Using driving pressure to guide ventilation in obese children during surgery

Driving Pressure-guided Positive End-expiratory Pressure to Prevent Postoperative Atelectasis in Obese Children: a Prospective, Randomized Controlled Clinical Trial

Not applicable Interventional Henan Provincial People's Hospital · NCT06471491

This study is testing if adjusting breathing support based on lung pressure can help prevent lung problems in obese children during and after surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment40 (estimated)
Ages3 Years to 18 Years
SexAll
SponsorHenan Provincial People's Hospital Academic / other
Locations1 site (Zhengzhou, Henan)
Trial IDNCT06471491 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effectiveness of driving pressure-guided positive end-expiratory pressure (PEEP) in preventing postoperative atelectasis in obese children undergoing elective surgery. The study compares two groups: one receiving individualized PEEP adjustments based on driving pressure and another receiving a fixed PEEP. The aim is to determine if the tailored approach can reduce the incidence of lung complications post-surgery. Lung ultrasound will be utilized to assess the outcomes between the two ventilation strategies.

Who should consider this trial

Good fit: Ideal candidates are obese children aged 3-18 years who are undergoing elective surgery with general anesthesia.

Not a fit: Patients with severe pulmonary dysfunction or those who do not meet the inclusion criteria may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly reduce the risk of postoperative lung complications in obese children.

How similar studies have performed: While there is limited research specifically on obese children, similar lung protective ventilation strategies have shown promise in adult populations.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age 3-18 years old;
* According to the People's Republic of China health industry standard "Overweight and Obesity Screening threshold for school-age children and adolescents WS_T586-2018" defined as obesity;
* American Society of Anesthesiologists (ASA) grades I - II;
* Children with healthy lungs and hearts;
* Patients with general anesthesia under tracheal intubation;
* Clear mind and able to cooperate with the anesthesiologist to receive treatment;
* Patients who plan to have elective surgery under general anesthesia and the estimated operation duration is ≥2 hours.

Exclusion Criteria:

* PEEP contraindications: (a) bronchopleural fistula; (b) hypovolemic shock; (c) right ventricular failure;
* American Society of Anesthesiologists (ASA) grade greater than II;
* Pulmonary dysfunction, congenital heart disease children;
* Refusal to participate in the study and/or use personal data, preoperative intubation or ventilation of children;
* Children with upper respiratory tract infection within 2 weeks.

Where this trial is running

Zhengzhou, Henan

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Driving PressurePositive End-expiratory PressurePostoperative AtelectasisObese
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.