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01-05-2014 | Original Article

A comparative study of degree of colorectal distention with manual air insufflation or automated CO₂ insufflation at CT colonography as a preoperative examination

Authors: Hidenori Kanazawa, Kenichi Utano, Shigeyoshi Kijima, Takahiro Sasaki, Yasuyuki Miyakura, Hisanaga Horie, Yoshikazu Nakamura, Hideharu Sugimoto

Published in: Japanese Journal of Radiology | Issue 5/2014

Abstract

Objectives

The purpose of this study was to compare the degree of colorectal distention between manual insufflation using room air and automatic insufflation using carbon dioxide for computed tomography colonography performed as a preoperative examination for patients with colon cancer.

Materials and methods

Participants comprised 200 patients who underwent computed tomography colonography immediately after colonoscopy from October 2011–2012. The first 100 patients were examined using manual insufflation, and the remaining 100 patients were examined using automated insufflation. Two radiologists independently assessed colorectal distention using a 4-point scale in six segments: cecum, ascending colon, transverse colon, descending colon, sigmoid colon, and rectum. Mean scores of the two radiologists were used to analyze whether any differences existed between techniques in terms of the degree of distention per segment.

Results

Mean distention values for the colonic lumen were better using the automated technique than with the manual technique in both positions (p < 0.05). In segments, distention was significantly better using the automated technique than using the manual technique in the sigmoid and descending colon for prone patients, and in all segments for supine patients.

Conclusions

Automated carbon dioxide insufflation offered significantly improved colorectal distention scores compared to manual room air insufflation.

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Title: A comparative study of degree of colorectal distention with manual air insufflation or automated CO2 insufflation at CT colonography as a preoperative examination
Authors: Hidenori Kanazawa
Kenichi Utano
Shigeyoshi Kijima
Takahiro Sasaki
Yasuyuki Miyakura
Hisanaga Horie
Yoshikazu Nakamura
Hideharu Sugimoto
Publication date: 01-05-2014
Publisher: Springer Japan
Published in: Japanese Journal of Radiology / Issue 5/2014
Print ISSN: 1867-1071
Electronic ISSN: 1867-108X
DOI: https://doi.org/10.1007/s11604-014-0306-0

Keynote webinar | Spotlight on medication adherence

Springer Medicine

A comparative study of degree of colorectal distention with manual air insufflation or automated CO₂ insufflation at CT colonography as a preoperative examination

Abstract

Objectives

Materials and methods

Results

Conclusions

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Objectives

Materials and methods

Results

Conclusions

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