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Comparison of a new PillCam™ SB2 video capsule versus the standard PillCam™ SB for detection of small bowel disease

Authors Yoav C Metzger, Samuel N Adler, Ariella Bar-Gil Shitrit, Binyamin Koslowsky, Ingvar Bjarnason

Published 8 February 2009 Volume 2009:2 Pages 7—11

DOI http://dx.doi.org/10.2147/RMI.S4227

Review by Single-blind

Peer reviewer comments 3

Yoav C Metzger1, Samuel N Adler2, Ariella Bar-Gil Shitrit3, Binyamin Koslowsky4, Ingvar Bjarnason5

1School of Medicine, Hebrew University of Jerusalem, Israel; 2Department of Gastroenterology, Bikur Holim Hospital, Jerusalem, Israel; 3Department of Gastroenterology, Shaare Zedek Medical Center, Jerusalem, Israel; 4Department of Medicine, Hadassah Medical Organization, Jerusalem, Israel; 5Department of Gastroenterology, King’s College Hospital, London, UK

Background: Capsule endoscopy is the procedure of choice for many suspected small bowel diseases. PillCam™ small bowel (SB), has a high diagnostic yield. No improvements have been made on its optics since its introduction in 2002.

Aim: To compare the diagnostic yield and quality of visualization of PillCam™ SB with that of a new small bowel endoscope (PillCam™ SB2) which has a larger angle of view and upgraded visual attributes.

Methods: Twenty patients were randomized to undergo capsule enteroscopy with PillCam™ SB and PillCam™ SB2 a week apart.

Results: Both procedures had a comparable diagnostic yield. However images from PillCam™ SB2 were found to be significantly better in regards of homogenous light exposure (P < 0.001), sharpness and resolution (P < 0.001), depth of view (P < 0.005), and overall impression (P < 0.0001).

Conclusion: PillCam™ SB2 appears to be superior to the original PillCam™ SB in regard to quality of images obtained.

Keywords: small bowel, capsule endoscopy, image quality, resolution

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