We want to measure the amount of a hormone called renin in people's bodies before and after they have major abdominal surgery. We want to see if changes in renin levels are connected to problems with blood flow, unstable blood pressure, and kidney damage after surgery.
Age range
18 Years
Sex
ALL
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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.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
• The difference between pre and post-operative levels of circulating renin, and association with vasoplegia.
Timeframe: 2 years