Water Injection Colonoscopy vs Air Insufflation Colonoscopy in Experienced Endoscopists

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

300 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-02-28

Study Completion Date

2013-04-30

Brief Summary

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Water injection colonoscopy has been a generally accepted method in training the beginners of colonoscopy for its low pain and less cecal intubation time, the investigators would conduct this study to investigate advantages of this method for experienced endoscopists.

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Detailed Description

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Up to now, many studies has showed that compared with air insufflation colonoscopy, water-related colonoscopy could shorten the cecal intubation time and relieve the pain of the patients,especially for training the beginners，the effect was notable, but the present researches on water assisted technique has still been confined to following aspects:1.Water infusing was based on air insufflation; predetermined amount of water was infused ,and water was infused while passing through certain segment of the bowel(such as the left half of colon) ; 2.When training the first-learners, certain dose of sedatives or analgesics was injected; 3.The patients recruited were less. Colonoscopies in this study would be performed by experienced endoscopists of air insufflation colonoscopy, water would be injected completely instead of air insufflation while advancing the colonoscope, the amount of the water infused would not be predetermined but vary from individuals, and all the patients would be examined without any sedatives or analgesics.

Conditions

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Colon Disease; Rectal Disease;

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

DIAGNOSTIC

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Air insufflation colonoscopy

Air insufflation colonoscopy is the conventional colonoscopy,which is inflating air to help searching the bowel cavity while advancing the colonoscope until reaching the cecum.All the patients were examined without sedation during the whole procedure.

Group Type ACTIVE_COMPARATOR

Air insufflation

Intervention Type OTHER

Air is inflated into the bowel to help searching the cavity while advancing the colonoscope until reaching the cecum

Water injection colonoscopy

Water injection colonoscopy : Cut off air inflating before examination. Water was injected through the working channel to follow the intestinal cavity until reaching the caecum .All the patients were examined without sedation during the whole procedure.

Group Type EXPERIMENTAL

Water injection

Intervention Type OTHER

Water was injected through the working channel instead of air to follow the intestinal cavity until reaching the caecum .

Interventions

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Air insufflation

Air is inflated into the bowel to help searching the cavity while advancing the colonoscope until reaching the cecum

Intervention Type OTHER

Water injection

Water was injected through the working channel instead of air to follow the intestinal cavity until reaching the caecum .

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Patients diagnostic colonoscopy;
* Subjets able to provide informed consent

Exclusion Criteria

* Prior partial or complete colectomy;
* Patients who decline to participate;
* Patients with poor bowel preparation;
* Contraindications of the colonoscopy

Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No