Validation and Feasibility of Noninvasive Oxygen Delivery Index Monitoring in Cardiac Surgery Patients

Starting soon

Conditions studied: Cardiac Surgery

In brief

This study will establish the feasibility and preliminary validity of real-time oxygen delivery index (DO₂i) monitoring using noninvasive hemoglobin (SpHb, Masimo) and minimally invasive cardiac output (FloTrac, Edwards) in cardiac surgery patients.

Key facts

Study ID

NCT07573306

Run by

University of Minnesota

People needed

150

Starts

2026-08-15

Expected to finish

2027-08-01

Last updated by the study team

2026-07-09

Who can join

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

You may qualify if…

• Adults ≥ 18 years undergoing cardiac surgery
• Placement of pulmonary artery catheter with continuous cardiac output (CCO) as part of routine clinical care
• Placement of arterial line with FloTrac as part of routine clinical care
• Availability of ≥ 3 arterial blood gas samples at specified timepoints

You may not qualify if…

• Mechanical circulatory support planned or in use (IABP, Impella, ECMO)
• Patients without BOTH pulmonary artery catheter with CCO and arterial line with FloTrac
• Patients who are Research Opt-Out

Where it is running

• University of Minnesota — Minneapolis, Minnesota, United States

Full record on ClinicalTrials.gov

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