Ultrasound-guided lung recruitment to prevent postoperative lung complications after total laparoscopic hysterectomy in people with obstructive sleep apnea

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Adults with obstructive sleep apnea who meet BMI and STOP-BANG criteria and are scheduled for elective total laparoscopic hysterectomy will receive one of three intraoperative lung recruitment strategies: sustained inflation, incremental PEEP, or ultrasound-guided recruitment. Investigators will compare postoperative pulmonary complications, including atelectasis, and will use end-expiratory lung volume (EELV) measurements to judge how effectively each maneuver re-expands the lung. The ultrasound-guided arm uses bedside lung ultrasound to guide recruitment delivery and to detect residual consolidation. The protocol focuses on short-term respiratory outcomes and the practicality of using EELV as an effectiveness metric.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* Age ≥ 18 years;
* Scheduled for elective total laparoscopic hysterectomy;
* American Society of Anesthesiologists (ASA) I to III;
* BMI \> 28 kg/m²;
* STOP-BANG score ≥ 3.

Exclusion Criteria:

* Abnormal findings on preoperative chest X-ray or CT, such as atelectasis, pneumothorax, thoracic deformity, pleural effusion, or neuromuscular diseases;
* Pre-existing severe pulmonary diseases;
* Severe cardiac arrhythmias or a history of cardiac surgery;
* Allergy to any medications used in the study.

Where it's running

• The First Affiliated Hospital of Xinxiang Medical College
  Xinxiang, Henan, China Recruiting

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.