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Effect of ventilation strategies on incidence of hypoxia during sedated gastrointestinal endoscopy in obese patients

Effect of different ventilation strategies on incidence of hypoxia during sedated gastrointestinal endoscopy in obese patients: Single-center randomized controlled study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600116667
Enrollment
Unknown
Registered
2026-01-13
Start date
2026-02-01
Completion date
Unknown
Last updated
2026-01-27

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

Conditions

None listed

Interventions

SHFO group:supraglottic high-flow oxygenation
HFNC group:high-flow nasal cannula oxygenation

Sponsors

The First Affiliated Hospital of Chongqing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age >= 18 years and =28 kg/m²).

Exclusion criteria

Exclusion criteria: 1. Coagulation disorders or tendency to nosebleeds; 2. Severe cardiopulmonary dysfunction; 3. Severe neurological diseases affecting respiratory function; 4. Pregnant or lactating women; 5. Pre-existing hypoxemia (SpO2 < 90%) before the examination; 6. Use of drugs that may affect respiratory function before the examination and continued; 7. Patients or their legal representatives refuse to participate in this study.

Design outcomes

Primary

MeasureTime frame
The incidence of hypoxemia;—

Secondary

MeasureTime frame
The incidence of severe hypoxia;the patient's satisfaction score;the operator's satisfaction score;adverse event;The incidence of respiratory depression;—

Countries

China

Contacts

Public ContactJun Dong

The First Affiliated Hospital of Chongqing Medical University

dongjun441@163.com+86 23 89011876

Outcome results

None listed

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