Blood test study for heart surgery patients

This study uses special blood testing to learn what is happening in the immune system during sepsis in children and how it may relate to organ injury. Your results may help doctors recognize and treat sepsis earlier and more accurately.

This study looks at how to predict and diagnose stomach and bowel problems in people having heart surgery. It may help doctors identify who is at higher risk and catch issues early.

This study checks blood and other lab “biomarkers” during the time before and after major surgeries to see if they can help guide perioperative care. You might be eligible if you are having certain planned heart, lung, GI, or blood-vessel surgeries and can give informed consent.

This trial studies patterns in immune cells (neutrophils) in very young children who undergo heart surgery using a heart-lung machine. The goal is to better understand and potentially reduce lung injury after surgery.

This study measures how active white blood cells and inflammation are during complex heart surgery using a heart-lung machine. It may help doctors better understand what triggers inflammation during surgery and how to improve care.

This study follows people after major surgery to see what predicts heart and blood vessel problems later. It does not test a new drug; it mainly collects health information to help clinicians reduce risk.