Checking heart function before removing support tubes in heart surgery
Part of Heart & circulation clinical trials.
This study compares two methods—visual checks and a special ultrasound of the heart—to see which better predicts how well the heart will pump after bypass machine support is removed during elective heart surgery.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are between 18 and 75 years old
- You are scheduled for non-emergency heart surgery that uses a heart-lung machine (such as bypass, valve repair, or aortic surgery)
- You are considered high-risk for surgery (ASA physical status III or IV)
- You are able to have a transesophageal echocardiogram (a tube with ultrasound placed in your throat to see your heart)
- You do not have severe pre-surgery heart weakness (ejection fraction below 30%)
- You do not have a significant irregular heartbeat (like atrial fibrillation), need a mechanical heart support device, or have conditions that prevent the throat ultrasound (like esophageal problems or bleeding risks)
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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