Breathing test before weight-loss surgery and oxygen after
Part of Lungs & breathing clinical trials.
This study looks at whether a simple breathing measurement taken before weight-loss surgery can help predict if you might have low oxygen levels after surgery. If you are already scheduled for this type of surgery, participating may help doctors improve care for future patients.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be between 18 and 65 years old.
- You must be scheduled for weight-loss surgery (either sleeve gastrectomy or gastric bypass).
- Your body mass index (BMI) must be 35 or higher.
- You must be in an acceptable health category for surgery (ASA I–III, meaning you are generally healthy or have mild to moderate health issues).
- You cannot be using oxygen or any breathing support before surgery, and your oxygen level in room air must be above 88%.
- You must be able to stay in the hospital for at least 12 hours after surgery for monitoring.
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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