A Comparison of Renal vs Limb NIRS for Predicting Cardiac Surgery Associated Acute Kidney Injury

Recruiting now

Conditions studied: NIRS, Cardiac Surgery Associated - Acute Kidney Injury, Cardiac Surgery Requiring Cardiopulmonary Bypass, AKI - Acute Kidney Injury

In brief

Acute kidney injury (AKI) is a complication of cardiac surgery that can affect outcome. Near Infrared Spectroscopy (NIRS) is a technology that uses light to determine how well oxygenated tissues are. This technology is routinely used in cardiac surgery to measure the oxygen level in the brain by placing a sensor sticker on the forehead. The purpose of the study is to determine whether NIRS sensor stickers placed on the skin over the kidney can predict AKI better than when sensors are placed on the skin over the participant's limbs. This study is being conducted by investigators from the department of anesthesiology at the University of Utah.

Key facts

Study ID

NCT06705855

Run by

University of Utah

People needed

100

Starts

2025-05-29

Expected to finish

2026-08-30

Last updated by the study team

2025-08-17

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• We will enroll a convenience sample of adult cardiac surgery patients undergoing procedures that require cardiopulmonary bypass (CPB) and who are at risk for AKI.

You may not qualify if…

• Exclusion criteria will include less than age 18 years old, preoperative end-stage kidney disease requiring dialysis, emergency surgery, or patient refusal.

Where it is running

• University of Utah — Salt Lake City, Utah, United States (enrolling)

Full record on ClinicalTrials.gov

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