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Water Method in Low-body Mass Index (BMI) Female Patients With Unsedated Colonoscopy

NCT01546259 · Status: WITHDRAWN · Phase: NA · Type: INTERVENTIONAL

Last updated 2016-03-25

No results posted yet for this study

Summary

Water method with water exchange has been shown to reduce medication requirement and pain experienced during colonoscopy. It increases the success rate of cecal intubation in sedated and unsedated patients undergoing screening colonoscopy. Exchange of water during scope insertion minimizes distension of the colonic lumen and decreases loop formation. Exclusion of air from the colon during insertion by omission of air insufflations and suction removal of residual air prevent elongation of the colon. These maneuvers facilitate colonoscopy insertion in average patients and may enhance the success of difficult colonoscopy.

Female gender and low-body mass index (BMI) is independently associated with incomplete colonoscopy, respectively. The investigators postulate that low-BMI female patients may benefit from using the water method for colonoscopy. In this proposal the investigators test the hypothesis that compared with conventional air insufflations the water method with water exchange significantly enhances the success rate of cecal intubation in low-BMI female patients.

The aim of the study is to compare the outcome of colonoscopy using the water method versus the conventional air method in low-BMI female patients. The primary outcome is cecal intubation success rate. The secondary outcomes include cecal intubation time, maximum pain score during colonoscopy, overall pain score after colonoscopy and adenoma detection rate.

Conditions

Interventions

OTHER

Water colonoscopy

Colonoscopy will be performed without medications and aided by water infusion in-lieu of air insufflation during insertion of the colonoscope. The water infusion involves putting warm sterile water into the colon to open up the colon for advancement of the colonoscope until the end of the colon (cecum) is reached. The water is delivered through scope irrigation channel by an infusion pump equipped with a foot switch which will be controlled by the endoscopist. Infused water used to cleanse residual fecal matter will be suctioned as needed to clear the colonic lumen.

Sponsors & Collaborators

  • Air Force Military Medical University, China

    lead OTHER

Principal Investigators

  • Yanglin Pan, MD · Air Force Military Medical University, China

Study Design

Allocation
RANDOMIZED
Purpose
SCREENING
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
80 Years
Sex
FEMALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2011-11-30
Primary Completion
2015-12-31
Completion
2015-12-31

Countries

  • China

Study Locations

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Entities

Diseases

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01546259 on ClinicalTrials.gov