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Revista colombiana de Gastroenterología
Print version ISSN 0120-9957On-line version ISSN 2500-7440
Abstract
ROLDAN-MOLINA, Luis Fernando et al. Can We Use the Indication for a Colonoscopy as a Predictor of the Adenoma Detection Rate?. Rev. colomb. Gastroenterol. [online]. 2022, vol.37, n.1, pp.41-46. Epub May 19, 2022. ISSN 0120-9957. https://doi.org/10.22516/25007440.743.
Aim:
To determine the adenoma detection rate (ADR) and identify the indications for a colonoscopy that predict adenomas.
Materials and methods:
Cross-sectional study. We included patients older than 18 years who underwent colonoscopy between February and July 2020 at a specialized center in Medellín, Colombia. We estimated the ADR and identified the indications for a colonoscopy, considered predictors for finding adenomas.
Results:
The overall adenoma detection was 21 % (n = 992) and ADR in the screening population was 25 %. The range of 40-49 years contributed 12 % of the total number of adenomas detected, and the male population had a higher incidence (OR 1.73; 95 % CI 1.25-2.38; p < 0.001). Personal history of polyps (OR 1.86; 95 % CI 1.25-2.78; p = 0.002) and fecal occult blood (OR 2.67; 95 % CI 1.12-6.35; p 0.026) are deemed predictors for finding adenomas. LCI filters showed better results in detecting lesions (OR 1.43; 95 % CI 1.02-2.0).
Conclusions:
The indications for a colonoscopy can predict the probability of detecting adenomas. Male gender, a personal history of polyps, fecal occult blood, and the search for adenomas after the age of 40 are the variables that increase the probability of finding adenomas. The use of LCI filters increases lesion detection. The suggested age to start CRC screening is 40 years.
Keywords : Colonoscopy; adenoma; surveillance; screening.