Substantial and sustained improvement of serrated polyp detection after a simple educational intervention: results from a prospective controlled trial

Arne G. C. Bleijenberg, Monique E. van Leerdam, Marloes Bargeman, Jan Jacob Koornstra, Yasmijn J. van Herwaarden, Manon C. W. Spaander, Silvia Sanduleanu, Barbara A. J. Bastiaansen, Erik J. Schoon, Niels van Lelyveld, Evelien Dekker*, Joep E. G. IJspeert

*Corresponding author for this work

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    Abstract

    Objective Serrated polyps (SPs) are an important cause of postcolonoscopy colorectal cancers (PCCRCs), which is likely the result of suboptimal SP detection during colonoscopy. We assessed the long-term effect of a simple educational intervention focusing on optimising SP detection.

    Design An educational intervention, consisting of two 45 min training sessions (held 3 years apart) on serrated polyp detection, was given to endoscopists from 9 Dutch hospitals. Hundred randomly selected and untrained endoscopists from other hospitals were selected as control group. Our primary outcome measure was the proximal SP detection rate (PSPDR) in trained versus untrained endoscopists who participated in our faecal immunochemical test (FIT)-based population screening programme.

    Results Seventeen trained and 100 untrained endoscopists were included, who performed 11 305 and 51 039 colonoscopies, respectively. At baseline, PSPDR was equal between the groups (9.3% vs 9.3%). After training, the PSPDR of trained endoscopists gradually increased to 15.6% in 2018. This was significantly higher than the PSPDR of untrained endoscopists, which remained stable around 10% (p=0.018). All below-average (ie, PSPDR

    Conclusion A simple educational intervention was associated with substantial long-term improvement of PSPDR in a prospective controlled trial within FIT-based population screening. Widespread implementation of such interventions might be an easy way to improve SP detection, which may ultimately result in fewer PCCRCs.

    Original languageEnglish
    Pages (from-to)2150-2158
    Number of pages9
    JournalGut
    Volume69
    Issue number12
    DOIs
    Publication statusPublished - Dec-2020

    Keywords

    • INCREASED ADENOMA DETECTION
    • COLORECTAL-CANCER
    • WITHDRAWAL TIMES
    • 3 ROUNDS
    • COLONOSCOPY
    • PROGRAM
    • PERFORMANCE
    • PROTECTION
    • DIAGNOSIS
    • PATHWAY

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