This trial will evaluate the efficacy in colon cleansing of a nurse-led educational telephone intervention 24-48 hours before a colonoscopy, in selected participants with a previous inadequate bowel preparation.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SUPPORTIVE_CARE
Masking
SINGLE
Enrollment
657
Subjects will receive a nurse-led educational telephone intervention for bowel preparation 24-48 hours before the colonoscopy
Standard education for bowel preparation at the time of colonoscopy scheduling
Hospital Germans Trias i Pujol
Badalona, Barcelona, Spain
Althaia Hospital de Manresa
Manresa, Barcelona, Spain
Consorci Sanitari Terrassa
Terrassa, Barcelona, Spain
Adequate bowel cleansing for colonoscopy
The efficacy of bowel preparation will be rated by blinded endoscopists using the Boston Bowel Preparation Scale (BBPS). Adequate bowel cleansing will be defined as a BBPS of 2 or more points in every segment of the colon and inadequate bowel cleansing will be defined by at least one of the colon segments with less than 2 points.
Time frame: At the moment of colonoscopy
Overall adenoma detection rate, as defined by the ratio of patients with at least one adenoma in the overall colon
The ratio of patients with at least one adenoma in the overall colon
Time frame: At the moment of colonoscopy
Adenoma detection rate in the right colon
Ratio of patients with at least one adenoma in the right colon (proximal to the splenic flexure)
Time frame: At the moment of colonoscopy
Overall serrated lesion detection rate
Ratio of patients with at least one serrated lesion in the overall colon
Time frame: At the moment of colonoscopy
Serrated lesion detection rate in the right colon
Ratio of patients with at least one serrated lesion in the right colon (proximal to the splenic flexure)
Time frame: At the moment of colonoscopy
Complete colonoscopy rate
Ratio of successful complete colonoscopies (cecal intubation or in case of previous surgery, ileocolic anastomosis)
Time frame: At the moment of colonoscopy
Boston Bowel Preparation Scale
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Hospital de Viladecans
Viladecans, Barcelona, Spain
Hospital Santos Reyes
Aranda de Duero, Burgos, Spain
Hospital Universitario de Canarias
Santa Cruz de Tenerife, Canary Islands, Spain
Hospital Universtiario de Móstoles
Móstoles, Madrid, Spain
Hospital Del Mar
Barcelona, Spain
Hospital de la Santa Creu i Sant Pau
Barcelona, Spain
Hospital Universitario de Burgos
Burgos, Spain
...and 4 more locations
Application of the Boston Bowel Preparation Scale to evaluate colonoscopy bowel cleansing
Time frame: At the moment of colonoscopy
Barcelona Bowel Preparation Scale
Application of the Barcelona Bowel Preparation Scale to evaluate colonoscopy bowel cleansing
Time frame: At the momento of colonoscopy