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Aim of the study is to find out the effect of different flow rates of oxygen provided through nasal prongs in addition to face mask on the quality of preoxygenation

Comparative evaluation of different oxygen flow rates through nasal cannula on the efficacy of preoxygenation

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2022/01/039710
Enrollment
54
Registered
2022-01-25
Start date
Unknown
Completion date
Unknown
Last updated
2022-10-17

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

Conditions

Health Condition 1: O- Medical and Surgical

Interventions

Intervention1: NC 0: Face mask and nasal prong with no oxygen flow Intervention2: NC 5: Face mask and nasal prong with oxygen at 5L/min Intervention3: NC 10: Face mask and nasal prong with oxygen at 1

Sponsors

Maulana Azad Medical College
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients scheduled for elective surgery under anaesthesia

Exclusion criteria

Exclusion criteria: Known lung disease Suspected coronary and cerebrovascular disease Previous exposure to bleomycin or amiodarone Pregnancy BMI >35 Pathological abdominal distention Factors affecting mask seal like beard, moustache, dentures or facial abnormalities

Design outcomes

Primary

MeasureTime frame
End tidal oxygen concentration after 3 mins of preoxygenation in well-sealed face mask and in a combination of both face mask and nasal cannula (at flow rates of 0L/min, 5L/min and 10L/minTimepoint: 3 minute—

Secondary

MeasureTime frame
End tidal oxygen concentration after 1 and 2 mins of preoxygenation in well-sealed face mask and in a combination of both face mask and nasal cannula (at flow rates of 0L/min, 5L/min and 10L/minTimepoint: 1 minute 2 minute—

Countries

India

Contacts

Public ContactKapil Chaudhary

Maulana Azad Medical College

kapsdr@yahoo.com9871262699

Outcome results

None listed

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