Second-generation colon capsule endoscopy compared with colonoscopy - 27/08/11
Riassunto |
Background |
Colon capsule endoscopy (CCE) represents a noninvasive technology that allows visualization of the colon without requiring sedation and air insufflation. A second-generation colon capsule endoscopy system (PillCam Colon 2) (CCE-2) was developed to increase sensitivity for colorectal polyp detection compared with the first-generation system.
Objective |
To assess the feasibility, accuracy, and safety of CCE-2 in a head-to-head comparison with colonoscopy.
Design and Setting |
Prospective, multicenter trial including 8 European sites.
Patients |
This study involved 117 patients (mean age 60 years). Data from 109 patients were analyzed.
Intervention |
CCE-2 was prospectively compared with conventional colonoscopy as the criterion standard for the detection of colorectal polyps that are ≥6 mm or masses in a cohort of patients at average or increased risk of colorectal neoplasia. Colonoscopy was independently performed within 10 hours after capsule ingestion or on the next day.
Main Outcome Measurements |
CCE-2 sensitivity and specificity for detecting patients with polyps ≥6 mm and ≥10 mm were assessed. Capsule-positive but colonoscopy-negative cases were counted as false positive. Capsule excretion rate, level of bowel preparation, and rate of adverse events also were assessed.
Results |
Per-patient CCE-2 sensitivity for polyps ≥6 mm and ≥10 mm was 84% and 88%, with specificities of 64% and 95%, respectively. All 3 invasive carcinomas were detected by CCE-2. The capsule excretion rate was 88% within 10 hours. Overall colon cleanliness for CCE-2 was adequate in 81% of patients.
Limitations |
Not unblinding the CCE-2 results at colonoscopy; heterogenous patient population; nonconsecutive patients.
Conclusion |
In this European, multicenter study, CCE-2 appeared to have a high sensitivity for the detection of clinically relevant polypoid lesions, and it might be considered an adequate tool for colorectal imaging.
Il testo completo di questo articolo è disponibile in PDF.Abbreviations : CCE-2, PEG
Mappa
| DISCLOSURE: C. Spada, C. Hassan, H. Neuhaus, J. Deviere, A. Van Gossum, S. Sacher-Huvelin, J-P Galmiche, and G. Costamagna are speakers for Given Imaging Ltd. J. Deviere, J-P Galmiche, and G. Costamagna have received research grants from Given Imaging Ltd. No other financial relationships relevant to this publication were disclosed. |
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| If you would like to chat with an author of this article, you may contact Dr Spada at cristianospada@gmail.com. |
Vol 74 - N° 3
P. 581 - settembre 2011 Ritorno al numeroBenvenuto su EM|consulte, il riferimento dei professionisti della salute.
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