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The challenge of quantifying screening colonoscopy quality: Development and psychometric properties of the Colonoscopy Quality Score instrument

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dc.contributor.authorSaenz Fuenzalida, Roque Luis
dc.contributor.authorRiquelme, A.
dc.contributor.authorDíaz, L.
dc.contributor.authorGarcía, X.
dc.contributor.authorFuentes, E
dc.contributor.authorArnold, J.
dc.contributor.authorCaro, L.
dc.contributor.authorTchekmedyian, A.
dc.contributor.authorOrellana, I.
dc.contributor.authorJover, R.
dc.date.accessioned2024-01-03T19:42:00Z
dc.date.available2024-01-03T19:42:00Z
dc.date.issued2022
dc.description.abstractIntroduction and aims: Colonoscopy quality is measured by the degree in which the examination increases the likelihood of obtaining adequate results on health. Our aim was to develop an instrument for evaluating the quality of screening colonoscopies, taking into account the performance of endoscopists and endoscopy units. Materials and methods: Mixed methodology was employed. The first stage (qualitative) consisted of a Medline search, from which a group of experts developed the quality score items. The second stage (quantitative) utilized a modified Delphi technique to reach consensus (3 rounds). We evaluated the psychometric properties of the instrument (reliability and construct validity) in elective screening colonoscopies (in patients ≥ 50 years of age), performed within the January-April 2017 time frame. Results: A final instrument with 8 items was produced: (1) the Boston Bowel Preparation Scale score; (2) cecal intubation rate; (3) colonoscopy withdrawal time; (4) image documentation; (5) adenoma detection rate; (6) endoscopic surveillance planning; (7) perforation rate, and (8) continuous improvement programs. The instrument was evaluated in 323 colonoscopies performed by 31 endoscopists and found to be one-dimensional and reliable (Cronbach's alpha 0.76). Performance was compared between endoscopists (center 1) and an expert endoscopist from another center (center 2): Boston Bowel Preparation Scale score 8.3 vs. 7.36 (P < .001), cecal intubation rate 93.5 vs. 96%, colonoscopy withdrawal time 14.8 vs. 8.4 min (P < .001), and adenoma detection rate 34 vs. 52.2% (P < .001), respectively. Conclusion: The Colonoscopy Quality Score is a reliable and valid instrument for evaluating screening colonoscopy quality. Its results could be adapted to the usual endoscopic report to adjust monitorization frequency post-colonoscopy.
dc.description.versionVersión Publicada
dc.identifier.citationSáenz-Fuenzalida R, Riquelme-Pérez A, Díaz-Piga LA, García-Rocha X, Fuentes-López E, Arnold-Álvarez J, Caro L, Tchekmedyian A, Orellana-Narváez I, Jover-Martínez R; el Equipo Latinoamericano para el Sistema de Escala de Calidad en Colonoscopía. The challenge of quantifying screening colonoscopy quality: Development and psychometric properties of the Colonoscopy Quality Score instrument. Rev Gastroenterol Mex (Engl Ed). 2022 Jul-Sep;87(3):297-304. doi: 10.1016/j.rgmxen.2021.11.005
dc.identifier.doihttps://doi.org/10.1016/j.rgmxen.2021.11.005
dc.identifier.urihttps://repositorio.udd.cl/handle/11447/8252
dc.language.isoen
dc.subjectAdenoma
dc.subjectAssessment
dc.subjectCalidad
dc.subjectColonoscopy
dc.subjectColonoscopía
dc.subjectColorectal cancer
dc.subjectCáncer colorrectal
dc.subjectEvaluación
dc.subjectQuality
dc.titleThe challenge of quantifying screening colonoscopy quality: Development and psychometric properties of the Colonoscopy Quality Score instrument
dc.typeArticle
dcterms.accessRightsAcceso Abierto
dcterms.sourceRevista de Gastroenterología de México
dspace.entity.typePublication
relation.isAuthorOfPublicationc2aa7028-9fa8-4068-9acc-fca05b7a5d17
relation.isAuthorOfPublication.latestForDiscoveryc2aa7028-9fa8-4068-9acc-fca05b7a5d17

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