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Úloha preventivní kolonoskopie v detekci kolorektální neoplázie. / The role of preventive colonoscopy in the detection of colorectal neoplasia.Vojtěchová, Gabriela January 2020 (has links)
Colonoscopy is used in colorectal cancer (CRC) screening either as an independent screening method (screening colonoscopy) or following a positive result of a primary screening test (eg. fecal occult blood test, FOBT). Preventive colonoscopy is the collective name for screening and FOBT+ colonoscopy. Due to the considerable variability in the detection of colorectal neoplasia between individual endoscopists, colonoscopy quality indicators were introduced. Adenoma detection rate (ADR) and polyp detection rate (PDR) are defined as the proportion of colonoscopies in which at least one adenoma (for ADR) or polyp (for PDR) was detected to the total number of colonoscopies performed. ADR is considered a key indicator of the quality of colonoscopy. Adenoma per colonoscopy (APC), defined as the total number of adenomas detected relative to the total number of colonoscopies performed, is the most accurate indicator currently available. However, APC limit values have not yet been set. Both ADR and APC are validated indicators, but their evaluation is time-consuming and personnel-intensive, which limits their use in clinical practice. The main purpose of the presented work is to simplify the monitoring of colonoscopy quality by introducing a more user-friendly indicator, which does not require histological...
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