Comparing Cap-assisted Water Exchange and Water Exchange in Colonoscopy

Dalin Tzu Chi General Hospital

Status: Completed

Conditions: Cap-assisted Colonoscopy; Colonoscopy; Intubation Time

Treatments: Device: cap-assisted water exchange; Procedure: water exchange

Study type: Interventional

Funder types: Other

Identifiers

NCT02759081

Hsieh-2016-01

Details and patient eligibility

About

This prospective, randomize, controlled trial will compared cap-assisted water exchange with water exchange in patients undergoing sedated colonoscopy. Investigators test the hypothesis that that cap-assisted water exchange is more efficient and causes a shorter insertion time.

Enrollment: 120 patients

Sex: All

Ages: 18 to 80 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Patients undergoing fully sedated colonoscopy performed by the investigators

Exclusion criteria

• obstructive lesions of the colon
• massive ascites
• history of partial colectomy
• provide written informed consent

Trial design

Primary purpose: Diagnostic

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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120 participants in 2 patient groups

water exchange

Active Comparator group

Description:

The air was turned off at the beginning of colonoscopy. Water was infused and suctioned at the same time during insertion. The air was turned on when the colonoscope reached the cecum.

Treatment:

Procedure: water exchange

cap-assisted water exchange

Experimental group

Description:

Cap was mounted to the tip of the colonoscope when water exchange was performed.

Treatment:

Device: cap-assisted water exchange

Procedure: water exchange