Comparing two breathing machine settings during heart bypass surgery
Part of Heart & circulation, Lungs & breathing clinical trials.
This study compares two ways of managing the breathing machine during coronary bypass surgery — one that controls pressure and one that controls airflow — to see which better protects your lungs and diaphragm. If you are having this surgery, the results may help improve your recovery.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are 18 years or older.
- You are scheduled for a planned (non-emergency) coronary artery bypass surgery, without any other heart procedures like valve repair.
- You are in otherwise stable health (classified as ASA II-IV by your anesthesiologist).
- You do not need a breathing machine (ventilator) to help you breathe before surgery.
- You do not have diaphragm paralysis, active lung infection, or severe COPD flare-up.
- Your body mass index (BMI) is under 40.
- You can have clear ultrasound images taken of your lungs and diaphragm (no fluid buildup or prior chest surgery that would block the view).
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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