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Comparing Blood Test Based and Monitor-Based Oxygenation Measurements in Patients Receiving Mechanical Ventilation

Correlation Between Invasive and Non-Invasive Oxygenation Indices in Mechanically Ventilated Adult Patients - NIL

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2025/12/099669
Enrollment
52
Registered
2025-12-22
Start date
Unknown
Completion date
Unknown
Last updated
2026-01-12

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

Conditions

Health Condition 1: -

Interventions

Intervention1: Nil: Nil Intervention2: Nil: Nil Control Intervention1: Nil: Nil

Sponsors

K S Hegde Medical Academy
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Adults of more than 18 years of age admitted to ICU Invasive mechanical ventilation for more than or equal to 24 hours. Patients with RASS score of -2 to 0

Exclusion criteria

Exclusion criteria: Patients with incomplete ABG or ventilator data. Patients with type 2 respiratory failure. Severe hypoxemic patients FiO2 requirement more than 0.6 and PEEP more than 10. Hypothermia less than 95 degree Fahrenheit Unreliable pulse oximeter waveforms SpO2 less than 80 percent Patients in severe shock with cold clammy peripheries on triple vasopressors. Patients with peripheral vascular disease Patients with severe COPD.

Design outcomes

Primary

MeasureTime frame
To assess the Correlation between Oxygenation Index OI, Oxygen Saturation Index OSI, SF ratio and PF ratio in mechanically ventilated patients in ICUTimepoint:—

Secondary

MeasureTime frame
To compare the diagnostic accuracy of OI, OSI, SF and PF ratios in identifying hypoxemia and prognostic significance of these indicesTimepoint:—

Countries

India

Contacts

Public ContactPavan Kumar N

K S Hegde Medical Academy

drpavankumarn26@gmail.com8660472573

Outcome results

None listed

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