| Screening Colonoscopy for Average Risk Individuals in Singapore |
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Tiing Leong Ang, Kwong Ming Fock |
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Department of Gastroenterology, Changi General Hospital, Singapore
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| Abstract |
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In Singapore colorectal cancer (CRC) is the most common cancer for males, second most common cancer for females and most common cancer overall. A national CRC screening program for average risks individuals was started in July 2011, with the primary test modality being the faecal immunochemical test. Individuals may choose to undergo screening colonoscopy directly. Colonoscopy has two roles in CRC screening. It is performed either as a primary screening test or used to evaluate abnormal results from another screening test. Colonoscopy is a safe and effective procedure but potential risks exist. Local complications such as perforation and bleeding, cardiopulmonary events and even mortality may occur. Additionally there could be failed cecal intubation and missed lesions. It is imperative that prior to colonoscopy, there is a proper discussion of risks, benefits and alternatives. To provide quality assurance for colonoscopy in the CRC screening program, a set of quality indicators and criteria for endoscopists and endoscopy centres was established. The endoscopists must be qualified specialists with a lifetime experience of at least 500 colonoscopies and 50 polypectomies, and need to meet annual monitoring parameters that include at least 50 colonoscopies, >95% cecal intubation rate, >95% recovery rate of excised polyps, and withdrawal time of at least 6 minutes. In addition, complication rates must be within acceptable limits such as perforation rate of less than 0.1% and postpolypectomy bleeding rate less than 1%. (Intest Res 2012;10: 1-228) |
| Key Words:
Colonic Neoplasms, Colonoscopy, Screening |
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