Lung Ultrasound Score and Postoperative Pulmonary Complications in Major Non-Thoracic Surgery (NCT07515001) | Clinical Trial Compass
Not Yet RecruitingNot Applicable
Lung Ultrasound Score and Postoperative Pulmonary Complications in Major Non-Thoracic Surgery
97 participantsStarted 2026-04
Plain-language summary
This prospective observational cohort study aims to evaluate the predictive value of perioperative lung ultrasound (LUS) score in determining early postoperative oxygen requirement and pulmonary complications in patients undergoing major non-thoracic surgery. Postoperative pulmonary complications remain a significant cause of morbidity and mortality in surgical patients. Lung ultrasound is a non-invasive, bedside imaging modality that allows real-time assessment of lung aeration and pathology. This study will investigate the association between perioperative LUS score and early postoperative respiratory outcomes, including oxygen requirement and pulmonary complications.
Who can participate
Age range
18 Years – 65 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* Aged 18 to 65 years
* Scheduled for elective major non-thoracic surgery
* Undergoing surgery under general anesthesia
* Expected surgical duration of 3 hours or longer
* ASA physical status I-III
* Willing to participate in the study
* Provides written informed consent
Exclusion Criteria:
* Patients undergoing thoracic or cardiac surgery
* Advanced chronic lung disease (e.g., severe COPD or pulmonary fibrosis)
* History of previous lung resection
* Preoperative pneumonia or active pulmonary infection
* Body mass index greater than or equal to 40 kg/m2
* Pregnancy
* Emergency surgery
* Planned postoperative mechanical ventilation or intensive care unit admission
* Refusal to participate in the study
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
What they're measuring
1
Early Postoperative Oxygen Requirement
Timeframe: Within the first 24 hours after surgery