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Clinical Trials in Turkey / NCT07119866
Starting soon Observational

The Role of Oxygen Reserve Index (ORi) in Apneic Ventilation

NCT07119866 · tracked via the Priya Life Science Turkey tracker
Sponsor
Ankara City Hospital Bilkent
Phase
Observational
Started
2025-08-07
Last updated
2025-08-13

Condition(s) studied

Oxygen Reserve IndexApneaVentilationBody Mass Index

Investigational drug(s) / intervention(s)

OXYGEN RESERVE INDEX

OXYGEN RESERVE INDEX: Noted for each patient.

Study summary

Background: The Oxygen Reserve Index (ORI) is a non-invasive parameter utilizing multi-wavelength pulse co-oximetry. ORI can provide early warnings of deteriorating oxygenation before changes are reflected in SpO₂ levels. This study aimed to investigate the feasibility of non-ventilated intubation in patients undergoing cholecystectomy as a means to achieve safe intubation without nasogastric tube placement, with reduced trauma and cost, and improved time efficiency.

Eligibility

Sex
ALL
Min age
18 Years
Max age
60 Years
Healthy volunteers
No
Inclusion Criteria: * 18-60 years * ASA 1-2 * Mallampati score \<2 * Scheduled for elective laparoscopic cholecystectomy under general anesthesia Exclusion Criteria: * \<18 and \>60 years * ASA 3-4 * Initial ORI value below 0.24

Primary outcome measure(s)

  • TIME FOR ORI TO FALL BELOW 0.24 — WITHIN 10 MINUTES BEFORE INTUBATION
    TIME THE PATIENT STARTED TO WEAR A MASKS.

Trial sites (1)

FacilityCityRegionStatus
Ankara Bilkent City Hospital Ankara çankaya

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Official registry record

This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.

View NCT07119866 on ClinicalTrials.gov ↗ ← All trials in Turkey