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01.07.2020 | Computed Tomography

Quality of same-day CT colonography following incomplete optical colonoscopy

verfasst von: Aileen O’Shea, Ann T. Foran, Timothy E. Murray, Eavan Thornton, Ruth Dunne, Michael J. Lee, Martina M. Morrin

Erschienen in: European Radiology | Ausgabe 12/2020

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Abstract

Objectives

Same-day CT colonography (CTC) following incomplete optical colonoscopy allows patients to avoid both a delayed diagnosis and the need for repeat bowel preparation. The aim of our study is to establish the diagnostic quality of same-day CT colonography following an incomplete optical colonoscopy.

Methods

We performed a retrospective review of patients undergoing same-day CT colonography following an incomplete colonoscopy at our center between July 2015 and December 2017 (N = 245). We divided the large bowel into thirteen subsegments in each patient. Using a semiquantitative scoring system, the quality of bowel preparation, adequacy of fecal tagging, and luminal distension were assessed in each subsegment on all views performed. A combined score for each subsection was obtained.

Results

Ninety-nine percent of studies did not require a repeat CTC or optical colonoscopy. Median values for bowel preparation and fecal tagging were satisfactory across the bowel segments for the cohort and luminal distension was acceptable in all but three patients.

Conclusions

Same-day CTC should be considered in centers with capacity, following an incomplete optical colonoscopy. Same-day completion CTCs are of high diagnostic quality and this approach allows patients to avoid repeat bowel cleansing or a delayed diagnosis.

Key Points

• Same-day CT colonography is a high-quality examination that can be performed following incomplete optical colonoscopy.

• Same-day CT colonography should be considered for patients with incomplete optical colonoscopy in centers with the capacity to offer this service.

• Same-day CTC can avoid a delay in diagnosis and avoids repeat bowel preparation.

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Titel: Quality of same-day CT colonography following incomplete optical colonoscopy
verfasst von: Aileen O’Shea
Ann T. Foran
Timothy E. Murray
Eavan Thornton
Ruth Dunne
Michael J. Lee
Martina M. Morrin
Publikationsdatum: 01.07.2020
Verlag: Springer Berlin Heidelberg
Erschienen in: European Radiology / Ausgabe 12/2020
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-020-06979-3

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Quality of same-day CT colonography following incomplete optical colonoscopy