A clinical study of an improved water-gas combined single colonoscopy

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000037591

Enrollment

Unknown

Registered

2020-08-29

Start date

2020-10-01

Completion date

Unknown

Last updated

2020-11-02

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

Conditions

endoscopy examination

Interventions

intervention group:Water combines with carbon dioxide

intervention group:Water'

intervention group:carbon dioxide

control group:air

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: A total of 320 patients who underwent colonoscopy were admitted to our hospital for diagnosis of occult fecal blood positive, hematochezia of unknown cause, abdominal pain of unknown cause, change of bowel habits, change of fecal characteristics, physical examination and other reasons. The age of the patients was 18-70 years old, gender and hospitalization were not limited

Exclusion criteria

Exclusion criteria: (1) painless colonoscopy; (2) Suspected ileus or active bleeding; (3) Colonoscopy patients; (4) Communication barriers and inability to self-evaluate; (5) Those who refuse to sign the informed consent; (6) Severe cardiopulmonary diseases; (7) Patients with previous colorectal resection.

Design outcomes

Primary

Measure	Time frame
Abdominal pain index score;	—

Countries

China

Contacts

Public ContactWei Luo

Beijing Luhe Hospital affiliated to Capital Medical University

568265144@qq.com+86 15210849848

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026