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ORI and ETCO₂ Relationship With Arterial Blood Gas During Apnea Test

NCT06983990 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 35

Last updated 2026-04-22

No results posted yet for this study

Summary

This observational study aims to evaluate the relationship between the Oxygen Reserve Index (ORI) and End-Tidal Carbon Dioxide (ETCO2) values with arterial blood gas parameters in patients undergoing the apnea test for the diagnosis of brain death. The study will examine the correlation between ORI and PaO2, as well as between ETCO2 and PaCO2. The primary objective is to assess the effectiveness of ORI in evaluating oxygenation and its applicability in the apnea test. The study will also evaluate the routine use of ORI in monitoring PaO2 and its potential benefits compared to traditional methods.

Conditions

  • Brain Death

Interventions

OTHER

No intervention (observational monitoring only)

No intervention is applied. This is an observational study evaluating the correlation between non-invasive monitoring parameters and arterial blood gas values during apnea testing.

Sponsors & Collaborators

  • Bursa Yuksek Ihtisas Training and Research Hospital

    lead OTHER_GOV

Principal Investigators

  • Nilay SERTDEMIR, MD · Health Sciences University Bursa Yüksek İhtisas Training and Research Hospital

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2023-07-01
Primary Completion
2025-06-01
Completion
2025-06-01

Countries

  • Turkey (Türkiye)

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06983990 on ClinicalTrials.gov