Effect of different concentration of oxygen given introperatively on postoperative gas exchange

Effect of different fraction of inspired oxygen given intraoperatively on postoperative gas exchange: An Observational study

Status

Active, not recruiting

Phases

Phase 2

Study type

Observational

Source

CTRI

Registry ID

CTRI/2020/12/029550

Enrollment

1000

Registered

2020-12-03

Start date

Unknown

Completion date

Unknown

Last updated

2021-11-24

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

Conditions

Health Condition 1: 4- Measurement and Monitoring

Interventions

Intervention1: NIL: NIL Control Intervention1: NIL: NIL

Eligibility

Inclusion criteria

Inclusion criteria: Patients belonging to American Society of Anesthesiologists (ASA) physical status grade I and II, 18-65 years of age scheduled for elective surgery under general anaesthesia will be enrolled

Exclusion criteria

Exclusion criteria: Patients posted for or having history of cardio-thoracic surgery, use of intraoperative nitrous oxide, requirement of postoperative mechanical ventilation, patients with cardiac/respiratory disorders, morbid obesity (BMI >40 kg/m2), active upper or lower airway infection, abnormal preoperative chest Xâ??ray findings will be excluded

Design outcomes

Primary

Measure	Time frame
To observe the effect of different fraction of inspired oxygen on postoperative PaO2/FIO2 ratioTimepoint: Preoperatively, Postextubation, Postoperatively 1 hour	—

Secondary

Measure	Time frame
To observe incidence of postoperative nausea and vomitingTimepoint: Till 24 hour postoperatively;To observe incidence of surgical site infectionTimepoint: Postoperative Day 5;To observe severity of atelectasis by lung ultrasoundTimepoint: Preoperatively, Postoperatively	—

Countries

India

Contacts

Public ContactKAMLESH KUMARI

AIIMS JODHPUR

kamlesh.gmch@gmail.com09780040150

Outcome results

None listed

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