Deep breathing test to guide fluid before surgery in older adults
Part of Heart & circulation clinical trials.
This trial uses a simple breathing test to see how the internal jugular vein (a large vein in the neck) changes with deep breaths. The goal is to guide how much fluid to give before surgery, which may help older patients stay stable during the operation.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are 60 years old or older.
- Your surgery will require a blood pressure monitor in the wrist (radial artery puncture).
- You will be given propofol to start anesthesia.
- Your body mass index (BMI) is under 30.
- You do not have a history of low blood pressure or poorly controlled high blood pressure.
- You have no heart pump weakness (ejection fraction above 50%), no arm blood clots, and no neck surgery or radiation history.
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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