Kidney-surface versus limb NIRS monitoring to predict acute kidney injury after cardiac surgery with bypass

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

Near-infrared spectroscopy (NIRS) uses light through the skin to estimate tissue oxygenation and is commonly applied to the brain during cardiac surgery. This observational study will place NIRS sensors on the skin above the kidneys and on the limbs of adult patients undergoing cardiac surgery with cardiopulmonary bypass and record perioperative readings. Investigators will compare how well renal-site versus limb-site NIRS signals predict postoperative acute kidney injury using standard clinical AKI criteria. The aim is to determine whether renal-surface NIRS provides earlier or more accurate indication of patients at risk of AKI.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* 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.

Exclusion Criteria:

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

Where it's running

• University of Utah
  Salt Lake City, Utah, United States Recruiting

Study contacts

• Principal investigator: Natalie Silverton, MD — University of Utah
• Study coordinator: Natalie Silverton, MD
• Email: natalie.silverton@hsc.utah.edu
• Phone: 801-581-6393

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.