Comparing Maximal and Half-maximal Suction Pressure Applied During Water Exchange in Colonoscopy

Dalin Tzu Chi General Hospital

Status: Unknown

Conditions: Minimally Sedated Patient Undergoing Colonoscopy

Treatments: Procedure: half-maximal pressure; Procedure: maximal pressure; Device: Suction Unit

Study type: Interventional

Funder types: Other

Identifiers

NCT01948284

DalinTzuChi-Hsieh-2013-2

Details and patient eligibility

About

This prospective, randomize, controlled trial will compared maximal to half-maximal suction pressure applied during water exchange in patients undergoing minimally sedated colonoscopy. We test the hypothesis that maximal suction pressure is more efficient and causes shorter insertion time.

Enrollment: 74 estimated patients

Sex: All

Ages: 20 to 80 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Patients undergoing minimally sedated colonoscopy performed by YHH

Exclusion criteria

• known history of obstructive lesions of the colon,
• allergy to meperidine,
• massive ascites,
• past history of partial colectomy, or
• refusal to provide written informed consent.

Trial design

Primary purpose: Diagnostic

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Quadruple Blind

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74 participants in 2 patient groups

maximal suction pressure

Active Comparator group

Description:

The pressure level of the suction unit (DF 601, Hanlien, Taipei, Taiwan) will be set at the maximal (-70 cm Hg).

Treatment:

Device: Suction Unit

Procedure: maximal pressure

half-maximal pressure

Active Comparator group

Description:

The pressure level of the suction unit will be set at the half-maximal (-35 cm Hg).

Treatment:

Procedure: half-maximal pressure

Device: Suction Unit