Status:

RECRUITING

Optimal PEEP Level for Minimizing the Risk of Postoperative Atelectasis: A Retrospective Cohort Study Based on Lung Ultrasound Monitoring

Lead Sponsor:

State Budgetary Healthcare Institution, National Medical Surgical Center N.A. N.I. Pirogov, Ministry of Health of Russia

Conditions:

Postoperative Pulmonary Complications (PPCs)

Postoperative Atelectasis

Eligibility:

All Genders

18+ years

Brief Summary

Background: After surgery with general anesthesia, it is common for parts of the lungs to collapse, a condition called atelectasis. This can lead to low blood oxygen levels and other lung complication...

Detailed Description

Background and Rationale Postoperative pulmonary complications (PPCs) are a significant cause of morbidity and mortality, associated with a nearly 20% increase in lethality and prolonged hospital stay...

Eligibility Criteria

Inclusion

  • Patients undergoing surgical intervention under general anesthesia with mechanical ventilation.
  • Airway protection managed with either an endotracheal tube or a laryngeal mask.
  • A normal baseline ultrasound of the posterior-basal lung regions, corresponding to a score of 0 on the lung ultrasound scale.

Exclusion

  • Patients undergoing cardiac or thoracic surgery.
  • Presence of a perioperatively identified pneumothorax.
  • Inability to obtain adequate ultrasound visualization of the target lung zones.
  • Presence of hydrothorax.
  • Confirmed perioperative pulmonary aspiration.
  • Presence of any pathological findings on the initial baseline ultrasound of the posterior-basal lung regions.
  • Requirement for massive blood transfusion during the operation.
  • Patients undergoing surgery on the diaphragm.
  • Prolonged residual sedation lasting more than 2 hours post-operation

Key Trial Info

Start Date :

September 22 2025

Trial Type :

OBSERVATIONAL

Allocation :

ESTIMATED

End Date :

January 31 2026

Estimated Enrollment :

450 Patients enrolled

Trial Details

Trial ID

NCT07211074

Start Date

September 22 2025

End Date

January 31 2026

Last Update

October 7 2025

Active Locations (1)

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1

Pirogov National Medical and Surgical Cente

Moscow, Russia, 105203