RecruitingNCT06705855

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

Sponsor

University of Utah

Enrollment

100 participants

Start Date

May 29, 2025

Study Type

OBSERVATIONAL

Conditions

Cardiac Surgery associated Acute kidney injury AKI - Acute Kidney Injury NIRS Cardiac Surgery Requiring Cardiopulmonary Bypass

Summary

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.

Eligibility

Min Age: 18 Years

Plain Language Summary

Simplified for easier understanding

This clinical trial is studying a medical device called NIRS sensor placement for people with aki - acute kidney injury, cardiac surgery requiring cardiopulmonary bypass, and other related conditions. The study is currently recruiting participants at 1 location. People eligible for this study include aged 18 Years and older.

This summary was AI-generated to explain the trial in plain language. It is not medical advice. Always discuss eligibility with your doctor before enrolling in a clinical trial.

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Interventions

DEVICENIRS sensor placement

After written informed consent, the patient will be brought to the operating room. Skin tone will be assessed using the Monk scale. Prior to induction of general anesthesia, the right kidney will be located by surface ultrasound, the distance between the renal capsule and the skin will be measured, and a NIRS sensor will be placed on the skin overlaying the kidney. If the patient has had a right nephrectomy, the left kidney will be used. Additional NIRS sensors will then be placed over the patient's ipsilateral biceps and vastus lateralis muscles. The distance from the skin to the muscle tissue will be measured and recorded using ultrasound. NIRS sensors will also be placed on the patient's forehead to measure cerebral oximetry as is current practice at our institution for all cardiac surgeries requiring cardiopulmonary bypass.

Locations(1)

University of Utah

Salt Lake City, Utah, United States

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