Copyright
©The Author(s) 2021.
World J Gastrointest Endosc. Dec 16, 2021; 13(12): 619-627
Published online Dec 16, 2021. doi: 10.4253/wjge.v13.i12.619
Published online Dec 16, 2021. doi: 10.4253/wjge.v13.i12.619
Table 1 Study characteristics (including evaluated adenoma detection rate result)
| Ref. | Country | Study design | Investigated blocks | Physician (Fellow inclusion: O, X) | Bowel preparation | No. of a.m./p.m. procedure | ADR (%) |
| Sanaka et al[18], 2009 | United States | Retrospective | Full day | Certified endoscopist (O) | Single PEG 4 L or oral fleet | 1748/1871 | AM (29.3); PM (25.3) |
| Chan et al[19], 2009 | United States | Prospective | Full day | Certified endoscopist (O) | Single PEG 4 L or oral fleet | 432/15 | AM (49.2); PM (45.1) |
| Freedman et al[21], 2011 | United States | Retrospective | Full day | Certified endoscopist (X) | Split dose PEG 4 L | 756/730 | AM (41); PM (44) |
| Long et al[22], 2011 | United States | Retrospective | Full day | Certified endoscopist (X) | Single PEG 4 L | 2219/1202 | 24.9 |
| Lurix et al[23], 2012 | United States | Retrospective | Half day. Full day | Certified endoscopist (O) | Single or Split PEG 4 L | 2148/937 | AM (30); PM (33) |
| Paeck et al[39], 2013 | South Korea | Retrospective | Half day. Full day | Certified endoscopist (O) | Single PEG 4 L | 420/881 | AM (42.3); PM (34.7) |
| Subramanian et al[40], 2015 | United Kingdom | Retrospective | Half day. Full day | Certified endoscopist (O) | Single PEG. Sodium picosulphate | 1091/994 (evening:489) | 27.6 |
| Singh et al[41], 2016 | United States | Retrospective | Full day | Certified endoscopist (O) | Split dose PEG 4 L | 1574/731 | AM (23.1); PM (18.3) |
| Teng et al[42], 2016 | Singapore | Prospective | Full day | Certified endoscopist (X) | Single PEG (morning); Split-dose PEG (afternoon) | 270/263 | AM (29); PM (21) |
| Lei et al[27], 2020 | China | Retrospective | Full day | Certified endoscopist (O) | Split-dose PEG | 261/223 | AM (36); PM (35) |
Table 2 Factors related with higher adenoma detection rate
| Category | Factors |
| Patient-related | Good Bowel preparation |
| Age (Older age), gender (male) | |
| Obesity (Higher body mass index) | |
| Endoscopist-related | Withdrawal time (> 6 min) |
| Assist from nurses/additional observer | |
| Queue list numbers (Small) | |
| Overnight duty (Less or none) | |
| Number of colonoscopies allocated per hour (Less) | |
| Half-day or Full-day schedule (Half-day) | |
| Attending CMEs, conferences, frequent consultations (Less) | |
| Device-related | Higher definition processors, endoscopes |
- Citation: Kim SH, Kim JH. When should we perform colonoscopy to increase the adenoma detection rate? World J Gastrointest Endosc 2021; 13(12): 619-627
- URL: https://www.wjgnet.com/1948-5190/full/v13/i12/619.htm
- DOI: https://dx.doi.org/10.4253/wjge.v13.i12.619