Adenoma Detection Rate Improvement in Screening Colonoscopy
Conditions
Keywords
Colonoscopy, Adenoma, ADR, Screening Colon Cancer
Brief summary
The investigators are retrospectively comparing detection rates of adenomatous polyps, advanced adenomas, and size assessment of the polyps among Rush University Medical Center endoscopists. The investigators plan to review whether the size assessment of adenomatous polyps affected the surveillance protocols and if the location of polyps detected affected the detection rates.
Detailed description
The study plans to compare detection rates of adenomatous as well as the sessile serrated polyps, advanced adenomas and size assessment of the polyps among the endoscopists at the study site. In addition, the study team aims to evaluate rates of advanced neoplasia on surveillance colonoscopy based on certain features on initial colonoscopy and patient characteristics, including specific high-risk histologic features and concurrent medication usage such as aspirin. In addition, patients with at least one adenoma on surveillance colonoscopy will be identified and regarded as cases. Cases will be compared against normal surveillance colonoscopy. The Controls will be selected on a 1:1 ratio. Aspirin use will be compared between groups.
Interventions
None listed
Sponsors
Rush University Medical Center
Study design
Observational model
CASE_ONLY
Time perspective
RETROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
40 Years to 80 Years
Healthy volunteers
Yes
Inclusion criteria
* Presence of adenomatous polyps detected at endoscopy and diagnosed pathologically by tissue biopsy * Have a colonoscopy at RUMC for screening purposes
Exclusion criteria
* Failure to meet inclusion criteria * Previous diagnosis of IBD or colorectal cancer
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Adenomatous Polyp Detection Rate | one year | Assessing for advanced adenomas (including location). |
| Endoscopic Size Assessment Versus Pathological Size Assessment | one year | Size of polyps at time of endoscopic procedure will be compared to the size of the same polyp by pathological assessment. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Retroflexion as an indication of adenoma detection rate in colorectal cancer screening | one year | Retroflexion is a common but not mandatory practice in colonoscopy which as not been systematically studied in terms of polyp detection. Charts will be reviewed to determine whether retroflexion was performed. |
Countries
United States
Outcome results
None listed