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Oxygen Reserve Index-Guided Oxygen Titration During Surgery in the Beach Chair Position

Study acronym: ORI-BCP
StatusNot Yet Recruiting
PhaseNot applicable
Started
View on ClinicalTrials.gov ↗
Record status
This record was last updated February 11, 2026 (before its estimated June 30, 2026 completion). Its status may not reflect the trial's current state.

Record History

  1. Study First Submitted
This study aims to evaluate whether guidance by the Oxygen Reserve Index (ORi) improves inspiratory oxygen fraction (FiO₂) titration compared with conventional pulse oximetry (SpO₂)-guided oxygen administration in adult patients undergoing surgery in the beach chair position. Oxygen therapy is routinely used during general anesthesia to prevent hypoxemia; however, excessive oxygen administration may result in hyperoxia, which has been associated with adverse cardiovascular and pulmonary effects. Standard pulse oximetry may not adequately detect hyperoxia when oxygen saturation values are high. In this prospective comparative study, patients will receive oxygen titration guided either by SpO₂ alone or by combined ORi and SpO₂ monitoring. The primary outcome is the incidence of intraoperative hyperoxemia, assessed by arterial blood gas analysis. Secondary outcomes include intraoperative oxygenation parameters and hemodynamic variables.
Trial Details
NCT Number NCT07404267
Lead Sponsor Fatih Sultan Mehmet Training and Research Hospital
Conditions
(from sponsor)		 Hyperoxemia, Intraoperative Oxygen Therapy, Beach Chair Position, Cerebral Oxygenation
Related terms Hyperoxia
Enrollment 80 participants
Start Date
Primary Completion (estimated)
Study Completion (estimated)
Updated on ClinicalTrials.gov