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Colon Capsule Endoscopy compared to Conventional Colonoscopy under routine screening conditions.


ABSTRACT: Colonoscopy (CSPY) for colorectal cancer screening has several limitations. Colon Capsule Endoscopy (PillCam Colon, CCE) was compared to CSPY under routine screening conditions.We performed a prospective, single-center pilot study at a University Hospital. Data were obtained from November 2007 until May 2008. Patients underwent CCE on Day 1 and CSPY on Day 2. Outcomes were evaluated regarding sensitivity and specificity of polyp detection rate, with a significance level set at >5 mm.59 individuals were included in this study, the results were evaluable in 56 patients (males 34, females 22; median age 59). CCE was complete in 36 subjects. Polyp detection rate for significant polyps was 11% on CSPY and 27% on CCE.6/56 (11%) patients had polyps on CSPY not detected on CCE (miss rate).Overall sensitivity was 79% (95% confidence interval [CI], 61 to 90), specificity was 54% (95% CI, 35 to 70), positive predictive value (PPV) was 63% and negative predictive value (NPV) was 71%. Adjusted to significance of findings, sensitivity was 50% (95% CI, 19 to 81), specificity was 76% (95% CI, 63 to 86), PPV was 20% and NPV was 93%.In comparison to the gold standard, the sensitivity of CCE for detection of relevant polyps is low, however, the high NPV supports its role as a possible screening tool.NCT00991003.

SUBMITTER: Pilz JB 

PROVIDER: S-EPMC2905323 | biostudies-literature | 2010 Jun

REPOSITORIES: biostudies-literature

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Colon Capsule Endoscopy compared to Conventional Colonoscopy under routine screening conditions.

Pilz Julia B JB   Portmann Susanne S   Peter Shajan S   Beglinger Christoph C   Degen Lukas L  

BMC gastroenterology 20100618


<h4>Background</h4>Colonoscopy (CSPY) for colorectal cancer screening has several limitations. Colon Capsule Endoscopy (PillCam Colon, CCE) was compared to CSPY under routine screening conditions.<h4>Methods</h4>We performed a prospective, single-center pilot study at a University Hospital. Data were obtained from November 2007 until May 2008. Patients underwent CCE on Day 1 and CSPY on Day 2. Outcomes were evaluated regarding sensitivity and specificity of polyp detection rate, with a significa  ...[more]

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