setting. (Clinical trial registration number: NCT03442738.) (Gastrointest Endosc 2023;97:112-20.)
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