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Published in: Surgical Endoscopy 7/2020

01-07-2020 | Colonoscopy

A low-residue diet before colonoscopy tends to improve tolerability by patients with no differences in preparation quality: a randomized trial

Authors: Elisa Gómez-Reyes, Alejandra Tepox-Padrón, Gregorio Cano-Manrique, Natalia J. Vilchis-Valadez, Stefany Mora-Bulnes, Gilberto Medrano-Duarte, Luis Gerardo Chaires-Garza, Guido Grajales-Figueroa, Daniel Ruiz-Romero, Félix I. Téllez-Ávila

Published in: Surgical Endoscopy | Issue 7/2020

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Abstract

Background

The pre-colonoscopy diet traditionally involves 24 h of a clear liquid diet (CLD) in combination with a lavage solution; however, this preparation is poorly tolerated.

Aim

To compare the impact on the quality of bowel cleansing and tolerability of a CLD versus a low-residue diet (LRD).

Methods

We performed a randomized trial. Subjects were randomized to CLD or LRD the day before of elective colonoscopy. All subjects received a 4-L preparation of single-dose PEG beginning 16 h prior to colonoscopy. The Boston bowel preparation scale was used to evaluate bowel cleansing; an adequate-quality preparation was defined as a score ≥ 2 per segment.

Results

A total of 205 subjects were included with a mean age (SD) of 55.6 (12.6) years; 133 (64.9%) of them were female. A total of 105 subjects were randomized to receive CLD and 100 to LRD. No significant differences in bowel preparation quality were observed between groups according to the section of colon: right colon (70% vs. 73%, p = 0.08), transverse colon (82% vs. 79%, p = 0.062), or left colon (80% vs. 78.7%, p = 0.28). There was a tendency toward less-frequent nausea (p = 0.08) and vomiting (p = 0.07) in patients with LRD. No differences between groups regarding ADR (12% vs. 10%) were noted.

Conclusions

An LRD before colonoscopy resulted in a tendency toward improved tolerability by patients, with no differences in the quality of bowel preparation.
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Metadata
Title
A low-residue diet before colonoscopy tends to improve tolerability by patients with no differences in preparation quality: a randomized trial
Authors
Elisa Gómez-Reyes
Alejandra Tepox-Padrón
Gregorio Cano-Manrique
Natalia J. Vilchis-Valadez
Stefany Mora-Bulnes
Gilberto Medrano-Duarte
Luis Gerardo Chaires-Garza
Guido Grajales-Figueroa
Daniel Ruiz-Romero
Félix I. Téllez-Ávila
Publication date
01-07-2020
Publisher
Springer US
Keyword
Colonoscopy
Published in
Surgical Endoscopy / Issue 7/2020
Print ISSN: 0930-2794
Electronic ISSN: 1432-2218
DOI
https://doi.org/10.1007/s00464-019-07100-6

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