Comparison of Same Morning vs Previous Evening Dosing Regimen for Assessment of Quality of Bowel Preparation for Colonoscopy Under Anesthesia

Peking Union Medical College Hospital220 enrolled

Overview

220 patients are allocated randomly to the morning group (am group) or the afternoon group (pm group) and assessed by quality of bowel preparation and residual volume gastric residue.

Study Type

OBSERVATIONAL

Enrollment

220

Conditions

Bowel Preparation

Eligibility

Sex: ALLMin age: 18 YearsMax age: 80 Years

Medical Language ↔ Plain English

Inclusion Criteria: Patients are able to follow the instructions of bowel preparation and have good ability of walking at least an hour. Exclusion Criteria: Clinical diagnosis of obstruction of bowel and sever renal and heart disease.

Locations (2)

Peking Union Medical Hospital

Beijing, Beijing Municipality, China

Peking Union Medical College Hospital

Beijing, China

Outcomes

Primary Outcomes

ottawa score

Two nurses observe cleaning of three parts of colon and give a score for each.

Time frame: a day

gastric residual volume

Gastric contents are suctioned and measured.

Time frame: 30 minutes

colonic residual volume

Colonic fluids are suctioned and measured.

Time frame: 30 minutes

Secondary Outcomes

reflux

incidence of reflux during both the EGD and colonoscopy

Time frame: 60mins

adenoma detection rate

percentages of patients screened with colonic adenoma in total patients

Time frame: a day

Data from ClinicalTrials.gov

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