Individualized PEEP for improving lung function in obese patients after bariatric surgery

Effect of Individualized High Positive End-expiratory Pressure on Postoperative Pulmonary Rate in Laparoscopic Bariatric Surgeries

Not applicable Interventional Ain Shams University · NCT06168162

This study tests whether using a personalized breathing support technique can help obese patients breathe better and avoid lung problems after weight loss surgery.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment50 (estimated)
Ages16 Years and up
SexAll
SponsorAin Shams University Academic / other
Locations1 site (Cairo, Cairo Governorate)
Trial IDNCT06168162 on ClinicalTrials.gov

What this trial studies

This study investigates the effects of individualized high positive end-expiratory pressure (PEEP) on postoperative pulmonary complications in obese patients undergoing laparoscopic bariatric surgery. It aims to compare the outcomes of patients receiving optimized PEEP tailored to their lung mechanics against those receiving standard PEEP. The study focuses on enhancing oxygenation and lung function during and after surgery to reduce the risk of complications. Participants will be monitored for postoperative pulmonary complications to assess the effectiveness of the intervention.

Who should consider this trial

Good fit: Ideal candidates are obese patients aged 18 to 60 with a BMI over 40 scheduled for elective laparoscopic bariatric surgery.

Not a fit: Patients with previous lung surgery, severe lung disease, or those requiring postoperative mechanical ventilation may not benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly reduce the incidence of postoperative pulmonary complications in obese patients undergoing bariatric surgery.

How similar studies have performed: Previous studies have shown that protective lung ventilation strategies can improve outcomes in similar patient populations, indicating potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients were eligible for participation if the met the following criteria

  * Age between 18 and 60 years old.
  * Body mass index \> 40
  * Laparoscopic bariatric elective surgery under general anesthesia.
  * ARISCAT (Assess Respiratory Risk in Surgical Patients in Catalonia) score ≥ 45 . ARISCAT score is a clinically practical seven-factor scoring system to assess the risk of a composite PPC.

Exclusion Criteria:

* Previous lung surgery
* ASA status III or IV.
* Moderate to severe obstructive or restrictive lung disease .
* Persistant intraoperative hemodynamic instability .
* Need for postoperative mechanical ventilation

Where this trial is running

Cairo, Cairo Governorate

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 Mechanical Ventilation Pressure HighBariatric Surgery Candidateventilation
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.