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Digestive Diseases and Sciences

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18.08.2020 | Original Article

Latest Generation High-Definition Colonoscopy Increases Adenoma Detection Rate by Trainee Endoscopists

verfasst von: Jong Yoon Lee, Myeongseok Koh, Jong Hoon Lee

Erschienen in: Digestive Diseases and Sciences | Ausgabe 8/2021

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Abstract

Background

Adenoma detection rate (ADR) is an important quality indicator of colonoscopy. High-definition (HD) colonoscopy has been reported to increase ADR compared to standard-definition (SD) colonoscopy. Although there are few reports comparing the latest generation and the previous generation of HD colonoscopy equipment, there are reports that the latest generation colonoscopy equipment improves ADR. However, there are no reports on the impact of the latest generation HD colonoscopy on the ADR of trainee endoscopists.

Aims

The aim of this study was to investigate whether the latest generation HD colonoscopy increases the ADR of trainee endoscopists compared with the previous generation HD colonoscopy.

Method

We conducted a retrospective review of medical records of patients aged 40–79 years old, who underwent screening or surveillance colonoscopy performed by nine gastroenterology fellows at Dong-A University Hospital from March 2019 to February 2020. We calculated the overall ratios of the ADR: the ADRs of the group using the older generation HD colonoscopy equipment and the group using the latest HD colonoscopy equipment. Polyp detection rate (PDR), sessile serrated polyp detection rate (SSPDR), and advanced neoplasia detection rate (ANDR) were calculated for each group. Factors related to adenoma detection were identified using logistic regression analysis.

Results

Altogether, 2189 patients were included in the study (the older HD colonoscopy group comprising 1183 and the latest HD colonoscopy group comprising 1006). We found that PDR (45.98 vs. 51.69%, p = 0.008) and ADR (35.67 vs. 40.85%, p = 0.013) were significantly higher in the latest generation HD colonoscopy group. The generational differences were not statistically significant for SSPDR (1.94 vs. 2.78%, p = 0.195) or ANDR (4.65 vs. 4.97%, p = 0.726). In the multivariate regression analysis, age, male sex, the latest generation HD colonoscopy, and long withdrawal time were the most significant factors affecting adenoma detection.

Conclusions

The latest generation HD colonoscopy improved PDR and ADR by trainee endoscopists. These findings suggest that latest generation, higher-resolution colonoscopy equipment can improve the quality of colonoscopy for less experienced endoscopists.

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Titel: Latest Generation High-Definition Colonoscopy Increases Adenoma Detection Rate by Trainee Endoscopists
verfasst von: Jong Yoon Lee
Myeongseok Koh
Jong Hoon Lee
Publikationsdatum: 18.08.2020
Verlag: Springer US
Erschienen in: Digestive Diseases and Sciences / Ausgabe 8/2021
Print ISSN: 0163-2116
Elektronische ISSN: 1573-2568
DOI: https://doi.org/10.1007/s10620-020-06543-5

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Latest Generation High-Definition Colonoscopy Increases Adenoma Detection Rate by Trainee Endoscopists

Abstract

Background

Aims

Method

Results

Conclusions

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Results

Conclusions

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