Clinical Trial

Effect of Preoxygenation Position and Examination Position on Hypoxemia During Painless Gastrointestinal Endoscopy

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Record status
This record was last updated June 29, 2026 (before its estimated July 31, 2026 completion). Its status may not reflect the trial's current state.
Summary
To investigate the independent effects and interaction of pre-oxygenation position (left lateral vs left lateral with 30° head-up tilt) and examination position (left lateral vs left lateral with 30° head-up tilt) on hypoxemia during painless gastroscopy and colonoscopy using a 2×2 factorial design.
Trial Details
NCT Number NCT07673042
Lead Sponsor General Hospital of Ningxia Medical University
Conditions Hypoxemia During Surgery
Enrollment 208 participants
Start Date 2026-06-23
Primary Completion 2026-07-31 (estimated)
Study Completion 2026-08-31 (estimated)
Updated on ClinicalTrials.gov 2026-06-29