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Effect of different inhaled oxygen concentrations combined with individualized positive end-expiratory pressure ventilation on postoperative pulmonary complications in patients undergoing bariatric surgery

Effect of different inhaled oxygen concentrations combined with individualized positive end-expiratory pressure ventilation on postoperative pulmonary complications in patients undergoing bariatric surgery

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2400083337
Enrollment
Unknown
Registered
2024-04-22
Start date
2024-01-02
Completion date
Unknown
Last updated
2024-04-29

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

Conditions

lung injury

Interventions

Control group (L group):Routine ECG monitoring was performed after admission, and endotracheal intubation was performed after induction of routine anesthesia. Breathing parameters: VCV: VT=7 ml/Kg* id
Experimental group (H group):Routine ECG monitoring was performed after admission, and endotracheal intubation was performed after induction of routine anesthesia. Breathing parameters: VCV: VT=7 ml/K

Sponsors

The First Affiliated Hospital of Nanjing Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 70 Years

Inclusion criteria

Inclusion criteria: 1. Age 18-70 years; 2, ASA class I-III; 3, BMI = 30 kg/m2; 4. Patients or their legal guardians agreed to participate in this study

Exclusion criteria

Exclusion criteria: 1. Symptoms of pulmonary infection within the last 2 weeks; 2. Severe lung disease, such as chronic obstructive pulmonary disease, pleural effusion, asthma, pneumothorax, history of previous chest surgery such as lobectomy; 3. Severe cardiovascular disease and liver and kidney dysfunction; 4. Preoperative oxygen saturation = 90%; 5. Intraoperative inability to maintain oxygenation using ventilation strategies, persistent hypoxemia (SpO2 = 90% or PaO2 = 60 mmhg); 6. Unstable vital signs, including shock or severe arrhythmias; 7. Patients who are participating in other clinical trials; 8, those who are deemed unsuitable for clinical trials for other reasons by the investigators

Design outcomes

Primary

MeasureTime frame
Pulmonary complications;

Secondary

MeasureTime frame
blood gas;

Countries

China

Contacts

Public ContactZhou Xuelong

The First Affiliated Hospital of Nanjing Medical University

zhouxuelong@njmu.edu.cn+86 25 8371 4511

Outcome results

None listed

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