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Effect of Body Mass Index-Titrated Positive End-Expiratory Pressure Under PCV-VG Mode on Oxygenation, Respiratory Mechanics, and Pulmonary Complications in Thoracic Surgery Patients

Effect of Body Mass Index-Titrated Positive End-Expiratory Pressure Under PCV-VG Mode on Oxygenation, Respiratory Mechanics, and Pulmonary Complications in Thoracic Surgery Patients

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600121324
Enrollment
Unknown
Registered
2026-03-30
Start date
2026-03-31
Completion date
Unknown
Last updated
2026-04-14

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

Conditions

Lung cancer

Interventions

Group A (PEEP= 5 cmH2O):PEEP was set at 5 cmH2O in VCV mode
Group B(PEEP= BMI/3 cmH2O):PEEP was set at BMI/3 cmH2O in VCV mode
Group C(PEEP= BMI/3 cmH2O,PCV-VG):PEEP was set at BMI/3 cmH2O in PCV-VG mode

Sponsors

Jiangsu Cancer Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 64 Years

Inclusion criteria

Inclusion criteria: 1. Patients scheduled for thoracoscopic segmental/lobectomy under elective general anesthesia 2. ASA classification I–III 3. Age 18–64 years 4. BMI 18.5–28 kg/m^2 5. Voluntary participation, with informed consent signed

Exclusion criteria

Exclusion criteria: 1.History of prior pulmonary surgery 2.Acute respiratory tract infection within 2 weeks prior to surgery 3.Severe pre-existing pulmonary diseases, such as pulmonary infection, chronic obstructive pulmonary disease (COPD), bronchiectasis, asthma, etc. 4.Contraindications to the application of positive end-expiratory pressure (PEEP), including elevated intracranial pressure, bronchopleural fistula, hypovolemic shock, right heart failure, etc. 5.Severe cardiac dysfunction before surgery (New York Heart Association [NYHA] class = III) 6.Preoperative hepatic or renal insufficiency 7.Pregnancy

Design outcomes

Primary

MeasureTime frame
Driving pressure;

Secondary

MeasureTime frame
ABP,HR ,SpO2,PetCO2,PaO2,Ppeak,Plat;Dynamic lung compliance;Incidence of postoperative pulmonary complications;Frequency of hypotensive events;Intraoperative fluid infusion volume and vasoactive agent dosage;

Countries

China

Contacts

Public ContactQingming Bian

Jiangsu Cancer Hospital

bqm2518@njmu.edu.cn+86 25 8328 4765

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Apr 17, 2026