A prospective evaluation of usefulness of combination of water immersion and carbon dioxide insufflation for relieving abdominal discomfort caused by colonoscopy.

A prospective evaluation of usefulness of combination of water immersion and carbon dioxide insufflation for relieving abdominal discomfort caused by colonoscopy. - A prospective evaluation of usefulness of combination of water immersion and carbon dioxide insufflation for relieving abdominal discomfort caused by colonoscopy.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000009103

Enrollment

1000

Registered

2012-10-15

Start date

2012-08-13

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

surveillance colonoscopy

Interventions

Only insufflation with air Combination of water immersion and insufflation with carbon dioxide Only insufflation with carbon dioxide Combination of water immersion and insufflation with air

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The patients without abdominal synptoms who will have surveillance colonoscopy.

Exclusion criteria

Exclusion criteria: The patients who do upper gastrointestinal endoscopy on the same day. The patients after abdominal operations, except for appendectomy and laparoscopic cholecystectomy. The patients with inflammatory bowel disease, advanced cancer and multiple colon diverticula. The patients with gastrointestinal bleeding. The patient with inadequate bowel preparation.

Design outcomes

Primary

Measure	Time frame
Severity of abdominal discomfort on a scale of 0 to 3 at the time of cecal intubation,just after colonoscopy, 30 and 60 minutes after colonoscopy.	—

Countries

Japan

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026