Over the last years a number of new endoscopic imaging modalities have been introduced (high-definition and virtual chromoendoscopy). Given the theoretical advantage of these new imaging techniques, the investigators aimed to investigate their use for the detection of polyps during colonoscopy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
2,146
High-definition colonoscopy
Virtual chromoendoscopy
Standard colonoscopy
University Hospitals Leuven
Leuven, Belgium
Adenoma detection rate (ADR)
Percentage of colonoscopies with detection of 1 or more adenomas. ADR is a well-established quality indicator in colonoscopy in the prevalence of adenomas detected (ADR) as recommended by American Society for Gastrointestinal Endoscopy (ASGE)/American College of Gastroenterology Task Force (ACGTF) and European Society of Gastrointestinal Endoscopy (ESGE). Guidelines stipulate to use ADR as main quality indicator in colonoscopy.
Time frame: 7-10 days
Number of adenomas
Adenoma per colonoscopy rate (APCR)
Time frame: 7-10 days
Type of adenomas
Subtypes of adenomas: tubular adenomas, tubulovillous adenomas, sessile serrated adenomas and adenocarcinomas
Time frame: 7-10 days
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